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Hioki CM4374 AC/DC Clamp Meter 2000A w/ Bluetooth
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Jual Hioki CM4374 AC/DC Clamp Meter 2000A w/ Bluetooth

Spesifikasi Hioki CM4374 AC/DC Clamp Meter 2000A w/ Bluetooth

Hioki CM4374 AC/DC Clamp Meter 2000A w/ Bluetooth

True RMS 2000 A AC/DC Clamp Meter with Bluetooth Wireless Technology for Advanced Applications and the Toughest Situations

Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4374 is a 2000A 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.

This instrument is a clamp meter that can perform true RMS measurement of current simply by clamping it around a circuit. In addition to current, it provides voltage measurement, frequency measurement, rush current measurement, resistance measurement, diode measurement, capacitance measurement, temperature measurement, voltage detection, and DC power measurement. The CM4372 and CM4374 also provide Bluetooth communications functionality, allowing measurement data to be monitored and logged from a smartphone or tablet.

Rugged clamp meters for the toughest situations

The CM4370 Series surpassed the requirements of numerous durability tests to deliver safety, confidence and peace of mind.


Damage-resistant jaws Guaranteed for 30,000 open-close cycles
A revised design features stronger jaws (the current sensor portion of the instrument) and a dramatic boost in the duration of the warranty from 10,000 to 30,000 open-close cycles to ensure the instrument will provide even more years of reliable use.


Clamp open/ close test
In this test, the jaws are opened and closed a specified number of times at the rate of one cycle per second. In addition, the test is continued until the jaws break to provide a better understanding of their strength. Tests like this help us improve the instrument’s durability.


-25°C to + 65°C Expanded operating temperature range
Thanks to an operating temperature range that has been expanded from the previous design (which could be used from 0°C to 40°C), the CM4370 Series can be used in freezing temperatures or on the hottest summer days.


Temperature test
In this test, we verified that the clamp meter can operate for an extended period of time while taking normal measurement in the specified temperature range.


Dustproof and waterproof performance Enhanced environmental resistance
International Protection Code: IP54*
*Jaws (current sensor portion): IP50 Measurement functionality is maintained despite exposure to sand or dust as well as water droplets. Enhanced environmental resistance
Caution: The CM4370 Series’ waterproof enclosure is designed to enable the instrument to maintain its measurement functionality even when wet. Getting the instrument wet or measuring energized parts with wet hands increases risk of electric shock.


Dustproof and waterproof tests
In the dustproof test, the clamp meter’s enclosure is placed under reduced pressure and exposed to dust, and in the waterproof test, the instrument is sprayed with water from multiple directions in order to investigate how readily dust and water can get in.


CAT IV 600 V Expanded range of measurement targets
The CM4370 Series can safely measure service wires with a wire-to-ground volt- age of up to 600 V as well as wires found in distribution panels.
The clamp meter series features a safe design that can withstand a transient overvoltage of 8 kV in case of a lightning strike.



DC 1700 V Measure high DC voltages
The CM4370 Series can measure DC volt- ages of up to 1700 V, making them ideal for no-load voltage inspections of rapidly evolving solar power systems.


Safety test
Temperature of the various parts of the clamp meter was measured while 1700 V DC was applied in order to ensure that there is no risk of burns or other injury.



Giving shape to ease of use and intuitive operation




Clamp-on meter with Bluetooth

Making measurement more intelligent

The instruments listed below will be able to send measured values to a smartphone or tablet using Bluetooth ® wireless technology, enabling you to display measured values and waveforms in real time.



