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Amprobe CT238A
AC/DC current clamp, 20 A
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Amprobe CT238A
AC/DC current clamp, 20 A



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 Amprobe CT238A

Features:
  • AC/DC current clamp, 20 A
  • Special "low current" version
  • Zero adjust knob
  • Attached leads and users manual


  Description

This current transformer probe measures AC or DC current. It converts high current to a low level millivolt signal for input directly into a test instrument. It can be used with standard DMMs, recorders, digital or analog meters, data loggers/DAS, oscilloscopes, or other test and measurement instruments.


  Models, Options, & Accessories


Model Description List Price Sale Price
CT238A AC/DC CLAMP-20A $309.95
$269.66 


  Specifications

General Specifications
Max Conductor Size 19 mm (0.75 in)
Lead Length 1.5 m (59 in)
Power 9 V battery, NEDA 1604, JIS 006P, IEC 6F22
Battery Life 30 hours (alkaline)
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 10°C
Dimensions 55 mm x 210 mm x 30 mm (2.2 in x 8.3 in x 1.2 in)
Weight 290 g (.64 lb.)
Warranty One-year
Electrical Specifications (23 °C ± 1 °C, < 75 % R.H.)
Function Range Accuracy
DC Current
DC Current 20 A max ±(1% of rdg + 2 mA)
Meter Input Impedance 10 kΩ min. and 100 pF max.  
Division Ratio 10 to 1  
Output 1 A DC at jaws = 100 mV DC to meter  
AC Current
DC–10 kHz 20 A 20 A (< 1 kHz): ± (1 % of rdg + 2 mA)
    20 A (1 to 20 kHz): ± (3 % of rdg + 2 mA)
Meter Input Impedance 10 kΩ min. and 100 pF max.  
Division Ratio 10 to 1  
Output 1 A AC at jaws = 100 mV AC to meter  
Overload Protection
  500 A  
  300 V AC on uninsulated conductors  


   
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