GW Instek GDM-8245 - Diode Check; Continuity Beeper; Environmental; General

GDM-8245 Service Manual
16
50uF
10nF
2%+4
*5nF range is affected by the impedance of the test lead. For accuracy, please
measure the range directly on the input terminal.
Protection
450V dc or peak ac continuous.
Diode check
Description
Display read forward voltage of diode.
Open Voltage
3.1V approx.
Maximum Forward
Voltage
1.5V
Protection
450V dc or peak ac continuous.
Continuity Beeper
Description
Built in buzzer sounds when resistance is less than 5
ohm.
Open Voltage
3 volts maximum.
Protection
450V dc or peak ac continuous.
Environmental
Operation
Environment
Indoor use, altitude up to 2000m.
Ambient Temperature 0˚C to 50˚C.
Relative Humidity 75% (Maximum).
Installation category II
Pollution Degree 2
Storage temperature
-40˚C to 70˚C.
Relative Humidity
< 75%, 0~35˚C
< 50%, 35~50˚C (excluding 2MΩ and 20MΩ ranges).
General
Maximum Common
Mode Voltage
500V dc or peak ac (low terminal potential with respect
to power line ground).
Warm Up
0.5 hours to achieve rated accuracy.
Power source
AC 100V/120V/230V±15%, 50/60Hz, 8VA, 6W.