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3M 2573 manual

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Table of contents for the manual

  • Page 1

    3M ™ Dynatel ™ Cable/Pipe/Fault Locator 2550/2573 Series Operator’ s Manual 2550 Pipe/Cable Locator 2550-iD Pipe/Cable and Marker Locator 2573 Cable/Pipe/Fault Locator 2573-iD Cable/Pipe/Fault and Marker Locator June 2014 78-9000-0192-2 Rev C 3[...]

  • Page 2

    2 78-9000-0192-2 Rev C Contents 1. Safety Information ...........................................................................................................6 2. About This Manual ...........................................................................................................7 3. Quick Start ..........................................[...]

  • Page 3

    78-9000-0192-2 Rev C 3 12. Locating Buried Sheath Faults And Earth Return Faults ............................................40 A. T ransmitter Setup ..................................................................................................40 B. Pinpointing the Buried Fault ...................................................................[...]

  • Page 4

    4 78-9000-0192-2 Rev C Congratulations! Y ou have just purchased one of the finest, most advanced locating devices available today! The 3M ™ Dynatel ™ Pipe/Cable Locators 2550 Series and 3M ™ Dynatel ™ Cable/Pipe/ Fault Locators 2573 Series are designed with all of the functionality of previous Dynatel models plus the availability of 6 acti[...]

  • Page 5

    78-9000-0192-2 Rev C 5 1 . Safety Information Please read, understand and follow all safety information contained in these instructions prior to the use of the 3M ™ Dynatel ™ Pipe/Cable Locators 2500 Series. Retain these instructions for future reference. Intended Use The 3M Cable/Pipe/Fault 2550/2573 Series Locators are used to identify the pl[...]

  • Page 6

    6 78-9000-0192-2 Rev C ! W ARNING This WARNING applies to the use of the Direct Connect Cables and the T ransmitter . T o avoid potential shock, or electrically damaging the T ransmitter , when setting up the T ransmitter to locate using the Direct Connect method, follow these basic steps; • AL WA YS plug the Direct Connect Cable into the T ransm[...]

  • Page 7

    78-9000-0192-2 Rev C 7 3 . Quick Start A. T ransmitter Battery Installation Loosen the six screws on the battery compartment cover on the bottom of the transmitter . Remove the cover . Install six ‘C’ size alkaline cell batteries (LR14) into the compartment as indicated by the polarity symbols (+ and –). Replace the cover and tighten the scre[...]

  • Page 8

    8 78-9000-0192-2 Rev C B. Receiver Batter y Installation Remove cap from receiver handle. Install eight ‘AA ’ size alkaline batteries (LR6) into the battery holder as indicated by the polarity symbols (+ and –). Attach battery holder to the PP3 connector in the receiver handle, and slide holder into the handle. Replace the cap. 8 “AA ” (L[...]

  • Page 9

    78-9000-0192-2 Rev C 9 C. Cleaning Receiver and T ransmitter Units T o clean the receiver and transmitter units, wipe with a damp cloth. D. Service and Accessories Information regarding service, accessories, or replacement parts can be obtained by contacting 3M at 1-800-426-8688. This equipment does not require annual calibration or maintenance. E.[...]

  • Page 10

    10 78-9000-0192-2 Rev C F. T ransmitter 2573Keypad and Connector Definitions off + - o Trace on on Output Level Dynatel TM 2573 T- 1 T- 2 T-3 T- 4 T- 5 T- 6 T-7 [T -1] off: T urns unit off and performs battery test. [T -2] on: Ohm-meter/Fault Locate/T one: T urns the unit on and cycles through the following commands when pressed repeatedly . Ohm-me[...]

  • Page 11

    78-9000-0192-2 Rev C 11 G. Maximum T ransmitter Output An external 12V DC source is required for 12-W att Output (Max setting) using a 12-watt transmitter . Connecting the rechargeable battery (2200RB) to the External Jack [T -7] will provide this external source, or the cigarette lighter adapter cable (included with high-powered units) can be used[...]

  • Page 12

    12 78-9000-0192-2 Rev C I. Receiver 2550 Keypad and Display Definitions [10] [11] [12] [13] [1] [9] [8] [7] [6] [5] [SK] [2] [3] [4] 14 15 16 Access panel on bottom side of Receiver under rubber cover [1] On/Off (Power): T urns unit on and off. [2] TRACE (Locate) MODE: T oggles between Cable V iew locate mode and the four other locate modes (cycles[...]

