Watt's Up DC Amp Meter, Amp hour meter, Watthour Meter Features & Specifications

Features

Measures DC Amps, Amp-hours, Watthours, Volts and Watts
Captures peak current, peak power, and minimum voltage (voltage sag) lasting a fraction of a second.
Easily reset accumulated readings using external pushbutton switch.
Rare combination of Voltmeter, DC Amp meter & Amp hour counting, Watthour and power analyzer features. Measures wide range of values not normally found on multimeters or low cost test equipment
Powered by the measured circuit or connect an auxiliary battery or DC power source to provided 3-pin socket
Reverse connection protection
Powerful, 8 MIPS micro-controller
Factory calibrated with constants stored in EEPROM. No pots to drift
Uses very low resistance (0.001 Ohm) shunt in negative (black wires) leads
Small size and lightweight
Full user's manual includes electrical tutorial
Rugged and dependable. Made in USA to ISO 9001 (like Hewlett Packard uses) quality standards
One year warranty

WU100, Measurement Specifications

Parameter	Range	Resolution	Accuracy (worst-case over temperature range)
Voltage	0-60 Volts*	0.01 V	± (1% + 0.035)
Current	0-100 Amps **	0.01 A	± (2% + 0.06)
Power	0-6554 Watts	0.1 W
Charge	0-65 Amp hours	0.001 Ah
Energy	0-6554 Watthours	0.1 Wh

* Using auxiliary power/battery input. Minimum is ~4.0 V without it.
** 50 Amps continuous, 3-wire connection. Derate for wire temperatures next to case above 70 Deg C.

LCD digital display with two rows of 16 characters. High contrast and readable in sunlight
1% voltage accuracy. 1% typical current accuracy. High resolution and repeatability measurements. Uses DSP to increase resolution and nose immunity
3.8" long, 14 gage, stranded, high flex, high temperature silicone rubber insulated wires. Supplied without connectors
Dimensions: 2.8" L x 1.7" W x 0.83" D (70 mm x 44 mm x 21 mm), 2.3 oz., 1.7 oz. without case.
Auxiliary power connector (available from our website)

works with 4.0 to 60 Volt DC input that can supply at least 7 mA.
has Reset signal for resetting meter's accumulated readings.
uses 3-pin male crimp connectors for 0.025" square posts on 0.1" centers. e.g. Tyco/AMP AMPMODU Mod.IV series or JR, Hitec or Airtronics RC servo type connectors.