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Hioki clamp on meters are best-in-class measuring devices incorporating Hiokiâs expertise in current sensing technology. The CM4142 is a 2000A AC True RMS clamp meter that features a uniquely designed slim jaw that lets you easily get into the narrow gaps between cables in crowded electrical distribution boxes without fear of damaging the cables or the clamp meter. The broad -25â to 65â operating temperature range and IP50 dustproof and waterproof enclosure to enable professionals to work quickly in crowded electrical distribution panels. The high current measurement capability makes it especially useful for industrial applications. Use the built-in Bluetooth wireless technology to wirelessly send measurement data to mobile devices and create reports. CAT IV 600 V Key Features *Data can be downloaded to tablets and smartphones using Hiokiâs dedicated apps available from the Google Play or App Store. Search for âHIOKIâ and download the âGENNECT Crossâ app. |
Model No. (Order Code)
For the latest information about countries and regions where wireless operation is currently supported, please visit the Hioki website. *Android, Google Play and the Google Play logo are trademarks of Google Inc.       |
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Newly Designed Clamp Sensor Gets Between Wires Even with Large Jaw Diameter Despite the ability to measure up to 2000A AC afforded by the large sensor with Ï55mm core diameter, the clamp meterâs innovative jaw design lets you get between the narrow spaces between crowded cables with absolute ease. In addition, electrical panels are sometimes so crowded that you need to push and pull to the clamp to get it around the cable. The CM4141 features a robust construction that delivers strength while letting you weave through complex wiring to get to the right cable, vastly improving work efficiency and speed. Compared with clamp meters of similar class, the meter weighs only 300g, at least 100g lighter than competitors, letting you use the instrument over long work days with significantly less effort and physical strain. |
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Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| AC Current range | 60.00 A to 2000 A, 3 ranges (45 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: Âą1.5% rdg. Âą0.08 A |
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| Crest Factor | For the 60.00 A range: 2.5 (greater than 50.00 A and less than or equal to 60.00 A) to 2000 A range: 1.5 (2000 A or less) |
| DC Voltage range | 600.0 mV to 1500 V (*1), 5 ranges, Basic accuracy: Âą0.5% rdg. Âą0.5 mV (at 600 mV) |
| AC Voltage range | 6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: Âą0.9% rdg. 0.003 V (at 6 V) |
| DC+AC Voltage range | 6.000 V to 1000 V, 4 ranges, Basic accuracy DC, 45-66 Hz: Âą1.0% rdg. Âą0.013 V (at 6 V) |
| Resistance range | 600.0 ÎĐ to 600.0 kÎĐ, 4 ranges, Basic accuracy: Âą0.7% rdg. Âą0.5 ÎĐ (at 600 ÎĐ) |
| Electrostatic capacity range | 1.000 ΞF to 1000 ΞF, 4 ranges, Basic accuracy: ¹1.9% rdg. ¹0.005 ΞF (at 1 ΞF) |
| Frequency range | Voltage: 9.999 Hz to 999.9 Hz 3 ranges, Current: 99.99 Hz to 999.9 Hz 2 ranges, Basic accuracy: Âą0.1% rdg. Âą0.01 Hz (at 99.99 Hz) |
| Temperature (K) | -40.0 to 400.0 ËC, Basic accuracy: Âą0.5% rdg. Âą3.0 ËC + temperature probe accuracy |
| Other functions | Continuity check, Diode check, Automatic AC/ DC detection (Voltage check only), Max/ Min/ AVG/ Peak waveform MAX/ Peak waveform MIN value display, Low-pass filter function, Display value hold, Backlight, Auto power save, Buzzer sound, Zero-adjustment, and other function |
| Dustproof, waterproof | IP20 (Current measurement of voltage or hazardous live conductors under completely dry condition) IP50 (When measuring or storing the resistance of a completely dry state or the current of an insulated conductor), However, dustproof and waterproof design equivalent to IP54 only on the handheld part and in a non-measurement state. |
| Interface | BluetoothÂŪ 4.0LE, Supported devices: iOS, AndroidâĒ smartphone/tablet GENNECT Cross (free downloadable app) : display measured values and waveforms, Simple logging function, Waveform monitor function, Hold save function |
| Power supply | LR03 Alkaline battery Ã2, Continuous use: 48 hr (Backlight OFF, BluetoothÂŪ OFF), 24 hr (Backlight OFF, BluetoothÂŪ ON) |
| Core jaw diameter | Ï55 mm (2.17 in), Jaw dimension: 82 mm (3.23 in) W Ã 11 mm (0.43 in) D (D dimension is a range value of 44 mm (1.73 in) from the tip of the jaw) |
| Jaw cross-section | Minimum dimension 11 mm (0.43 in) (Range value of 44 mm (1.73 in) from the tip of the jaw) |
| Dimensions and mass | 65 mm (2.56 in) W Ã 247 mm (9.72 in) H Ã 35 mm (1.38 in) D, 300 g (10.6 oz) |
| Accessories | 65 mm (2.56 in) W Ã 247 mm (9.72 in) H Ã 35 mm (1.38 in) D, 300 g (10.6 oz) |
Countries and regions where wireless operation is currently supported (CM4142)Â Last update: June 26, 2019
| Wireless certification | Japan, United States, Canada, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom, Singapore, Korea, Chile, and Mexico |
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| Exempt from the wireless regulations | Viet Nam, Hong Kong, Macao, Myanmar, Russian Federation, Colombia, Pakistan, Peru, Georgia, and Kenya |
| Catalog: AC/DC CLAMP METER AC CLAMP METER CM4000 series | Download PDFÂ [6MB] | English |
| Catalog: AC/DC CLAMP METER series | Download PDFÂ [6MB] | English |
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