  • Page 13

    78-9000-0192-2 Rev C 13 [15] Serial Port: RS232 port to connect the receiver to a PC via serial cable or USB-to- Serial Adapter cable. [16] Earphone Jack: Will fit standard 1/8 inch (3.175 mm) mini-jack mono earphone plug (not included). J. 2573 Receiver Keypad and Display Definitions [11] [12] [13] [14] [1] [10] [9] [8] [7] [6] [5] [SK] [2] [3] [4[...]

  • Page 14

    14 78-9000-0192-2 Rev C [12] Battery Icon: Indicates battery level. [13] Speaker V olume Control: Adjusts the volume of the receiver (off, low , medium, high, and xpnd). [14] Soft Key Commands: Definitions for each of the four soft key functions. [15] External Jack: Port to connect cables from external devices such as the earth contact frame (A-Fra[...]

  • Page 15

    78-9000-0192-2 Rev C 15 3. COM : Displays second level COM Port setting display to configure RS232 port communication with different devices – a. PC – Receiver will communicate to a computer b. NMEA – Port is configured to accept coordinates from GPS device c. GIS – Port is configured to send 3M ™ iD Marker information or path information[...]

  • Page 16

    16 78-9000-0192-2 Rev C e. Locate Modes – enable or disable locate modes f. Locate Frequencies – enable and disable receiver frequencies in locate mode g. Audio Configuration – Select audio response of unit in Directional Peak and T race V iew modes h. >>More - Advances to next menu display i. Depth Units – Choose unit of measure; in,[...]

  • Page 17

    78-9000-0192-2 Rev C 17 5 . Configuring The Receiver In the setup mode, the units of depth measurement, time, date, and date format can be set. The receiver can be configured to detect only certain frequencies and/or specific utility markers (3M ™ Dynatel ™ Receivers 2550-iD and 2573-iD only) and activate certain locating modes. User defined fr[...]

  • Page 18

    18 78-9000-0192-2 Rev C D. Enabling/Disabling Locating Fr equencies Menu/OK [5:T oggle to MAIN MENU] + >>More [SK:4] + [SK:5] + >>More [SK:d] + LocateFreq [SK:f] The user can select the frequencies that the receiver will detect. All the available frequencies are listed in four groups (Left to Right: Active, Power , Passive, and Au[...]

  • Page 19

    78-9000-0192-2 Rev C 19 F. Selecting External Jack Frequencies (T one Frequencies) Menu/OK [5:T oggle to MAIN MENU] + >>More [SK:4] + [SK:5] + >>More [SK:d] + >>More[SK:h] + T one/Freq [SK:k] A coupler can be plugged into the External Jack [15] ([14] on 2550 locator) of the receiver and used to identify 50 Hz or 60 Hz cables. ([...]

  • Page 20

    20 78-9000-0192-2 Rev C H. Filtering Po wer Frequenc y Interference (User Defined FrequenciesOnly) Menu/OK [5:T oggle to MAIN MENU] + >>More [SK:4] + [SK:5] + >>More [SK:d] + Locate Freq [SK:f] In order to filter out unwanted power influences while locating with user-defined frequencies, verify the correct frequency is selected for y[...]

  • Page 21

    78-9000-0192-2 Rev C 21 6 . Locating Buried Cables And Pipes A. T ransmitter Connections Perform a battery test. Use one of the following three methods to produce a trace signal on the target pipe or cable. 1. Direct Connect Method ! W ARNING This WARNING applies to the use of the Direct Connect Cables and the T ransmitter . T o avoid potential sho[...]

  • Page 22

    22 78-9000-0192-2 Rev C − If the continuity of the circuit is very good (the reading on the display is less than 3K Ω. and a solid tone from the transmitter is heard) all frequencies can be used to locate. Always use the lowest frequency available (for example, 577 Hz). Lower frequencies are less likely to ‘bleed over ’ to other cables in t[...]

  • Page 23

    78-9000-0192-2 Rev C 23 2. 3M™ Dyna-Coupler Method ! W ARNING This WARNING applies to the following 3M Dyna-Couplers; • 3" (75 mm) - P art number 3001 • 4.5" (114 mm) - P art number 4001 • 6" (150 mm) - P art number 1196 • All accessory kits containing any of the listed Dyna-Couplers - P art numbers 3019, 4519, 1196/C A pot[...]

