20
Note: For the MIT310A only, the presence of fast transients in excess of
0.5kV or r.f. in excess of 1 volt on measured circuit may affect the results
General Specification
Insulation ranges
Nominal test voltage:
MIT310, 310A, 320, 330
1000 V, 500 V, 250 V (d.c.)
MIT300
500 V, 250 V (d.c.)
Terminal voltage on open circuit (0ºC):
-0% +20% of rated voltage
Measuring Range
All instruments:
10 kΩ - 999 MΩ on all ranges
Short circuit current:
1.5 mA nominal
Test current on load:
1 mA at min. pass values of insulation (as
specified in BS 7671, HD 384 and
IEC
364)
Accuracy (at 20° C)
MIT300, 310, 320, 330:
±3%, ±2 digits up to 10 MΩ, ±5% up to
100 MΩ, ±30% up to full scale
MIT310A:
±2.5% of scale length (or 30% of reading
200 kΩ to 10 MΩ)
Terminal characteristics
Continuity ranges
Measuring range:
0,01 Ω - 100 Ω
(0 -50 Ω on analogue scale)
Open circuit voltage:
5 V ±1 V
Short circuit current:
205 mA +10 mA -5 mA
Accuracy (at 20° C)
MIT300, 310, 320, 330:
±3% ±2 digits
MIT310A:
±2.5% of scale length
(or 30% of reading 0.2 Ω to 2 kΩ)
Measuring range
0 - 2/20/200/2 kΩ
Open circuit voltage
1.5 V +/-0.5 V
Zero offset adjust:
MIT300, 310,320, 330:
0 - 9 Ω
MIT310A:
0 - 0.5 Ω
Continuity buzzer
MIT300, 310:
Operates at <5 Ω
MIT320, 330:
Adjustable 1 Ω to 20 Ω
MIT310A:
Operates at <5 Ω
MIT300, 310, 320, 330:
Response time <20 ms
MIT310A:
Response time <100 mS
SPECIFICATIONS
