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Fluke 175 manual

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Table of contents for the manual

  • Page 1

    ® Models 175, 177, 179 True RMS Multimeters Users Manual May 2003 (English) © 2003 Fluke Corporation. All right s reserved. Printed in USA.[...]

  • Page 2

    Lifeti m e Limi ted Warr a n ty Ea c h Fl u k e 20, 70, 80, 17 0 and 18 0 S eri es DM M wil l b e f ree f rom de f e c ts in m a t eri al an d wor k ma n s hi p f or i t s li f e t ime. As u s ed h erein, “li f e- t ime ” is de f ined a s s e v e n y ears a ft e r Fl u k e dis c on t inues man u f ac t uri ng t h e produ c t, b u t t he warran [...]

  • Page 3

    i Table of Contents Titl e Page Con tacting Fluk e ............................................................................................................... .... 1 "Warn ing" and "C aution " State ments ..................................................................................... 1 Unsafe Vol tage .................[...]

  • Page 4

    ii Warning . Rea d be fore u sing the Mete r: To avoid possible electrical shock or personal injury, follow these guidelines: ⇒ Use the Meter only as spec ified in this ma nual or the pr otection p rovided by t he Meter might be im paired. ⇒ Do not use the Meter or test leads if they appear damaged , or if the Meter is not operating pr operly. [...]

  • Page 5

    1 Models 175, 177 & 179 True RMS Multimeters The Fluke Model 175 , Model 177 , and Model 179 are batter y - powered, t rue-RMS m u l t i me t ers (herea ft er " t he Me t er" ) wi t h a 6000- c ount, 3 3/4-di gi t di s play and a bar graph. Thi s manual applies t o al l t hree m odel s . All f igures s how the M odel 179. These meters[...]

  • Page 6

    Models 175, 177 & 179 Users M anual 2 Battery Saver ("Sleep Mode") The Meter enters the "Sleep m ode" and blanks t he di s play if t here is no func tion change or but t on press for 20 m inutes. To di s able the Sleep m ode, hol d down t he YELLOW button while t urni ng t he Meter on. The S l eep m ode i s always di s abled[...]

  • Page 7

    Displ ay 3 Display . 8 7 7 5 6 4 3 2 1 13 14 15 9 11 12 10 AIK02F.EPS No. Symbol Meaning 1 s Continuit y t est. 2 Diode test . 3 K Negative readi ngs . 4 Y Unsafe v ol t age. Voltage ≥ 30 V , or voltage ov erload ( OL ) 5 Displ ay HOLD is enabl ed. Display freezes pres ent reading. In MIN M AX AV G mode, MI N MAX AVG recordi ng i s interrupted. A[...]

  • Page 8

    Models 175, 177 & 179 Users M anual 4 MIN MAX AVG Recording M ode The MIN MA X A VG recording m ode c aptures the m i ni m um and maximum input values , and calc ulates a runni ng av erage of all readings. When a new hi gh or l ow i s detected, the Meter beeps . Note For DC funct i ons , accurac y is the s pecifi ed ac curacy of t he measuremen[...]

  • Page 9

    Manual Ranging and Autoranging 5 Manual Ranging and Autoranging The Meter has bot h Manual range and Autorange m odes . ⇒ In the Aut orange mode, the M et er s elects the range with t he best res ol ut i on. ⇒ In the Manual Range m ode, you override A ut orange and select the range yoursel f . When you turn the M eter on, it def aults t o A uto[...]

  • Page 10

    Models 175, 177 & 179 Users M anual 6 Making Basic Measurements The figures on t he f ollowing pages s how how to make bas ic measurement s. When connect i ng t he t est leads to the ci rc uit or devi c e, connect the comm on ( COM ) test l ead bef ore c onnecting t he live lead; when removing t he t est leads , remove the l i v e lead before r[...]

