—
7
—
To prevent wrong connection of test leads and to maintain safety, the dedicated
terminals used for continuity and insulation tests are automatically covered
when using the terminals for Loop impedance, RCD and Uc tests.
Typical Number of Tests (central tendency for supply voltage up to 8V at R6P)
Continuity Ranges : Approx. 700 times min. at load 1Ω
Insulation Resistance Ranges :
Approx. 1000 times min. at load 0.5MΩ(500V)
Approx. 800 times min. at load 1MΩ(1000V)
LOOP/RCD/Uc Ranges : Operational lifetime:5h (In case of continuous
duty)
Operating instrumetal uncertainty
●
Operating instrumetal uncertainty of Continuity (IEC 61557-4)/Insulation Resistance (IEC 61557-2)
The influencing variations used for calculating the operating instrumetal uncertainty are denoted as follows;
Temperature : 0℃ and 35℃
Supply voltage : 8V to 13.8V
● Operating instrumetal uncertainty of Loop Impedance (IEC 61557-3)
The influencing variations used for calculating the operating instrumetal uncertainty are denoted as follows:
Temperature : 0℃ and 35℃
Phase angle : At a phase angle 0° to 18°
System frequency : 49.5Hz to 50.5Hz
System voltage : 230V+10%-15%
Supply voltage : 8V to 13.8V
Voltage Measurement
Rated Voltage (AC) Measuring Range (AC) Accuracy
100-250V 50Hz 100-300V 3% rdg
@ Loop/RCD/Uc Range
Function
Range
20Ω
200Ω
500V
1000V
0.20-19.99Ω
20.0-199.9Ω
0.50 - 199.9MΩ
1.00 - 199.9MΩ
Measuring range to keep
operating uncertainty
Maximum percentage
operating uncertainty
±30%
Continuity
lnsulation
Resistance
Range
0.4-19.99Ω
100-1999Ω
Measuring range to keep
operating uncertainty
Maximum percentage
operating uncertainty
±30%
20Ω
2000Ω
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