  • Page 24

    24 78-9000-0192-2 Rev C 3. Induction Method If you cannot make a direct connection, or use the 3M ™ Dyna-Coupler clamp to apply a locating signal on the target, use the induction method. When nothing is plugged into the Output Jack [T -6] of the transmitter the unit will be placed into induction mode when it is turned on. This method uses the int[...]

  • Page 25

    78-9000-0192-2 Rev C 25 Note: If nothing is plugged into the Output Jack [T -6] of the transmitter , the transmitter will automatically turn on the internal antennae, and the last frequency used (8 kHz, 33 kHz, 82 kHz or 200 kHz) will broadcast in induction mode. The induction frequency can be changed by pressing the T race [T -3] (Frequency [T -3][...]

  • Page 26

    26 78-9000-0192-2 Rev C W alk in a grid pattern over the sweep area holding the receiver as shown in the following illustration. Stop when there is a response increase, locate the position of the maximum signal, follow the conductor path all the way out of the sweep area while putting location marks on the ground. Resume the sweep until another cab[...]

  • Page 27

    78-9000-0192-2 Rev C 27 E. T wo-person Active Induction Mode Sweeps In two-person active induction mode sweeps, one person holds the transmitter and the other holds the receiver while walking together in a sweep pattern detecting long conductors in the ground when crossed by transmitter and receiver positions and orientation, as shown below: T rans[...]

  • Page 28

    28 78-9000-0192-2 Rev C 7 . Receiver Locating T race Modes A. T race View (T -View) TRACE [2] T race V iew mode, or T -V iew , provides an intuitive mapping display showing the utility path utilizing a dynamic directional arrows and path indication line. This combination provides an excellent visual representation of the utility path and directiona[...]

  • Page 29

    78-9000-0192-2 Rev C 29 Display 3. As the receiver antenna crosses the tar get, the receiver volume increases to a maximum, the signal strength will be at its maximum and the directional arrow will become a straight line that is closely lined up with the target line on the display . See following examples; On T arget Path Display 4. A circle consis[...]

  • Page 30

    30 78-9000-0192-2 Rev C The Induction Peak mode of the receiver is a mode in which the upper antenna of the receiver is tuned to minimize distortion from the magnetic field of the transmitter . Left or Right of T arget Path Directly Over T arget Path D. Dir ectional Peak (Dir Pk) TRACE [2] + Mode [SK] + Dir Pk [SK T oggle] or Menu/OK [5] + Cable/Pi[...]

  • Page 31

    78-9000-0192-2 Rev C 31 E. Dir ectional Null (DirNull) TRACE [2] + Mode [SK] + DirNull [SK T oggle] or Menu/OK [5] + Cable/Pipe [SK] + Mode [SK] + DirNull [SK T oggle] In Directional Null mode, as the operator approaches the cable or pipe, the numerical Signal Str ength [9] ([8] for 2550 locator) will increase then fall sharply as the receiver cros[...]

  • Page 32

    32 78-9000-0192-2 Rev C F. Expanded Mode VOL [13] (press up arrow) When the third ring of the speaker icon is dotted or broken and ‘xpnd’ appears below the speaker icon as shown, the receiver is in “Expanded” mode. This mode is used for pinpointing a target cable or pipe. The area of response of the receiver narrows, allowing the locator to[...]

  • Page 33

    78-9000-0192-2 Rev C 33 • Optional step: Press Clear All [SK] to delete all stored depth information. − The operator may select a specific memory location to store the depth readings by pressing Mem Select [SK]. When the preferred location appears on the display , press Save [SK]. The display and memory location will populate with the current i[...]

  • Page 34

    34 78-9000-0192-2 Rev C • Press Cable/Pipe [SK] • Press Fr eq [SK] • Press Power [SK T oggle] until the desired frequency is displayed: (“Power” 60, 60L, 60H, or 120). • Press Menu/OK [5] to return to Locate mode. All U.S. receivers default to 60 Hz. T o set the receiver to detect 50 Hz signals refer to 5.D. Enabling/Disabling Locating [...]

  • Page 35

    78-9000-0192-2 Rev C 35 10. Locating in Directional P eak Mode The following are instructions for locating a buried pipe or cable using the direct connect method and the Directional Peak (Dir Pk) mode. Other methods of connection and tracing modes/features are explained in previous sections. Step 1. Insert the ground rod into the ground, perpendicu[...]

