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Yokogawa
Yokogawa CL420 Clamp On Process Meter
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المعاملات الرئيسية
Measuring range
DC current 20 mA range 0.00 to ±21.49 mA; 100 mA range ±21.0 to ±126.0 mA
Accuracy
20 mA: ±(0.2% rdg + 5 dgt); 100 mA: ±(1.0% rdg + 5 dgt) @ 23 °C ±5 °C
Output
Analog DC voltage OUTPUT 10 mV/mA (recorder/logger)
Supply
Four AA alkaline 1.5 V (LR6); ~60 h continuous (backlight/LED off)
Process connection
Clamp-on (non-contact to loop wire); max conductor diameter 6 mm
Wetted parts
N/A (portable clamp meter)
| المعامل | القيمة |
|---|---|
| Measuring range | DC current 20 mA range 0.00 to ±21.49 mA; 100 mA range ±21.0 to ±126.0 mA |
| Accuracy | 20 mA: ±(0.2% rdg + 5 dgt); 100 mA: ±(1.0% rdg + 5 dgt) @ 23 °C ±5 °C |
| Output | Analog DC voltage OUTPUT 10 mV/mA (recorder/logger) |
| Supply | Four AA alkaline 1.5 V (LR6); ~60 h continuous (backlight/LED off) |
| Process connection | Clamp-on (non-contact to loop wire); max conductor diameter 6 mm |
| Wetted parts | N/A (portable clamp meter) |
| Housing | Portable instrument enclosure |
| Protection | Hand-held; see safety ratings EN61010 |
| Ambient temperature | −10 to +50 °C; ≤80% RH non-condensing |
| Display | 4-digit dual LCD numeric; backlight; LED torch |
| Approvals | EN61010-1; EN61010-2-030; EN61010-2-032 |
| Notes | Specs from Yokogawa Bulletin BUCL420-EN (Clamp-on Process Meter CL420) + TMI product page. Measures 4–20 mA without breaking the loop. |
| Response Time | Approx. 1.5 s (2.5 s across range) |
| Dimensions | 61 × 111 × 40 mm; approx. 290 g including batteries |