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Table of contents for the manual
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Page 1
Multimeter Selection Guide Fluke 8508A & Agilent 3458/HFL TECHNICAL INFORMATION When comparing two products features and specification using sales information it is often difficult to determine which pr oduct will meet the needs of your specific application. This is mostly because each supplier will define specifications using alternate methods[...]
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DC Volt age ±( ppm of se tt ing + ppm of r ange) , r el ati ve t o cal i brat i on sta nd ar ds use d . Cali brat i on I nt e rv al 365 day , ±1°C of l ast TC AL R ange 1281 H P3458/HF L 8508A 120. 00000m V - 4 + 3 - 199. 999999m V 6 + 0. 5 - 2. 7 + 0.5 1. 20000000V - 3 + 0. 3 - 1. 99999999V 3 + 0.2 - 2. 7 + 0. 2 12. 000000V - 3 + 0. 05 - 19. 99[...]
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DC C urrent ±(ppm of setting + ppm of range), relative to calib ration standards used. Calibration Interval 365 day , ±1°C of last TCAL Range 1281 HP3458/HFL 8508A 120.000nA - 30 + 400 - 1.200000µA - 20 + 40 - 12.000000µA - 20 + 10 - 120.00000µA - 20 + 8 - 199.99999µA 25 + 2 - 6.5 + 2.0 1.2000000mA - 20 + 5 - 1.9999999mA 25 + 2 - 6.5 + 2.0 1[...]
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Page 4
Resistance ±(ppm of setting + ppm of range), relative to calibration standa rds used. Calibration Interv al 365 day, ±1°C of las t TC AL Range 1281 HP3458/HFL 8508A 1.99999999 Ohm - - 10 + 2.0 12.00000 Ohm - 10 + 5 - 19.9999999 Ohm 12 + 1.0 - 7.0 + 0.7 120.00000 Ohm - 8 + 5 - 199.999999 Ohm 8 + 0.3 7.0 + 0.25 1.2000000 kOhm - 7 .5 + 0.5 - 1.9999[...]
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A C Current ±(ppm of setting + ppm o f range), rela tive to cal ibrati on standards use d. Calibration Interval 365 day, ±1°C of last TCAL Range Frequency 1281 HP3458/HFL 8508A 120.0000µA 10Hz - 20Hz - 4000 + 200 - 20Hz - 45Hz - 1500 + 200 - 45Hz - 100Hz - 600 + 200 - 100Hz - 5kHz - 600 + 200 - 199.9999µA 1Hz - 10Hz - - 250 + 100 10Hz - 5kHz 2[...]
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Page 6
A C Voltage ± (ppm of setting + ppm of range), relative to cali bration standards used. Cali bration Interval 365 day, ±1°C of last TCA L Range Frequ ency 1281 HP3458/HFL 8508A 12.00000 mV 1Hz - 40Hz - 300 + 300 - 40Hz - 1kHz - 200 + 110 - 1kHz - 20 kHz - 300 + 110 - 20kHz - 50k Hz - 1000 + 110 - 50kHz - 100 kHz - 5000 + 110 - 100kHz - 300kHz - [...]
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A C Voltage ± (ppm of setting + ppm of range), relative to cali bration standards used. Calibration Int erval 365 day, ±1°C of last T CAL Range Frequency 1281 HP3458/HFL 8508A 19.99999V 1Hz - 10Hz - - 100 + 60 10Hz - 40Hz - - 100 + 10 40Hz - 100Hz 80 + 10 - 80 + 10 100Hz - 2kHz 60 + 10 - 60 + 10 2kHz - 10kHz 80 + 10 - 80 + 10 10kHz - 30kHz 200 +[...]
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Page 8
Fluke 8508A 3458/HFL 8508A vs 3458/HFL Functional & Versatility Parameters Comments Full Scale (dc & ac Voltage) 200mV, 2V, 20V, 200V, 1050Vrms 120mV, 1.2V, 12V, 120V, 1050Vdc (ac = 700Vrms) 8508A maintains >10Gohm input impedance to 20Vdc. This compares with 12V on 3458/HFL. The 8508A 1050Vrms measurement is often used to calibrate cali[...]
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8508A vs 3458/HFL Functional & Versatility Parameters Comments High Resistance Measurement (compliance voltage) Test Voltage or Full Scale stimulus = 200V Test Voltage or Full Scale stimulus @ 1.2G Ω = 5V Reduces errors when performing high resistance measurement (feature available 8508A - 20M Ω to 20G Ω range only) Tru-Ohms or Offset Com[...]
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Page 10
ACV & DCV 4 wire input. Selectable 2 and 4-wire measurement. Unavailable 4-wire sense measurement support improved accuracy when calibrating calibrators with 4 wire sense output. Remote switched GUARD Terminal IEEE controlled Manual Switch IEEE control of GUARD terminal helps fully automate calibration without need for manual switching. Read ra[...]
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8508A vs 3458/HFL Ease of Use Parameters Comments Rear input switched remotely using IEEE 488 commands Yes No The 3458/HFL must be switched manually using a front panel button. Instrument simultaneously displays Frequency as well as the AC voltage & current. Yes Selectable Requires further commands or key presses to determine frequency. Two cha[...]
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Page 12
8508A Options and Accessories: Model Description 8508A 8.5 digit Reference Multimeter 8508A/01 8.5 digit Reference Multimeter with Rear Input Ratio measurement Accessories 8508A-SPRT Standard Platinum Resistanc e Thermometer 8508A-PRT Platinum Resistance Thermometer 8508A-LE AD Comprehensive Measuremen t Lead Kit Y8508 Rack Mount Kit Y8508S Rack Mo[...]
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Page 13
Notes:[...]