
UIM-90 (221)
UIM-90 (221/В)
UIM-90 (221/Р)
UIM-90 (221/ВР)
1.2 Technical specifications
1.2.1 The main technical characteristics of the Oil tester:
Type Value
1 Range of testing voltage (rms value), kV from 10 to 90
2 Relative voltage measurement error, % 3
3 Volume of measuring cell, cm3, min 400
4 Operating alternating voltage, V 220 10
5 Power supply frequency, Hz 50/60
6 Power consumption, kV×A, max 0,1
7 Weight, kg, max 28
8 Dimensions, mm, min 520×335×320
1.2.2 Duration of continuous work of the Oil tester is 8 hours.
1.2.3 Oil tester operates, retaining its design and parameters during and af-
ter exposure to external influencing factors:
Extreme values of factors
Extreme conditions
External influencing factor Operating
conditions Transporta-
tion Storage
1 Ambient temperature, °C
– lower value
– upper value
+15
+30
–25*
+55
–25*
+55
2 Relative humidity, %
– lower value
– upper value
10
75
10
100
10
100
3 Atmospheric pressure, kPa
– lower value
– upper value
70
106
70
106
70
106
4 Shockproof on multiple shocks
– peak shock acceleration, m×sec-2
– duration of shock acceleration, ms
– quantity of shocks, pcs.
–
30
1
80-120
–
* Turning on the Oil tester after a long stay at a temperature below 5°C is allowed after pre-
exposure for 4 hours at a temperature from +15°C to +30°C