HIOKI CM4374 AC/DC Clamp Meter is the 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.
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
Basic Specifications
DC Current : 600.0 A/2000 A, Basic accuracy: ±1.3% rdg. ±0.3 A (600A range)
AC Current : 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±0.3 A (600A range)
Crest factor : 600.0 A range: 3 or less, 2000 A range: 2.84 or less
DC+AC Current : 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy DC, 45-66 Hz: ±1.3% rdg. ±1.3 A (at 600 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 O to 600.0 kO, 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 : 92 mm (3.62 in) W×18 mm (0.71 in) D, f55 mm (2.17 in)
Dimensions and mass : 65 mm (2.56 in) W×250 mm (9.84 in) H×35 mm (1.38 in) D mm, 530 g (18.7 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