Amprobe CT235A Посібник - Сторінка 4
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Specifications
Electrical data
(All accuracies stated at 23°C ± 1°C)
Current ranges
CT237A
20A and 200A DC and AC r.m.s.
CT235A
200A and 1000A DC and AC peak
Overload capacity 1000 %
Overall accuracy
CT237A, 20A range DC
±1% of rdg ± 0.03A
20A range AC, <5kHz
±1% of rdg ± 0.03A
5kHz to 10kHz
±2% of rdg ± 0.03A
CT237A, 200A range DC
±1% of rdg ± 0.3A
200A range AC, <2kHz
±1% of rdg ± 0.3A
2kHz to 5kHz:
±2% of rdg ±0.3A
5kHz to 10kHz:
±5% of rdg ±0.3A
CT235A, 200A/1000A range, DC
±1% of rdg ± 0.5A
200A/1000A range, AC, <10kHz
±1% of rdg ± 0.5A
Resolution
CT237A, 20A range
± 10mA
CT237A, 200A range
± 100mA
CT235A, 200A range
± 100mA
CT235A, 1000A range
± 100mA
Temperature coefficient
± 0.1% of reading/°C
Output sensitivity
CT237A, 20A range
10 mV/A
CT237A, 200A range
1mV/A
CT235A, 200A range
1 mV/A
CT235A, 1000A range
1 mV/A
Frequency range ( -1dB)
DC to 10 kHz (limited by eddy current
heating for Irms x f >400,000)
Dielectric strength
3.7kV r.m.s. 50 Hz for 1 min
Safety: Meets EN61010-1 Cat III 300V; EN61010-2-032
EMC: Meets EN50081-1, EN50082-1
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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
0°C to +50°C
Storage temperature with battery removed
- 20°C to +85°C
Power supply
9 V, Alkaline battery
PP3, NEDA 1604 or IEC6F22
Battery life
50 hours typical
Load impedance (minimum) >10 k � and ≤100pF
Conductor size
CT237A
19 mm
CT235A
31 mm
Jaw opening
CT237A
20 mm max.
CT235A
32 mm max.
Weight
CT237A
250 g.
CT235A
295 g.
Output cable and connectors
1.5 m long terminated with 4mm safety
plugs
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.
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