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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 product will meet the needs of your specific
application. This is mostly because each supplier will define specifications using
alternate methods. This Selection Guide will help you compare the specifications
and features of the Fluke 8508A Reference multimeter with the near
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DC Voltage ±(ppm of setting + ppm of range), relative to calibration standards used. Calibration Interval 365 day, ±1°C of last TCAL Range 1281 HP3458/HFL 8508A 120.00000mV - 4 + 3 - 199.999999mV 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 - 19.9999999V 3 + 0.2 - 2.7 + 0.2 120.00000V - 5 + 0.3 - 199.999999V 6 + 0.1 - 4.0 + 0.2 1050.0000V 6 + 0.1 5 + 0.1 4.0 + 0.5
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DC Current ±(ppm of setting + ppm of range), relative to calibration 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 12.000000mA - 20 + 5 - 19.999999mA 25 + 2 - 8.0 + 2.0 120.00000mA - 35 + 5 - 199.99999mA 50 + 5 - 33 + 4.0 1.0500000A - 110 + 10 - 1.9999999A 150 + 10 -
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Resistance ±(ppm of setting + ppm of range), relative to calibration standards used. Calibration Interval 365 day, ±1°C of last TCAL 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 - 1.99999999 kOhm 6 + 0.3 - 7.0 + 0.25 12.000000 kOhm - 7.5 + 0.5 - 19.9999999 kOhm 6 + 0.3 - 7.0 + 0.25 120.00000 kOhm - 7.5 + 0.5 - 199.999999 kOhm 6 + 0.3 - 7.0
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AC Current ±(ppm of setting + ppm of range), relative to calibration standards used. 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 200 + 200 - - 10Hz - 10kHz - - 250 + 100 10kHz - 30kHz - - 600 + 100 30kHz - 100kHz - - 4000 + 100 1.2000000mA 10Hz - 20Hz - 4000 + 200 - 20Hz - 45Hz - 1500 + 2
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AC Voltage ±(ppm of setting + ppm of range), relative to calibration standards used. Calibration Interval 365 day, ±1°C of last TCAL Range Frequency 1281 HP3458/HFL 8508A 12.00000mV 1Hz - 40Hz - 300 + 300 - 40Hz - 1kHz - 200 + 110 - 1kHz - 20kHz - 300 + 110 - 20kHz - 50kHz - 1000 + 110 - 50kHz - 100kHz - 5000 + 110 - 100kHz - 300kHz - 40000 + 200 - 120.0000mV 1Hz - 40Hz - 70 + 40 - 40Hz - 1kHz - 70 + 20 - 1kHz - 20kHz - 140 + 20 - 20kHz - 50kHz - 300 + 20 - 50kHz - 100kHz - 800 + 20 - 100kHz -
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AC Voltage ±(ppm of setting + ppm of range), relative to calibration standards used. Calibration Interval 365 day, ±1°C of last TCAL 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 + 20 - 200 + 20 30kHz - 100kHz 500 + 100 - 500 + 100 100kHz - 300kHz 3000 + 1000 - 3000 + 1000 300kHz - 1MHz 10000 + 10000 - 10000 + 10000 120.0000V 1Hz -
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Fluke 8508A 3458/HFL 8508A vs 3458/HFL Functional & Versatility Comments Parameters 8508A maintains >10Gohm input impedance to 20Vdc. This compares with 12V on 120mV, 1.2V, 12V, 120V, Full Scale (dc & ac Voltage) 200mV, 2V, 20V, 200V, 1050Vrms 3458/HFL. The 8508A 1050Vrms 1050Vdc (ac = 700Vrms) measurement is often used to calibrate calibrators at 1000 Vrms output. 3458A/HFL has lower current ranges with a sensitivity of 1pA compared with 10pA on the 8508A – th
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8508A vs 3458/HFL Functional & Versatility Comments Parameters High Resistance Reduces errors when performing high Test Voltage or Full Scale Test Voltage or Full Scale resistance measurement (feature available Measurement (compliance stimulus = 200V stimulus @ 1.2GΩ = 5V voltage) 8508A - 20MΩ to 20GΩ range only) Current reversal reduces errors caused by Tru-Ohms or Offset thermal emfs as does switched current but Current Reversal Switched Current Compensated Resistance revers
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4-wire sense measurement support Selectable 2 and 4-wire ACV & DCV 4 wire input. Unavailable improved accuracy when calibrating measurement. calibrators with 4 wire sense output. IEEE control of GUARD terminal helps fully Remote switched GUARD IEEE controlled Manual Switch automate calibration without need for Terminal manual switching. High Speed - 150 readings/sec @ High Speed - 100,000 High read rates are useful for some ATE Read rate 5.5 digit resolution reading/sec @
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8508A vs 3458/HFL Comments Ease of Use Parameters Rear input switched remotely The 3458/HFL must be switched manually Yes No using IEEE 488 commands using a front panel button. Instrument simultaneously Requires further commands or key presses displays Frequency as well as Yes Selectable to determine frequency. the AC voltage & current. 8508A can accept and compare dc to dc, ac to ac, dc to ac, Resistance to Resistance & Temperature to Temperature. Auto-ranging Two channel Ra
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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 Resistance Thermometer 8508A-PRT Platinum Resistance Thermometer 8508A-LEAD Comprehensive Measurement Lead Kit Y8508 Rack Mount Kit Y8508S Rack Mount Kit Slides 8508A-7000K Calibration kit comprising 1GOhm Standard and connecting leads. 1883673 UKAS Accredited Cer
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