
- 5 -
and
humidity
Storage
temperature
and
humidity
-20
℃~
60
℃;
below 80%rh
Insulation
resistance
More than 10M
Ω
(between the circuit and the housing 500V)
Pressure
resistance
AC 3700V/rms(between the circuit and the housing)
Suitable
for safety
regulations
IEC61010-1, CAT III 600V, pollution level, JJG166-1993
《
DC resistance
test procedures
》
IV. Structure
1. Resistance output jack(C1 P1 P2 C2)
2. Soft protective cover
3. Upper and lower cover
4. Shifting twist switch