AC/DC CLAMP METER
CM4372
True RMS 600 A AC/DC Clamp Meter with Bluetooth Wireless Technology for Advanced Applications and the Toughest Situations
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Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4372 is a 600A True RMS clamp meter that features stronger jaws, broader -25℃ to 65℃ operating temperature range and IP54 dustproof and waterproof enclosure to enable professionals to work quickly in tough situations including the development, repair, and maintenance of equipment and devices such as electric vehicles. Additionally, the high-voltage DC measurement capability of up to 1700 V is ideal for the clamp maintenance inspections of electrical and solar power equipment. Measured values can be sent to a smartphone or tablet using Bluetooth® wireless technology and displayed as waveforms in real time. CAT IV 600 V, CAT III 1000 V Key Features • Send measured values to a smartphone or tablet using Bluetooth® wireless technology • Multiple measurement functions • Automatic AC/DC function helps boost work efficiency • Measure DC voltages of up to 1700 V • Simultaneously measure inrush current in RMS and crest values • Expanded -25 °C to 65 °C operating temperature range • IP54 dustproof and waterproof enclosure *Jaws (current sensor portion): IP50 Data can be downloaded to tablets and smartphones using Hioki’s dedicated apps available from the Google Play or Apple Store. Search for “HIOKI” and download the “GENNECT Cross” app.
Model No. (Order Code)
| CM4372 | Built in Bluetooth(R) wireless technology |
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*For the latest information about countries and regions where wireless operation is currently supported, please visit the Hioki website. *The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by HIOKI E.E. CORPORATION is under license. *Android, Google Play and the Google Play logo are trademarks of Google Inc. *iOS is a registered trademark of Cisco Technology, Inc. and/or its affiliates in the United States and certain other countries. *iPhone, iPad, iPad mini, iPad Pro and iPod touch are trademarks of Apple Inc. *Apple and the Apple logo are trademarks of Apple Inc. App Store is a service mark of Apple Inc.
How to Use Hioki Clamp Meters: Using the Wireless Feature to Display Data on a Mobile Device
Measured values captured by the Hioki CM4372 and CM4374 AC/DC Clamp Meters can be displayed and saved onto a mobile device wirelessly. The results can also be used to create automatic reports. Simply install the free GENNECT Cross app onto your mobile device and connect to the Hioki clamp meters. Reports created on your mobile device can even be e-mailed to the office to further increase work efficiency. Bluetooth wireless technology is available in North America, the EU, Japan and other countries. For an updated list of supported countries, please go to www.hioki.com.
CM4370 Series Clamp Meters Product Video
Key Features • Send measured values to a smartphone or tablet using Bluetooth® wireless technology Search for "HIOKI" and download "GENNECT Cross"! • Multiple measurement functions such as current, voltage, resistance, frequency, and voltage detection • Simultaneously measure inrush current in RMS and crest values • Damage-resistant jaws (current sensor) provide even more years of reliable use. • Expanded -25 °C to 65 °C operating temperature range • IP54 dustproof and waterproof enclosure *Jaws (current sensor portion): IP50 • Automatic AC/DC function helps boost work efficiency • Remain alert to hazards with a red backlight and beeping tone • Measure DC voltages of up to 1700 V
How to Use the Hioki CM4370 Series Clamp Meters
Auto Hold Function:
The Auto Hold feature is perfect in situations where the display is hard to read because the clamped wires are in hard to reach locations. With Auto Hold, measured results automatically freeze on the display until the next measurement starts, making testing and record taking a snap.
How to Use the Hioki CM4370 Series Clamp Meters
AC Voltage Detection Function:
The tip of the current sensor of the CM4370 Series can also detect live voltages, eliminating the need for you to use a separate voltage detector. Energized lines are identified with a loud buzzer and red LED on the clamp meter.
Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| DC Current | 20.00 A/600.0 A, Basic accuracy: ±1.3% rdg. ±0.08 A (20 A range) |
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| AC Current | 20.00 A/600.0 A (10 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: ±1.3% rdg. ±0.08 A (at 20 A) |
| Crest factor | 20.00 A range: 7.5, 600.0A range: 3 or less |
| DC+AC Current | 20.00 A/600.0 A (10 Hz to 1 kHz, True RMS), Basic accuracy DC, 45-66 Hz: ±1.3% rdg. ±0.13 A (at 20 A) |
| DC Voltage | 600.0 mV to 1500 V, 5 ranges, Basic accuracy: ±0.5% rdg. ±0.5 mV (at 600 mV) |
| AC Voltage | 6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS), Basic accuracy: ±0.9% rdg. ±3 dgt. |
| DC+AC Voltage | 6.000 V to 1000 V, 4 ranges, Basic accuracy: ±1.0% rdg. ±7 dgt. |
| Resistance | 600.0 Ω to 600.0 kΩ, 4 ranges, Basic accuracy: ±0.7% rdg. ±5 dgt. |
| Electrostatic capacity | 1.000 μF to 1000 μF, 4 ranges, Basic accuracy: ±1.9% rdg. ±5 dgt. |
| Frequency | 9.999 Hz to 999.9 Hz, Basic accuracy: ±0.1% rdg. ±1 dgt. |
| Temperature (K) | -40.0 to 400.0 ˚C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0 ˚C |
| Voltage detection | Hi: 40 V to 600 V AC, Lo: 80 V to 600 V AC, 50/60 Hz |
| Other functions | Automatic AC/DC detection, Plus/Minus judgement function of DC A, DC V, Max/Min/Average/PEAK MAX/ PEAK MIN value display, Filter function, Display value hold, Auto hold, Back light, Auto-power save, Buzzer sounds, Zero-adjustment |
| Dustproof, waterproof | Grip: IP54 (when measuring an insulated conductor only), Jaw (the current sensor portion of the instrument)/ barrier: IP50 *Risk of electric shock from the conductor being measured increases when wet. |
| Interface | Bluetooth® 4.0LE (Bluetooth® SMART), Supported devices: iOS 8 or later, Android™ 4.3 or later 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 ×2, Continuous use: 24 hr (Backlight OFF, Bluetooth® ON), 45 hr (Backlight OFF, Bluetooth® OFF) |
| Core jaw diameter | 69 mm (2.72 in) W× 14 mm (0.55 in) D, φ33 mm (1.30 in) |
| Dimensions and mass | 65 mm (2.56 in) W × 215 mm (8.46 in) H × 35 mm (1.38 in) D mm, 340 g (12.0 oz) |
| Accessories | TEST LEAD L9207-10, CARRYING CASE C0203, LR03 Alkaline battery ×2, Instruction Manual ×1, Precautions Concerning Use of Equipment that Emits Radio Waves ×1 |
Countries and regions where wireless operation is currently supported (CM4372, CM4374)Last updated: Aug. 31, 2018
| 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, Thailand, Singapore, China, Korea, Philippines, Australia, New Zealand, Chile, Serbia, and Mexico |
|---|---|
| Exempt from the wireless regulations | Viet Nam, Hong Kong, Macao, India, Russian Federation, Colombia, Pakistan, Vanuatu, Peru, and Georgia |
Log into your myHioki account to access more technical documents and information where available.
Seminar Videos On Demand
| No results were found. |
Seminar Schedule
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IEM ASEAN Electrotechnical Symposium & Exhibition 2018 - Kuala Lumpur |
Dec 4, 2018 - Dec 5, 2018 |
Catalogs
| Catalog: GENNECT CROSS SF4071, SF4072 | Download PDF [2MB] |
English |
| Catalog: CLAMP ON HiTESTER Series | Download PDF [3MB] |
English |
| Catalog: AC/DC CLAMP METER, AC CLAMP METER, CM4000 series | Download PDF [4MB] |
English |
User Guides
| No results were found. |
Manuals
| Instruction Manual |
English |
Ver.03 | |
| Instruction Manual |
Korean |
Ver.01 | |
| Instruction Manual |
English Spanish German French |
Ver.01 | |
| Instruction Manual |
Simplified Chinese |
Ver.03 | |
| Instruction Manual |
Japanese English |
Ver.07 |
Outline Drawings
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AC/DC CLAMP METER CM4372,CM4372-20,CM4372-21,CM4372-30,CM4372-31,CM4372-40 [131KB] |
Ver.03 |
Technical Notes
Declaration of Conformity
|
AC/DC CLAMP METER CM4371,CM4372,CM4373,CM4374 [110KB] |
Ver.04 |
Drivers, Firmware
| GENNECT Cross for Windows | Freeware | V2.11 |
Others
| No results were found. |
Options
Test leads
Options for the L9207-10 (L9207-10 is a bundled accessory)
TEST LEAD L9207-10
90 cm (2.95 ft) length
CONTACT PIN SET L4933
Attaches to the tip of the Test Lead L9207-10/DT4911, L9206, 60V DC/ 30V AC
SMALL ALLIGATOR CLIP SET L4934
Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300V, CAT II 600V
Options for Test leads
Options for the L4930, Test Pin Set L4932 is required when using the Small Alligator Clip Set L4934
CONNECTION CABLE SET L4930
1.2 m (3.94 ft) length
EXTENSION CABLE SET L4931
Expands the length of the cable with banana plug, 1.5 m (4.92 ft) length
TEST PIN SET L4932
Attaches to the tip of the banana plug cable, CAT IV 600V, CAT III 1000V
SMALL ALLIGATOR CLIP SET L4934
Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300V, CAT II 600V
ALLIGATOR CLIP SET L4935
Attaches to the tip of the banana plug cable, CAT IV 600V, CAT III 1000V
BUS BAR CLIP SET L4936
Attaches to the tip of the banana plug cable, CAT III 600V
MAGNETIC ADAPTER SET L4937
Attaches to the tip of the banana plug cable, CAT III 1000V
TEST PIN SET L4938
Attaches to the tip of the banana plug cable, CAT III 600V
GRABBER CLIP 9243
Attaches to the tip of the banana plug cable, Red/ Black: 1 each, 196 mm (7.72 in) length, CAT III 1000 V
BREAKER PIN SET L4939
Attaches to the tip of the banana plug cable, CAT III 600V
Temperature measurement
THERMOCOUPLES(K) DT4910
K type, tip exposed, 0.3 mm (0.01 in) diameter, 80 cm (2.62 ft) length, -40 to 260 °C (-40 to 500 °F), tolerance ±2.5 °C
Other options
Bundled accessory
CARRYING CASE C0203
PC peripherals
For the CM4372, CM4374 only
GENNECT CROSS SF4071, SF4072
• Mobile app for iOS, Android • Improve efficiency of operations that repeat measurement and recording
Gallery
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