190 U1253B User’s and Service Guide
7 Specifications
General Specifications
Display
• Graphical Orange OLED (organic light- emitting diode)
display with maximum reading of 51000 counts.
• Automatic polarity indication.
Power consumption
420 mVA maximum.
Operating environment
• Temperature: Full accuracy from –20 °C to 55 °C.
• Humidity: Full accuracy up to 80% R.H. (relative humidity)
for temperature up to 35 °C, decreasing linearly to 50%
R.H. at 55 °C.
• Altitude:
• 0 to 2000 meters: in compliance with IEC 61010- 1 2nd
Edition CAT III, 1000 V/ CAT IV, 600 V.
• 2000 to 3000 meters: in compliance with IEC 61010- 1
2nd Edition CAT III, 1000 V/ CAT IV, 600 V.
Storage temperature
From –40 °C to 70 °C, with battery removed.
Measurement category
Category III 1000 V/ Category IV, 600 V Overvoltage
Protection, Pollution Degree 2
Common Mode Rejection Ratio (CMRR)
More than 100 dB at DC, 50/60 Hz ± 0.1% (1 kΩ
unbalanced).
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