  • Page 36

    36 78-9000-0192-2 Rev C Step 12. Set the Frequency and Mode of the receiver . a. Press Freq [SK] b. Select the same frequency on the receiver that was selected on the transmitter by pressing Active [SK T oggle]. c. Press Menu/OK [5] to save the setting and return to Locate mode. d. Press Mode [SK T oggle] until Dir Pk is displayed. Step 13. Stand a[...]

  • Page 37

    78-9000-0192-2 Rev C 37 Step 18. Measure the Depth and Current occasionally to verify target path. Note: In order to measure the Depth and Relative Current accurately , the operator must pinpoint the target pipe or cable, and the receiver handle should be in-line with the target path. − While in Dir Pk mode, find the highest Signal Strength [9] ([...]

  • Page 38

    38 78-9000-0192-2 Rev C Step 8. W ith the receiver handle perpendicular to the conduit path, locate the ADP position by moving along the path until the strongest Signal Str ength [9] ([8] for 2550 locator) is found. Adjust Gain [3] up or down when the Bar Graph [1 1] ([10] for 2550 locator) remains either fully open or fully closed. Step 9. Refer t[...]

  • Page 39

    78-9000-0192-2 Rev C 39 12. Locating Buried Sheath Faults And Earth Return F aults (3M ™ Dynatel ™ Models 2573 and 2573-iD only) Note: Remove (disconnect) both the near-end and far-end grounding from the test section. A. T ransmitter Setup Note: Do not make any connections while the transmitter is on. Fault location will not work unless the nea[...]

  • Page 40

    40 78-9000-0192-2 Rev C B. Pinpointing the Buried Fault Step 1. Connect the 3M ™ Earth Contact Frame to the External Jack [15] ([14] for 2550) of the receiver using the Earth Contact Frame cable (4 ft. (1.2 m) cable). Step 2. Press On/Off [1] to power on the receiver . The receiver display screen will display "Fauly Calibrating" for abo[...]

  • Page 41

    78-9000-0192-2 Rev C 41 Step 8. When the bar graph fills toward the left (red-and-white-striped Fault Finding Dir ection Indicator [8] (See illustration above.)) side of the display , the fault has been passed and is now behind the operator . Move back, inserting the 3M ™ Earth Contact Frame every few inches, until the arrows alternate back to gr[...]

  • Page 42

    42 78-9000-0192-2 Rev C 13. Locating 3M ™ Electronic Markers and 3M ™  iD Markers (3M ™ Dynatel ™ Models 2550-iD and 2573-iD only) A. Enabling/Disabling Marker T ypes Menu/OK [5:T oggle to MAIN MENU] + >>More [SK:4] + [SK:5] + >>More [SK:d] + >>More [SK:h] + MarkerT ype [SK:j] The unit will default with all markers e[...]

  • Page 43

    78-9000-0192-2 Rev C 43 − The display will return to Special Peak (Spl Pk) Cable Locate / Alert On. − If the selected type of utility marker is detected, a second audio tone will emit from the unit and the marker bar graph will fill. Step 6. T o change the type of marker that the unit will detect in alert mode: − Press Menu/OK [5] + Marker [S[...]

  • Page 44

    44 78-9000-0192-2 Rev C D. Dual Mark er Locate Step 1. Press Menu/OK [5:T oggle to LOCA TE MENU display]. Step 2. Press Marker [SK]. Step 3. Press Markr1 [SK T oggle] to select desired Utility . Step 4. Press Markr2 [SK T oggle] to select desired utility . Note: Only the marker types enabled in the setup menu will be shown. See 13.A. Enabling/Disab[...]

  • Page 45

    78-9000-0192-2 Rev C 45 Step 3. T o save the depth reading, press Mem Select [SK]. − Five depth readings can be saved with the time, date, and its identification (serial) number . − Sa ve [SK] will place each entry in sequential order in memory (M1 - M5) until five readings have been stored. The receiver will overwrite saved entries in excess o[...]

  • Page 46

    46 78-9000-0192-2 Rev C Step 4. T o access the memory locations, press Mem Select [SK]. − Save [SK] will place each entry in sequential order in memory (M1–M5) until five readings have been stored. The receiver will overwrite saved entries in excess of five, beginning with M1. Step 5. Optional step: Press Clear All [SK] to delete all stored dep[...]

