Specifications; Electrical Data; General Data - Amprobe CT235A Mode D'emploi

Specifications

Electrical data

(All accuracies stated at 23°C ± 1°C)
Current ranges
CT237B
CT235A
Overload capacity 1000 %
Overall accuracy
CT237B, 20A range DC
20A range AC, <1kHz
>1kHz
CT237B, 200A range DC
200A range AC, <1kHz
>1kHz
CT235A, 200A/1000A range, DC
200A/1000A range, AC, <10kHz
Resolution
CT237B, 20A range
CT237B, 200A range
CT235A, 200A range
CT235A, 1000A range
Temperature coefficient
Output sensitivity
CT237B, 20A range
CT237B, 200A range
CT235A, 200A range
CT235A, 1000A range
Frequency range ( -1dB)
Dielectric strength
Safety: Meets EN61010-1 Cat III 300V; EN61010-2-032
EMC: Meets EN50081-1, EN50082-1
�
EMC: This product complies with requirements of
the following European Community Directives: 9/336/EEC (Electromagnetic Compatibility)
and 73/23/EEC (Low Voltage) as amended by 93/68/EEC (CE Marking).

General data

Operating temperature
Storage temperature with battery removed
Power supply
Battery life
Load impedance (minimum) >10 k � and ≤100pF
Conductor size
CT237B
CT235A
Jaw opening
CT237B
CT235A
Weight
CT237B
CT235A
Output cable and connectors
Dimensions
CT237B 185 x 70 x 30 mm
CT235A 195 x 70 x 30 mm
Environmental
- indoor use
- altitude up to 2000m
- temperature 0°C to +50°C
- maximum relative humidity 80% for temperatures up to 31°C decreasing
linearly to 40% relative humidity at 50°C.
0.2...20A and 200A DC and AC r.m.s.
200A and 1000A DC and AC peak
±1.5% of rdg ± 0.05A
±1.5% of rdg ± 0.05A
not specified
±1.2% of rdg ± 0.3A
±1.2% of rdg ± 0.3A
not specified
±1% of rdg ± 0.5A
±1% of rdg ± 0.5A
± 10mA
± 100mA
± 100mA
± 100mA
± 0.1% of reading/°C
10 mV/A
1mV/A
1 mV/A
1 mV/A
DC to 10 kHz (limited by eddy current
heating for Irms x f >400,000)
3.7kV r.m.s. 50 Hz for 1 min
0°C to +50°C
- 20°C to +85°C
9 V, Alkaline battery
PP3, NEDA 1604 or IEC6F22
50 hours typical
19 mm
31 mm
20 mm max.
32 mm max.
280 g.
300 g.
approx. 1.5 m long terminated with
4mm safety plugs
2