This file is the maintenance manual for the 61-340 and 61-342 multimeters provided by Ideal Industries, Inc., which contains information on precautions and safety information, specifications, basic maintenance, performance test procedures, calibration and calibration adjustment procedures, etc.
This document serves as a technical guide for qualified personnel to service the Ideal Industries 61-340 and 61-342 digital multimeters. It provides essential safety precautions, detailed electrical specifications for voltage, current, resistance, capacitance, frequency, and temperature measurements, and environmental characteristics.
| Display count | 3 3/4 digit liquid crystal display, max count 4000 |
|---|---|
| Numeric update rate | 2.5 times / sec |
| Power source | 9.0V battery: types- NEDA 1604, JISOO6P, IEC6F22 |
| Maximum input voltage (CAT III) | 1000Vrms between V and COM |
| Overload protection mA connector | 500mA (250V) fast blow fuse |
| Overload protection 10A connector | 10A (250V) fast blow fuse |
| Battery Life (Alkaline 9V) | > 200 hours for 61-340 |
| DC Volts Accuracy (40.00V range) | +(0.8% reading + 1 digits) |
| AC Current Frequency Response | 40Hz ~ 400Hz |
It is recommended that the multimeter be calibrated once each year.
Do not operate without covers, do not connect or disconnect probes while connected to a voltage source, and avoid wet/damp conditions.
The meter features an automatic power-off time of 10 minutes.