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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
DECLARATION OF CONFORMITY
Monarch Instrument
Division of Monarch International Inc.
15 Columbia Drive, Amherst NH 03031 USA
declares that the product:
to which this declaration relates is in conformity with the following standards:
and therefore conforms in accordance with 89/336/EEC-EMC Directive. The
testing of this product was performed by GesTek EMC Lab. in July of 2000.
(Ref. No. 0007018E).
Name: True RMS Multimeter
Model: Monarch 120
EMC: EN55022/1998, CISPR 22, Class B
EN50082-1/1997 / EN61000-4 Series
19
th
July 2000
Importer (Amherst, NH) Alan Woolfson, VP Engineering (Authorized Signature)