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GENERAL SPECIFICATIONS
Item Model
72-7765A 72-10420A/72-7770A
Max voltage (including
transient overvoltage) between
terminals and ground
250V rms
VΩmA terminal fuse protection
400mA, 250V fast type,
Φ5x20mm
200mA, 250V fast
type, Φ5x20mm
10A terminal fuse protection 10A, 600V fast type, Φ6x25mm
Range selection auto manual
Max display 3999 1999
Battery 1.5V(AAA)x2
9V Battery NEDA1604
or 6F22 or 006Px1
Operating temperature 0 ~ 40°C
Storage temperature -10 to 50°C
Relative humidity 0 to 30°C: 75%, 31 to 40°C: <50%
Dimension (H x W x L) 130 x 73.5 x 35mm
Weight (including battery) 156g
BATTERY AND FUSE REPLACEMENT
Replacing the battery:
• Remove the test probes from the meter input terminals and turn the range selector
to OFF position.
• Unscrew and lift off the back cover.
• Remove the old battery.
• Replace with the new battery of same type.
• Ret the back cover.
Replacing the fuse:
• Remove the test probes from the meter input terminals and turn the range selector
to OFF position.
• Unscrew and lift off the back cover and remove the fuse from its holder.
• Replace ONLY with the fuses that match the following specications:
400mA, 250V fast type, Φ5x20mm (72-7765A).
200mA, 250V fast type, Φ5x20mm (72-10420A/72-7770A).
10A, 600V fast type, Φ6x25mm.
• Ret the back cover.