  • Page 11

    Making Basic Measurem ents 7 Testing for Continuit y RANGE HOLD MIN MA X RANGE HOLD MIN MA X AIK06F.EPS Measuring Temperature (Model 179 Only) RANGE HOLD MIN MAX 80BK1 Type K Thermocouple Probe Vent or Pipe RANGE AIK10F.EPS Warning: Do not connect 80BK1 to liv e c irc uit s . Testing Diodes + __ Forward Bias Single Beep + Reverse Bias Good Diode Go[...]

  • Page 12

    Models 175, 177 & 179 Users M anual 8 Measuring AC or DC Current Warning To avoid personal injury or damage to the Meter: • Never attempt to make an i n-ci rcuit current measure- ment when the open-circuit potential to earth is > 1000 V. • Check the Meter's fuses before testing. (See “ Testing the Fuses”.) • Use the proper ter[...]

  • Page 13

    Using the Bar Graph 9 Measuring Frequency Warning To avoid electrical shock, di sregard the bar graph for frequencies > 1 kHz. I f the frequency of the m easured signal is > 1 kHz, the bar graph is unspecified. The Meter meas ures the frequency of a signal . The trigger level i s 0 V, 0 A A C f or all ranges. + RANGE HOLD MIN MAX Hz RANGE HOL[...]

  • Page 14

    Models 175, 177 & 179 Users M anual 10 Cleaning Wipe the cas e with a damp c l ot h and m i l d det ergent. Do not us e abrasives or solvent s . Dirt or m oi s ture in the t erm i nal s can aff ec t readings. Testing the Fuses Warning To avoid electrical shock or injury, rem ove the test leads and any input signals before replacing the fuse. Te[...]

  • Page 15

    Specifications 11 Specifications Accuracy is s pec if ied f or 1 y r af t er c alibrat ion, at operat ing t emperatures of 18 ° C to 28 ° C, with relative humidity at 0 % t o 95 %. Ac c urac y specificat ions t ak e t he f orm of: ± ( [ % of Reading ] + [ Counts ] ) Maximum voltage between any termi nal and earth gr ound: 1000 V DC or AC RM S Su[...]

  • Page 16

    Models 175, 177 & 179 Users M anual 12 Accuracy ± ( [ % of Reading ] + [ Counts ] ) Function Range 1 Res ol ution Model 17 5 Model 177 Model 17 9 AC Volts 2,3 600.0 mV 6.000 V 60.00 V 600.0 V 1000 V 0.1 mV 0.001 V 0.01 V 0.1 V 1 V 1.0 % + 3 (45 Hz to 500 Hz) 2.0 % + 3 (500 Hz to 1 kHz) 1.0 % + 3 (45 Hz to 500 Hz) 2.0 % + 3 (500 Hz to 1 kHz) 1.[...]

  • Page 17

    Specifications 13 Accuracy ± ( [ % of Reading ] + [ Counts ] ) Function Range 1 Res ol ution Model 17 5 Model 177 Model 17 9 DC Amps 4 60.00 mA 400.0 mA 6.000 A 10.00 A 0.01 mA 0.1 mA 0.001 A 0.01 A 1.0 % + 3 1.0 % + 3 1.0 % + 3 Hz (AC- or DC- coupled, V or A 2, 3 input ) 99.99 Hz 999.9 Hz 9.999 kHz 99.99 kHz 0.01 Hz 0.1 Hz 0.001 kHz 0.01 kHz 0.1 [...]

  • Page 18

    Models 175, 177 & 179 Users M anual 14 Function Overload Protection 1 Input Im pe da nc e (Nominal) Common Mode Rejection Ratio (1 k Ω Unbalanced) Normal Mode Rejecti on Volts AC 1000 V RMS > 10 M Ω < 100 pF > 60 dB @ DC, 50 Hz or 60 Hz Volts DC 1000 V RMS > 10 M Ω <100 pF >120 dB @ DC, 50 Hz or 60 Hz > 60 dB @ 50 Hz [...]