AC CLAMP METER
CM3291
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Hioki clamp meters are best-in-class measuring devices incorporating Hiokiâs expertise in current sensing technology. The CM3291 is a true RMS rectified 2000A AC clamp meter that features a broad operating temperature range of -25° C to 65° C, thin and compact clamp core and optional flexible current sensor that you can attach to let you get into the tightest spots. CAT IV 300 V |
Model No. (Order Code)
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Key Features
âĒ AC only, measure up to 2000 A Â AC
âĒ -25 °C to 65 °C operating temperature range
âĒ Also measure resistance, continuity, AC and DC voltage
Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| AC Current range | 42.00 to 2000 A, 3 ranges (40 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: Âą1.5% rdg. Âą5 dgt. |
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| DC Voltage range | 420.0 mV to 600 V, 5 ranges, Basic accuracy: Âą1.0 % rdg. Âą3 dgt. (at 4.2 V range) |
| AC Voltage range | 4.200 V to 600 V, 4 ranges (45 to 500 Hz, True RMS), Basic accuracy 45-66 Hz: Âą1.8% rdg. Âą7 dgt. (at 4.2 V range) |
| Crest Factor | For 2500 counts or less, 2.5 Reduces linearly to 1.5 or less at 4200 counts But, 1.5 or less for 2000 A ACA range |
| Resistance range | 420.0 ÎĐ to 42.00 MÎĐ, 6 ranges, Basic accuracy: Âą2.0 % rdg. Âą4 dgt. (at 420 ÎĐ range) |
| Other functions | Continuity check: Buzzer sounds at 50 ÎĐ Âą40 ÎĐ or less, Data hold, Auto power save, Drop-proof from height of 1 meter |
| Power Supply | Coin type lithium battery (CR2032) Ã1, Continuous use 70 hours |
| Core Jaw Diameter | Ï 46 mm (1.81 in), Jaw dimension: 65 mm (2.56 in) W Ã 13 mm (0.51 in) D |
| Dimensions and mass | 57 mm (2.24 in) W Ã 198 mm (7.80 in) H Ã 16 mm (0.63 in) D, 103 g (3.6 oz) |
| Accessories | Carrying case Ã1, TEST LEAD L9208 Ã1, Coin type lithium battery CR2032 (for trial purposes only) Ã1, Instruction manual Ã1, Download guide Ã1, Operating precautions Ã1 |
CT6280 Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| Core Jaw Dia. | Ï 130 mm (5.12 in) (Cable cross-section diameter: 5 mm (0.20 in); tip cap diameter: 7 mm (0.28 in)) |
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| AC Current | 419.9 A/ 4199 A, 2 ranges (Âą3.0 % rdg. Âą5 dgt.) |
| Cable Length | 800 mm (31.5 in) |
| Catalog: AC CLAMP METER CM3281, 3291Â | Download PDFÂ [2MB] | English |
| Catalog: AC/DC CLAMP METER series | Download PDFÂ [6MB] | English |
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