GW Instek GCM-303 - Manual (Page 7)

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(4) Replacing Batteries
(5) Battery Replacement Steps
If symbols appears, the batteries fall below the normal
operation voltage. Replace them with 2 new batteries.
(Standard UM-4 or R03 AAA batteries)
Before replacing batteries, make sure to disconnect
the clamp meter from the circuit under test.
Replace two new batteries at the same time, and make
sure you put the batteries at correct polarities.
1.Abort the measuring action
2.Turn the function switch knob
back to OFF
3.Remove the screw on the back of
casing (as drawing)
4.Open the battery lid
5.Load the new batteries
6.Install the battery lid into the casing
nd fasten it with the screw
CAUTION
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(6) Specification
1. General Specification:
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Alkaline batteries approx. 400 hours
General batteries approx. 240 hours
Max Clamp Size:
Measurement Functions:
Additional Functions:
LCD Display:
Range:
Sampling Rate:
Operation Temperature/Humidity:
Storage Temperature/Humidity:
Power Supply:
Battery Life:
Dimensions:
Weight:
30mm or 10x35mm
, , ,
Max hold, auto power off
Unit & function indication, 1999 digits as maximum
reading, negative polarity indicator, overload
indicator ( "OL" indicating overload of resistance,
beeper, diode),
indicating low battery.
Auto-ranging
approx. 3 times per second
0 C~50 C (32 F~122 F) / below 80% R.H.
(no condensation)
-10 C~60 C (14 F~140 F) / below 70% R.H.
o condensation)
2 pcs of standard UM-4 or R03 AAA
batteries
189mm(L) x 71mm(W) x 37mm(H)
approx. 200g (batteries included)
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V V A
Remove the screw
on the back of casing
Battery lid
1.5V
SIZE
"AAA" 1.5V
SIZE
"AAA"
TO AVOID ELECTRICAL
SHOCK, REMOVE TEST
LEADS BEFORE
OPENING CASE.
DO NOT USE ON BARE
CONDUCTORS.
PLEASE READ
MANUAL FOR SAFETY
BEFORE USING.
USE BATTERY 1.5V X2
AA A SIZE
WARNING
DANGER