Metravi 53C-II Quick Start Manual

INTRODUCTION

Metravi Digital Micro Ohm meter Model 53C-II, is a compact high reliability 3 ½ digit instrument suitable for measurement of resistivity
of copper wires from 7/0 SWG to 50 SWG, resistance of cables, windings coils, heater elements and contact resistances of switches,
relays etc. Emphasis in the design of this instrument has been to provide quick, stable and repeatable readings of resistance. The
instrument uses a 4 terminal measurement so that resistance of test leads and contacts is eliminated from test results. Actual value
of resistor is directly displayed in the seven segment 12.5mm display.

SPECIFICATION GENERAL

Range of Measurement : 1 micro Ohm to 19.99 K Ohm in eight ranges.
Range (Ohms)
0-1999u
0-19.99m
0-199.9m
0-1.999
0-19.99
0-199.9
0-1999
0-19.99K
Warm-up Time: For rated accuracy is 3 minutes.
Input Voltage : 230V AC +/- 10% , 10W approx.
Over Range : Three most significant digits Blank and '1' appears.

Test Procedure:

1. To Determine the Resistivity of Copper Wires.
Zero Setting: Connect the test leads -V & +V only. Do not connect -I & +I leads. Selector switch should be in 1999u Ohm position.
Switch 'ON' power and stabilise instrument for 3 Minutes. Set Zero by zero setting knob. Best Zero setting is when '-' sign blinks.
During measurement, zero setting may be made by removing +I lead even while the other leads are connected to the unit under
test. Range of 199.9m Ohms and 19.99 Ohms do not need Zero setting and stabilization.
THE QUALITY LEADER
DIGITAL MICRO OHMS METER
Nominal Test Current
1.50 A
0.75 A
0.75 A
75mA
7.5mA
0.75mA
0.075mA
0.075mA
Accuracy
+/- 0.3% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
+/- 0.2% +2 Digits
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*Technical Specifications & Appearance are subjet to change without prior notice
Model: 53C-II