60
Technical Data
Symbol . . . . . . . . . . . . . . . . . . . . . . . . .Max. 40000 counts (characters)
Measuring rate . . . . . . . . . . . . . . . . . . .Approx. 2-3 measuring operations/second, Bargraf approx.
10 measurements/second
measuring line length . . . . . . . . . . . . .Approx. 90 cm each
Measuring impedance . . . . . . . . . . . . .>10MΩ (V range)
Operating voltage . . . . . . . . . . . . . . . .9V block battery
Working conditions . . . . . . . . . . . . . . .0 to 30°C (<75%rF), >30 to 40°C (<50%rF)
Operating altitude . . . . . . . . . . . . . . . .max. 2,000 m
Storage temperature . . . . . . . . . . . . . .-10°C to +50°C
Weight . . . . . . . . . . . . . . . . . . . . . . . . .Approx. 380 g
Dimensions (LxWxH) . . . . . . . . . . . . . .185 x 91 x 43 (mm)
Over-voltage category . . . . . . . . . . . . .CAT III 1,000 V, CAT IV 600 V, contamination degree 2
Measurement tolerances
Statement of accuracy in ± (% of r display error in counts (= number of smallest points)). The accu-
racy is valid for one year at a temperature of +23°C ± 5°C, and at a relative humidity of less than 75 %, non-
condensing. Temperature coefficient: +0.1 x (specified accuracy)/1°C
Direct voltage
Range
Accuracy
Resolution
400 mV
±(0.1% + 8)
0.01 mV
4 V
0.0001 V
40 V
±(0.1% + 8)
0.001 V
400 V
0.01 V
1,000 V
±(0.2% + 8)
0.1 V
Overload protection 1,000 V; Impedance: 10 MΩ
Alternating voltage
Range
Accuracy
Resolution
4 V
0.001 V
40 V
±(1.3% + 5)
0.01 V
400 V
0.1 V
750 V
±(2.0% + 5)
1 V
Frequency range 45 – 1 kHz; Overload protection 750 V; Impedance: 10 MΩ
TrueRMS in the measuring area of 10 – 100%: Crest factor: max. 3.0 (at 750V max. 1.5)
Summary of Contents for VC870
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