
DECLARATION OF CONFORMITY
Monarch Instrument
Division of Monarch International Inc.
15 Columbia Drive, Amherst NH 03031 USA
  | declares that the product:  | 
  | 
  | 
Name:  | True RMS Multimeter  | 
Model:  | Monarch 120  | 
  | 
  | 
to which this declaration relates is in conformity with the following standards:
EMC:  | EN55022/1998, CISPR 22, Class B  | 
  | 
and therefore conforms in accordance with 
19th July 2000
Importer (Amherst, NH)  | Alan Woolfson, VP Engineering (Authorized Signature)  | 
MODEL 120 TRUE RMS MULTIMETER
Table of Contents
Section  | 
  | 
  | Page  | |
1.0  | Introduction  | 1  | ||
2.0  | Specifications  | 1  | ||
3.0  | Symbol Definitions and Feature Locations  | ........................................3  | ||
4.0  | Control Functions  | ...................................................................................................  | 4  | |
  | 4.1  | Function Selector Rotary Switch  | 4  | |
  | 4.2  | Range Button  | 4  | |
  | 4.3  | MAX/MIN Button  | 4  | |
  | 4.4  | Data Hold Function  | 4  | |
  | 4.5  | Peak Hold Function  | 4  | |
  | 4.6  | Relative Operation  | 5  | |
  | 4.7  | Voltage or Current to Frequency Function  | 5  | |
  | 4.8  | Backlight Button  | 5  | |
  | 4.9  | Second Function Button  | 5  | |
  | 4.10  | Auto Power Off  | 5  | |
  | 4.11  | 20A Measuring Connector  | 5  | |
  | 4.12  | µA/mA Measuring Connector  | 5  | |
  | 4.13  | COM Measuring Connector  | 5  | |
  | 4.14 V, Hz, , RPM,  | , ȍ, TEMP Measuring Connector  | 5  | |
  | 4.15  | Digital Output  | 5  | |
5.0  | Operating Instructions  | 6  | ||
  | 5.1  | AC Voltage Measurements  | 6  | |
  | 5.2  | DC Voltage Measurements  | 6  | |
  | 5.3  | AC/DC Current Measurements  | 6  | |
  | 5.4  | Resistance Measurements  | 7  | |
  | 5.5  | Continuity Measurements  | 7  | |
  | 5.6  | Diode Tests  | 7  | |
  | 5.7  | Frequency and RPM Measurements  | 8  | |
  | 5.8  | Temperature Measurements  | 8  | |
  | 5.9  | Capacitance Measurements  | 8  | |
6.0  | Battery and Fuse Replacement  | 9  | ||
  | 6.1  | Opening the Instrument Case  | 9  | |
  | 6.2  | Battery Replacement  | ...................................................................................................  | 9  | 
  | 6.3  | Fuse Replacement  | 9  | |
  | 6.4  | Closing the Instrument Case  | 9  | |