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M.C. Miller 5203 LC-4.5 Voltmeter

Price $962.98
Minimum Purchase:
1 unit

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The M.C. Miller LC-4.5 Voltmeter is the first hand-held voltmeter to include a number of special features which facilitate corrosion and cathodic protection testing on underground structures. It is designed for field testing under almost any environmental conditions. Sealed Mil-Spec switches, sealed windows, a gasketed case and a printed circuit board with baked-on moisture and fungus resistant coating on both sides make this possible.

The large (0.5 in) display characters are easy to read under both high and low lighting conditions and function over a wide temperature range with very little drain on the battery.

The LC-4.5 is recommended for potential surveys, side drain measurements, surface potential surveys, IR drop measurements, checking both the AC and DC circuits of rectifiers, checking for stray or hazardous AC potentials, and checking galvanic anodes. DC current measurements require the use of an optional plug-in shunt (0-20 Amp).

The selectable input resistance feature permits detection of high resistance in the external circuit and elimination of resulting errors in virtually all cases.

The push-to-hold-reading button freezes the display at any desired time, which makes the meter usable in many areas having varying stray currents. It is also useful when conducting instant-off and coordinated tests.

The LC-4.5 Voltmeter comes in a protective leather carrying case and is supplied with two 6 ft long test leads (one with red, one with black PVC insulation) with 40 A test clips.

Includes a Calibration Certificate.

Logic CMOS, crystal controlled timing.
Display Liquid crystal, 3 1/2 digits, 0.5" high.
DC Volt Range 0 - 20 mV (.01 mV resolution)
0 - 200 mV (.1 mV resolution)
0 - 2 V (1 mV resolution)
0 - 200 V (.1 V resolution)
AC Volt Range 0 - 600 V (1 V resolution)
Resistance Range 0-200 Ohms (.1 Ohm resolution)
DC Current Range Using optional .001 Ohm LC Shunt: 0-20 A (.01 A resolution)
Accuracy DCV: 1% of reading +1 digit. 
ACV: 3% of reading +1 digit
Ohms: 2% of reading +1 digit.
AC Rejection
@ 50/60/400 Hz
20 mV range: 20 mV AC
200 mV range: 5 VAC
2 V range: 120 VAC
200 V range: 600 VAC
DC Rejection 600 VAC range: 600 VDC
Zero Automatic
Decimal Point Automatic; set by range switch.
Polarity Automatic; negative symbol displayed, positive assumed.
Input Resistance 20 mV range; 1000 Ohms. All other DCV 
ranges are switch selectable 
(10, 25, 50, 100, 200 megohms).
Operating Temp +8oF to +176oF (-14oC to +80oC).
Battery One 9V alkaline recommended.
Dimensions 6-1/8 x 3-5/8 x 1-3/4" overall (15 x 8 x 4.5 cm)
Weight: 11 oz. approx. (0.312 kg.)

Product Manual


 M.C. Miller 5203 LC-4.5 Voltmeter

M.C. Miller 5203 LC-4.5 Voltmeter

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