  • Page 47

    78-9000-0192-2 Rev C 47 Step 5. Select User/Edit . Step 6. Press Menu/OK [5]. Step 7. Move the boxed cursor by pressing the left/ right arrows [SK], or up/down arrow [SK], to move the cursor up or down. Step 8. Press Select [SK] to enter the alphanumeric character . Step 9. Entry will appear at the top of the display . Step 10. Press Menu/OK [5] wh[...]

  • Page 48

    48 78-9000-0192-2 Rev C Step 15. When modifying the Descriptions (right hand side of template information) there are four options for editing that are presented: a. UserEdit b. Delete Row c. Last 10 UserEdits d. Show All - lists common compressed terms Step 16. Populate as many fields as possible from the drop-down list of common (compressed) terms[...]

  • Page 49

    78-9000-0192-2 Rev C 49 B. Editing T emplates The operator can select an existing template and make changes to it in the same manner described in 14. A. Cr eating New T emplates . The following save screen will be displayed. Over W rite: Saves all modifications that have been made to the original template. Rename: Overwrites the old template with t[...]

  • Page 50

    50 78-9000-0192-2 Rev C 15. Writing 3M ™ iD Markers The W rite Mode enables the user to write information into 3M ™ iD markers. It is also possible to edit the information to be written into an iD Marker . Menu/OK [5:T oggle to MAIN MENU] + Write Mode [SK:1:1] Step 1. Select a template from the list on the display to be written into the marker [...]

  • Page 51

    78-9000-0192-2 Rev C 51 Step 5. V erify that all information is correct Step 6. Hold the locator directly over the top of the marker . The locator should be within the following maximum writing ranges for each of the different 3M ™ iD Marker formats; − Near Surface iD Marker = 6 in (15 cm) maximum − Ball iD Marker = 12 in (30 cm) maximum − [...]

  • Page 52

    52 78-9000-0192-2 Rev C Step 8. After writing to the 3M ™ iD Marker is completed, the following screen will be displayed. The following messages may appear in the writing process. − Message 1. If the overwrite option was set to "No" And there was data present on the target market then the following screen will be displayed; − Messag[...]

  • Page 53

    78-9000-0192-2 Rev C 53 Step 2. Press V iew/Edit [SK]. Four W rite Mode options will be displayed at the bottom of the screen. − [SK1] Overwrite: W ill overwrite any data existing on an unlocked marker if ‘Y es’ is selected and ‘No’ will prevent overwrite. − [SK2] X-T ype: Choose ‘Y es’ if writing to a Gen 2 marker and ‘No’ if w[...]

  • Page 54

    54 78-9000-0192-2 Rev C Step 5. Press Modify [SK]. The percentage displayed in the upper right portion of the display indicates the remaining memory available on the marker . Step 6. The operator may select User Edit in order to ‘type’ the modification, or Delete Row to remove the entire row from the template, or select Show All to display a li[...]

  • Page 55

    78-9000-0192-2 Rev C 55 16. Reading 3M ™ iD Markers The operator can retrieve the data from the iD marker by pressing Read [SK] on the Marker Locate display . The receiver tip should be lowered to the ground to reach maximum read depth. If more than one 3M ™ iD Marker of the same utility is detected, the receiver will read the first marker and [...]

  • Page 56

    56 78-9000-0192-2 Rev C B. Write Histor y [SK] Menu/OK [5:T oggle to MAIN MENU] + Data T emplate [SK:2] + Write History [SK:b] • Select the marker data to be viewed by pressing the up/down arrows [SK]. • Press W rite Details [SK] to view all data that was sent to the marker . • Press W rite History [SK] to return to the list of written data. [...]

  • Page 57

    78-9000-0192-2 Rev C 57 B. Sending 3M ™ iD Marker Data to GPS (Capture-T ransmit Mode / Mode 2) Menu/OK [5:T oggle to MAIN MENU] + [SK:3] + GIS Receivers that have marker locating capability (indicated by ‘iD’ in the model number) can be configured to send 3M ™ iD Marker data directly to some GPS devices. When an iD marker is located and re[...]

  • Page 58

    58 78-9000-0192-2 Rev C 1. Creating T race T emplates The easiest way to create a T race template is using the 3M ™ Dynatel ™ PC T ools Software. (Software available for no charge at www .3M.com/dynatel - 2550/2573/2250M/2273M/1420 Locator PC T ools xx.x.x (EXE xx.xMB). • Create a TRACE template. • Save and download the template to the rece[...]

