12B/18/7 Series
Service Manual
1-2
Accuracy specifications are given as follows:
±([% of reading] + [number of least significant digits])
Table 1-1. Specifications
Maximum Voltage Between any
Terminal and Earth Ground
(excludes 10% tolerance)
600V ac rms or dc
Display 3-3/4-digits, 4000 counts, updates 4/sec
Operating Temperature -10°C to 50°C
Storage Temperature -30°C to 60°C indefinitely (to -40°C for 100 hrs)
Temperature Coefficient 0.1 x (specified accuracy)/°C (<18°C or >28°C)
Relative Humidity 0% to 90% (-10°C to 35°C)
0% to 70% (35°C to 50°C)
Battery Type 9V, NEDA 1604 or IEC 6F22
Battery Life 650 continuous hours with alkaline; 600 hours for Model 7
450 continuous hours with carbon-zinc; 400 hours for Model 7
Shock, Vibration 1 meter shock. Per MIL-T-28800D for a Class 3 Instrument
Size (HxWxL) 1.35 in x 2.75 in x 5.55 in
(3.46 cm x 7.05 cm x 14.23 cm)
Weight 10 oz (286g)
EMI Regulations Complies with FCC Part 15, Class B, and VDE 0871B.
Safety
Designed to Protection Class II requirement of UL1244,
ANSI/ISA-S82.01 - 1988, CSA C22.2 No 231, and VDE 0411, and
IEC 1010-1 overvoltage category III (CAT III), 600V.
Trademark of TÜV Product Services.
IEC 348 certification; designed to
comply with EN 61010-1: 1993.
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