Wetekom 81 52 69, Instruction Manual, Page: 56 / 59

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18. Accuracy Specifications
Diode and Continuity
Accuracy is specified for a period of one year after calibration and a working
temperature of 18°C to 28°C with relative humidity of < 75%.
19. General Specifications
ƒ Display: 3 ¾ digits (max. 3.999)
ƒ
Overrange Indication
ƒ Negative Polarity Indication
ƒ Sampling Rate: approx. 2 – 3x times per second
ƒ Working Temperature: 0ºC to 40ºC, rel. humidity: max. 75%
ƒ
Storing Temperature: -30ºC to 60ºC, rel. humidity: max. 85%
ƒ Operating Altitude: 0 to 2000 meters
ƒ Fuse: 0.5 A / 250 V, 5 x 20 mm
ƒ Battery: 9 V 6LR61 (6F22)
ƒ Low Battery Indication
ƒ Dimensions: (HxWxD): 162 x 83 x 47 mm
ƒ Weight: approx. 310 g (including battery and casing)
ƒ Safety of device: / Compliances: IEC 61010 CATII 600 V, double insulated
Range Notes Test Condition
The approx. forward voltage
drop of the diode will be
displayed. Open circuit voltage:
approx. 1.5 V
Overload protection
250 V DC/AC
The built-in buzzer will sound if
the resistance is less than
approx. 50
Ω . The buzzer will
not sound if the resistance is
higher than 120
Ω .
Open circuit voltage:
approx. 0.45 V
Overload protection
250 V DC/AC