GB Instruments GCM-221 User Manual

Analog Multitester
Owners Manual Model #GMT-12A
GCM-221
Autoranging Digital Clamp Meter
Medidor de abrazadera digital
de autoreglaje
Pince ampèremétrique
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thoroughly before use
and save.
• Lea atentamente este manual
del propietario antes de
utilizar y guardar.
• Lisez ce manuel entièrement
avant utilisation et rangez-le
soigneusement.
Gardner
Bender
!
H
HOLD
OFF
A
V
Ω
A
A
VV
Ω
Ω
0 - 400
0 - 600
0 - 200
H
+
COM
600V CAT II
300V CAT III
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!
600V
GCM-221
GCM-221 11/29/04 10:39 AM Page 1

GB Instruments GCM-221 Specifications

General

Category	Measuring Instruments
Model	GCM-221
Manufacturer	GB Instruments
Type	Clamp Meter
Current Measurement	Yes
Voltage Measurement	Yes
Continuity	Yes
Diode Test	Yes
Battery	9V
Display	LCD
Jaw Opening	30 mm

Summary

Meter Functions

Specifications

For Your Safety

Safety precautions and warnings for operating the meter safely.

Operating Suggestions

Instrument Familiarization

Overview of the meter's parts and functions, including displays and controls.

Measuring Resistance

Steps to correctly set up and perform resistance measurements.

Testing Continuity

Procedure for checking electrical continuity using the meter.

Measuring AC Volts

Method for measuring AC voltage using the test leads.

Measuring AC Amps

Technique for measuring AC current using the clamp jaws.

Changing The Battery