In The Box

  • TEST LEAD L9207-10
  • LR03 Alkaline battery ×2
  • Instruction Manual ×1
  • Precautions Concerning Use of Equipment that Emits Radio Waves ×1

Manufacturer Specs

Hioki CM4374 General Specifications
DC Current600.0 A/2000 A, Basic accuracy: ±1.3% rdg. ±3 dgt.
AC Current600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±3 dgt.
DC Voltage600.0 mV to 1500 V, 5 ranges, Basic accuracy: ±0.5% rdg. ±3 dgt.
AC Voltage6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS), Basic accuracy: ±0.9% rdg. ±3 dgt.
DC+AC Current600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±13 dgt.
DC+AC Voltage6.000 V to 1000 V, 4 ranges, Basic accuracy: ±1.0% rdg. ±7 dgt.
Resistance600.0 Ω to 600.0 kΩ, 4 ranges, Basic accuracy: ±0.7% rdg. ±5 dgt.
Electrostatic capacity1.000 μF to 1000 μF, 4 ranges, Basic accuracy: ±1.9% rdg. ±5 dgt.
Frequency9.999 Hz to 999.9 Hz, Basic accuracy: ±0.1% rdg. ±1 dgt.
Continuity checkContinuity threshold [ON]: 25Ω±10 Ω (Buzzor sound, red LED), Continuity threshold [OFF]: 245 Ω±10 Ω, Response time: 0.5 ms or more
DiodeOpen terminal voltage: DC2.0 V or less, Short-circuit current: 200 μA, forward connection: 0.15 V to 1.8 V
Temperature (K)-40.0 to 400.0 °C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0 °C
Voltage detectionHi: 40 V to 600 V AC, Lo: 80 V to 600 V AC, 50/60 Hz
DC PowerDisplay range switching: 0.000 kVA to 3400 kVA, Accuracy: ±2.0% rdg. ±20 dgt.
Crest factor[600.0 A range] 500.0 A or less: 3; greater than 500.0 A and less than or equal to 600.0 A: 2.5, [2000 A range] 1000 A or less: 2.84; greater than 1000 A and less than or equal to 2000 A: 1.42
Other functionsAutomatic 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, waterproofGrip: 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.
InterfaceBluetooth® 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
DisplayUpdate rate: 5 times/s (excluding electrostatic capacity, frequency, and temperature)
Power supplyLR03 Alkaline battery ×2, Continuous use: 24 hr (Backlight OFF, Bluetooth® ON), 45 hr (Backlight OFF, Bluetooth® OFF)
Core jaw diameter92 mm (3.62 in) W×18 mm (0.71 in) D, φ55 mm (2.17 in)
Dimensions and mass65 mm (2.56 in) W×250 mm (9.84 in) H×35 mm (1.38 in) D mm, 530 g (18.7 oz)
AccessoriesTEST LEAD L9207-10, CARRYING CASE C0203, LR03 Alkaline battery ×2, Instruction Manual ×1, Precautions Concerning Use of Equipment that Emits Radio Waves ×1

Tech Specs

Clamp Meters/Clamp Meters Template

TypeStandard Style
True RMSYes
Maximum Current AC2000 A
Minimum Current AC20 A (20000 mA)
Maximum Current DC2000 A
Minimum Current DC600 mA
Maximum Voltage AC1000 V
Minimum Voltage AC6 V (6000 mV)
Maximum Voltage DC1500 V
Minimum Voltage DC600 mV
Basic Voltage AccuracyDC: ±0.5% rdg. ±3 dgt.
AC: ±0.9% rdg. ±3 dgt.
Resolution AC Volts0.001 V
Resolution DC Volts0.1 mV (0.0001 V)
Resolution AC Current0.01 A
Resolution DC Current0.01 A
Auto Power OffYes
Temperature (K T/C)Yes
Diode TestingYes
CAT RatingIV
CAT Voltage600 V
Crest FactorYes

Test Equipment General Attributes

Warranty3 YEARS
Safety ApprovalCE
Product Height9.84 IN
Product Length12.95 IN
Product Width2.56 IN
HTS/Schedule B Number9030.33.3400
ECCN Number3A992
Battery TypeOther
Country of OriginJapan
Shipping Height2.50 IN
Shipping Length12.95 IN
Shipping Width5.95 IN


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