|
|
|
|
 |
| |
CT235A |
CT237B |
CT238A |
|
Key Notes |
-
2
to 1000A Current Range Ratio
-
1000 to 1 Division
-
mV
Output
-
DC to 10kHz
Frequency Range
|
-
0.5 to 200A
Current Range
-
100 to 1/1000
to 1 Division Ratio
-
mV
Output
-
DC to 10kHz
Frequency Range
|
-
10mA to 20A Current Range
-
10 to 1 Division Ratio
-
mV
Output
-
DC to 10kHz
Frequency Range
|
|
DC Current |
Range |
100A, 1000A |
200A, 1000 A RMS |
20 A max |
|
Meter Input Impendance |
10kWmin. and 100 pF max. |
|
Division Ratio |
1000 to 1 |
10 to 1 |
|
Accuracy |
±(1 % of rdg + 0.5 A) |
20 A: ±(1 % of rdg + 0.03 A
200 A: ±(1 % of rdg + 0.3 A) |
±(1% of rdg + 2 mA) |
|
Output |
200 A: 1 A dc at jaws=1mV dc to meter
1000 A: 1 A dc at jaws=1mV dc to meter |
20 A: 1 A AC at jaws = 10 mV AC to meter
200 A: 1 A AC at jaws = 1 mV AC to meter |
1 A DC at jaws = 100 mV DC to meter |
|
AC Current |
Range |
100A, 1000A |
200 A, 1000 A rms |
20 A rms |
|
Meter Input Impendence |
10kWmin. and 100 pF max. |
10 kΩmin. and 100 pF max. |
|
Division Ratio |
1000 to 1 |
10 to 1 |
|
Accuracy |
±(1 % of rdg + 0.5 A) |
20 A (< 5 kHz): ±(1 % of rdg + 0.03 A)
20 A (5 to 10 kHz): ±(2 % of rdg + 0.03 A)
200 A (< 2 kHz): ±(1 % of rdg + 0.3 A)
200 A (2 to 5 kHz): ±(2 % of rdg + 0.3 A) |
20 A (< 1 kHz): ±(1 % of rdg + 2 mA)
20 A (1 to 20 kHz): ±(3 % of rdg + 2 mA) |
|
Output |
200 A: 1 A dc at jaws=1mV dc to meter
1000 A: 1 A dc at jaws=1mV dc to meter |
20 A: 1 A AC at jaws = 10 mV AC to meter
200 A: 1 A AC at jaws = 1 mV AC to meter |
1 A AC at jaws = 100 mV AC to meter |
|
Overload Protection |
>700 A for 10 minutes and 20 minutes OFF
300 V ac on uninsulated conductors |
700 A for 10 minutes and 20 minutes OFF
1000%
300 V AC on uninsulated conductors |
500 A
300 V AC on uninsulated conductors |
|
Max Conductor Size |
31mm (1.2 inches) |
19 mm (0.75˝) |
|
Lead Length
|
1.5 m (59 inches) |
|
Operating Temperature Range |
–0°C to + 50 °C at < 80 % R.H. |
|
Storage Temperature Range |
–20 °C to + 85 °C |
|
Temperature Coefficient
|
0.1 % of rdg per 1 °C
|
|
Power |
9Vbattery, NEDA 1604, JIS 006P, IEC 6F22 |
|
Battery Life |
50 hours (alkaline) |
30 hours (alkaline) |
|
Dimensions
|
55 mm x 220 mm x 30 mm (2.2 in x 8.6 in x 1.2 in) |
|
Weight
|
320 g (.7 lb.) |
290 g (.64 lb.) |
