HT Instruments HT7 Bedienungsanleitung Seite 32

7. TECHNICAL SPECIFICATIONS
7.1. TECHNICAL CHARACTERISTICS
Accuracy is indicated as
AC/DC Voltage
Range Resolution
6, 12, 24, 50,
120, 230, 400,
690V
Max output current:
Detection AC/DC voltage:
Measuring range selection:
Frequency range:
Minimum detected voltage:
AC Voltage with low input impedance
Range
12  230V
Max output current:
Detection AC voltage:
Measuring range selection:
Frequency range:
Minimum detected voltage:
1-wire AC voltage detection (polarity)
Voltage range:
Frequency range:
Continuity test
Range
Accuracy: nominal voltage ±50%
Phase sequence indication
Voltage range:
Frequency range:
Measurement method:
7.1.1. Reference guidelines
Safety:
EMC :
Insulation :
Pollution degree:
Measurement category:
Max height of use:
7.1.2. General specifications
Mechanical characteristics
Dimensions (L x W x H):
Weight (including batteries):
Mechanical protection:

[%reading + (dgt * resolution)] at 23°C±5°C, <70%RH
Accuracy
(3.0rdg+5dgt)
1V
≤3.5mA (400VAC); ≤3.5mA (690VDC)
automatic
automatic
50/60Hz
5.0V (AC/DC
Resolution Measuring time
1V max 5s < 250V
Is ≤ 200mA @690V, max 30s (ca. 48mA @ 230V)
automatic from 12V
automatic
50/60Hz
12VAC
150V  690VAC
50/60Hz
Buzzer Test current
<500kΩ
180V  440VAC – Phase-Neutral
50/60Hz
2-wire with contact to live parts
Input impedance
Input impedance
<5A
IEC/EN61010-1, IEC/EN61243-3 :2014
IEC/EN61326-1
double insulation
2
CAT III 1000V, CAT IV 600V
2000m (6561ft)
240 x 78 x 40mm (9.4 x 3.1 x 1.6in)
240g (7.7ounces)
IP64
EN - 13
Overload protection
690VAC/DC
1M
Overload protection
3s <400VAC,
< 6k
690VDC
Overload protection
690VDC/400VAC
HT7