  • Page 59

    78-9000-0192-2 Rev C 59 19. Additional Applications A. Aerial Faults (T oning) (3M ™ Dynatel ™ Models 2573 and 2573-iD only) T ransmitter Setup Step 1. Connect the transmitter (based on type of fault) as described in Connection Diagrams in the following section. Step 2. Press and hold off [T -1] to perform a battery test. Step 3. Press on: Ohm-[...]

  • Page 60

    60 78-9000-0192-2 Rev C Connection Diagrams Short: Figure #1: Red clip to T ip; Black clip to ring. Cross: Figure #2: Red clip to the crossed conductor of one pair; Black clip to the crossed conductor of the other pair . Ground: Figure #3: Red clip to the faulted conductor; Black clip to ground. Split: Figure #4: Red clip to T ip of Pair 1; Black c[...]

  • Page 61

    78-9000-0192-2 Rev C 61 Step 6. Press Output Level [T -5] for high or maximum output level. Step 7. The Indicator Flag will light in the Digital Display [T -4] above the Output Level icon when in high output power level and flash when in maximum output power level. Step 8. The Digital Display [T -4] will alternately flash between 577 and 200K. 2. R[...]

  • Page 62

    62 78-9000-0192-2 Rev C 21. 3M ™ Dynatel ™ PC T ool Kit and Locator Software Upgrades Locator software upgrades are periodically released and can be downloaded, free of charge, at www .3M.com/dynatel . Located under the Software Updates section, the software link is titled Dynatel ™ M-Series Locator PC T ools. T o download the software, click[...]

  • Page 63

    78-9000-0192-2 Rev C 63 23. Product Description And Optional Accessories A. Product Description 2550 2573 12-watt transmitter Direct Connect Cable Clip Size: For U.S. models only: C= Communication Clip only; U=Utility Clip only; For Export models only: U for 2550E or CU for 2573E=Communication and Utility Clips iD=Locates electronic markers, inc[...]

  • Page 64

    64 78-9000-0192-2 Rev C C. Optional 3M ™ Accessories for 3M Dynatel ™ Locators Item Part Number Direct Connect Cables, Small Clip, 1/4" (6.4mm), Communications version, 10' (3 m) cable length 2892 Direct Connect Cables, Large Clip, 5/8" (15.8 mm), Utility version, 10’ (3 m) cable length 2876 Direct Connect Cables, Small Clip, 1[...]

  • Page 65

    78-9000-0192-2 Rev C 65 24. Receiver Specifications Item Specification Modes T race View Directional Peak Directional Null Special Peak Induction Peak Frequenc y Response: Active 577 Hz 1 kHz 8 kHz 33 kHz 82 kHz 200 kHz Passive 31.5 kHz (CA TV) 15 – 30 kHz (LF) Power 50 Hz, 5th and 9th harmonic of 50 Hz 60 Hz, 5th and 9th harmonic of 60 Hz (100 [...]

  • Page 66

    66 78-9000-0192-2 Rev C Item Specification Read Range 3M ™ iD Markers Near -Surface Ball Marker Full-Range 3 ft (0.9 m) 5 ft (1.5 m) 8 ft (2.4 m) Detection Depth 3M Non-iD (P assive) Markers Near Surface Ball Marker Mid-Range Full-Range 2 ft (0.6 m) 5 ft (1.5 m) 6 ft (1.8 m) 8 ft (2.4 m)[...]

  • Page 67

    78-9000-0192-2 Rev C 67 25. 12-Watt T ransmitter Specifications Item Specification T race Mode 577 Hz 1 kHz 8 kHz 33 kHz 82 kHz 200 kHz Fault Mode (2573 models only) 10/20 Hz -Fault signal 577 Hz / 33kHz -T race signal Note: The fault locating limit is 2.0M Ω , although the transmitter's ohm- meter mode can display a fault resistance up [...]

  • Page 68

    68 78-9000-0192-2 Rev C 26. Environmental and Regulator y Specifications Item Specification Standard IP54 Regulatory FCC compliant, FCC P art 15 Operating T emperature -4°F to 122°F (-20°C to 50°C) Storage T emperature -4°F to 158° F (-20°C to 70°C) 27. Rechargeable Batter y Information U N2800 classicat ion as “Bat ter ies, wet, Non-[...]

  • Page 69

    78-9000-0192-2 Rev C 69[...]

  • Page 70

    Important Notice All statements, technical information and recommendations related to 3M Products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using the 3M Product, you must evaluate it and determine if it is suitable for your intended application. Because conditions of Product use are[...]