Simpson 444-2 – Low Voltage Bench MilliOhmmeter

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SKU: Simpson-444-2
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Simpson 444-2 - Low Voltage Bench MilliOhmmeter Specs

RangeResolution
20mΩ      200mΩ      2Ω      20Ω1 μΩ      10 μΩ      100 μΩ      1mΩ
Accuracy±(0.05% of input ± 600 counts) DC mode ±(0.05% of input ± 15 counts) AC mode
AlarmResistance below set point activates audible beeper and display annunciator. Resistance above set point activates display annunciator.
Set point AdjustmentFront Panel Knob
Accuracy±(2% of input +150 counts)
Maximum Test Voltage100μV peak
Measurement Techniques(AC) Pulse of 40 Hertz Square Wave and DC Switchable Polarity
Display19,999 count LCD with 0.5" digits and "AC," "DC"
Conversion ratereading 2 per second
Test LeadsBNC to dual Kelvin clip (2 leads) RG-58
Operating Voltage120VAC ± 10%, 240VAC optional, 3VA typical
Operating Temperature Range0° to 50°C
Storage Temperature Range-40° to +60°C
Relative Humidity90% maximum up to 35°C, 70% maximum up to +505°C (non-condensing)
Temperature Coefficient0.1 times the applicable accuracy specification per °C (0° to 18°C and 28° to 50°C)
Battery Voltage EffectPlus or Minus (0.15% of input); Fully charged to "B" annuncia-tor displayed
Battery Life8 hours typical
Rated Circuit-To-Ground Voltage30V (RMS)
Dimensions2.7" x 8.4" x 9.0" (68 x 213 x 228 mm) nominal
WeightApproximately 3 Ibs.

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