background image

ELECTRICAL SPECIFICATIONS 

Current Range:

 

1 to 1000A

AC

, continuous @ ≤ 1kHz

 

Transformation Ratio: 

250:5, 500:5, 1000:5

 

Output Signal: 

5mA, 10mA, 20mA AC/A AC 

(5A

AC

 at 250, 500 or 1000A) 

Accuracy and Phase Shift*: 

Range 250:5 - 20mA/A 

Primary 

1 to 5A 

5A  12.5A  50A  250A  300A 

Accuracy 

≤ 10% ± 0.1A

  10%  5%   2.5%  2% 

2% 

Phase 

N/A 

N/A 

10° 

10° 

10° 

10° 

Overload: 

300A for 30 mn on, 15 mn OFF

 

Range 500:5 - 10mA/A 

Primary 

1 to 10A 

10A 

25A  100A  500A  600A 

Accuracy 

≤ 6% ± 0.1A

    6% 

3% 

 2% 

1% 

1% 

Phase 

N/A 

 6° 

 4° 

 3° 

 2.5°   2.5° 

Overload:

 600A for 30 mn on, 15 mn OFF

 

Range 1000:5 - 5mA/A 

Primary 

1 to 20A 

20A 

50A  200A 1000A 1200A 

Accuracy 

≤ 6% ± 0.1A

  5% 

3%   1.5%  1% 

1% 

Phase 

N/A 

5° 

3° 

1.5° 

1° 

1°  

Overload:

 1200A for 30 on, @ 15 mn OFF

 

 (*Reference conditions: 23°C ±3°K, 20 to 75% RH, 48 to 
65Hz, external magnetic field < 40 A/m, no DC component, 
no external current carrying conductor, test sample 

centered.) Load impedance 0.2Ω @ lead < 40mΩ. 0.1Ω for 

250A range. 

Summary of Contents for SR634

Page 1: ... Do not use clamp in wet environment or in locations that hazardous gases exist Do not use the probe anywhere beyond the tactile barrier INTERNATIONAL ELECTRICAL SYMBOLS This symbol signifies that the current probe is protected by double or reinforced insulation Use only factory specified replacement parts when servicing the instrument This symbol signifies CAUTION and requests that the user refer...

Page 2: ... for 30 mn on 15 mn OFF Range 500 5 10mA A Primary 1 to 10A 10A 25A 100A 500A 600A Accuracy 6 0 1A 6 3 2 1 1 Phase N A 6 4 3 2 5 2 5 Overload 600A for 30 mn on 15 mn OFF Range 1000 5 5mA A Primary 1 to 20A 20A 50A 200A 1000A1200A Accuracy 6 0 1A 5 3 1 5 1 1 Phase N A 5 3 1 5 1 1 Overload 1200A for 30 on 15 mn OFF Reference conditions 23 C 3 K 20 to 75 RH 48 to 65Hz external magnetic field 40 A m n...

Page 3: ... IEC 68 2 32 Mechanical Shock 100 g IEC 68 2 27 Vibration 5 to 15 Hz 0 15 mm IEC 68 2 6 15 to 25 Hz 1 mm 25 to 55 Hz 0 25 mm Polycarbonate Material Handles ABS Grey and Lexan 500R Red UL94V0 Jaws Lexan 500R Red UL94V0 Dimensions 4 37 x 8 50 x 1 77 111 x 216 x 45mm Weight 1 21 lbs 550 g Output Two standard safety banana jacks 4mm SAFETY SPECIFICATIONS Electrical Double insulation or reinforced insu...

Page 4: ...are qualified to do so To avoid electrical shock and or damage to the instrument do not get water or other foreign agents into the probe Cleaning To ensure optimum performance it is important to keep the probe jaw mating surfaces clean at all times Failure to do so may result in error in readings To clean the probe jaws use very fine sand paper fine 600 to avoid scratching the jaw then gently clea...

Reviews: