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  • Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm
Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm
  • Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm
  • Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm Micro-Ohmmeter measures resistance from 50 micro-ohm to 20 ohms. It measures using an extremely small test voltage (100 microvolt maximum) and a four wire measurement technique. The resistance reading is indicated on a 4- 1/2 digit LCD display using one of two measuring modes: An automatic AC measurement mode or a manual DC measurement mode. By limiting the test voltage of the Model 444-2 to only 100 micro volts the instrument will not "punch through" contamination or corrosion. An audible tone can be used to indicate resistance values below any selected reading. The Model 444-2 has a universal power input range of 85Vac to 250Vac and incorporates a self-contained rechargeable Ni-Cad battery for field use 20,000 Count 4 1/2-Digit LCD 2 Measurement Methods: AC Pulse and DC Polarity Switching Punch-Through Prevention by 100 MicroV Max. Test Voltage User-Adjustable, Low-Resistance Alarm AC Test Mode Cancels Offset Voltages and Thermocouple Effects Includes Ni-Cad Battery for Field Use and Test Leads Extended Battery Life, 10 Hours Typical

Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm

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Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm
Simpson
Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm

MSRP:
Now: $2,219.55
Was:
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Brand
Simpson
SKU:
12681
UPC:

Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm

Simpson Electric 444-2 Offers

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Simpson 12681 (444-2) Ohmmeter, Micro, 4-Wire, 0.02ohm, 0.2ohm, 2ohm, 20ohm, 0.001 ohm, 5 mA, 0.05%, 68 mm

Simpson Electric 444-2 Offers

This micro-ohmmeter is user-adjustable and has a low resistance alarm.

Features

  • Measures from 50 micro-ohm to 20 ohms
  • 20,000 count 4-1/2 digit LCD display
  • 2 measurement methods: AC pulse or DC polarity switching for inductive loads
  • AC test mode cancels offset voltages and thermocouple effects
  • Punch-through prevention by 100 microVolts max test voltage
  • Universal AC line input voltage range of 85 to 250VAC
  • Battery-powered for field use with a typical battery life of 10 hours

Specifications:

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
Set Point Accuracy± (2% of input +150 counts)
Maximum Test Voltage100µV peak
Extended Battery LifeTypical 10 hours
Battery Mode Rated Circuit-To-Ground Voltage30V (RMS)
Display Settling Time<15 seconds
Dimensions2.7 x 8.4 x 9in (68 x 213 x 228mm) nominal
WeightApproximately 3lb (1.36kg)

What's included with the Simpson Electric 444-2

  • Simpson 444-2 Micro-Ohm Meter
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