Amprobe CT237A
| CT235A | CT237A | CT238A | ||
| Key Notes |
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| 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.) | ||
