CM4372 Acdc Clamp Meter

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)*1 Your instrument can be used to measure voltages in excess of 1000 V DC if and only if both of the following conditions are satisfied: 1. The circuit under measurement is isolated from the commercial power grid. 2. The circuit under measurement is isolated from ground.

DC Current range

20.00 A/600.0 A, Basic accuracy: +1.3% rdg. +0.08 A (20 A range)

AC Current range

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 range

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 range

600.0 mV to 1500 V (*1), 5 ranges, Basic accuracy: +0.5% rdg. +0.5 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: +0.9% rdg. +0.013 V (at 6 V)

DC+AC Voltage range

6.000 V to 1000 V, 4 ranges, Basic accuracy DC, 45 - 66 Hz: +1.0% rdg. +0.023 V (at 6 V)

Resistance range

600.0 Ω to 600.0 kΩ, 4 ranges, Basic accuracy: +0.7% rdg. +0.5 Ω (at 600 Ω)

Capacitance range

1.000 μF to 1000 μF, 4 ranges, Basic accuracy: +1.9% rdg. +0.005 μF (at 1 μF)

Frequency range

9.999 Hz to 999.9 Hz, 3 ranges, Basic accuracy: +0.1% rdg. +0.003 Hz (at 9.999 Hz)

Temperature (K)

-40.0 to 400.0 ˚C, add temperature probe accuracy to basic accuracy of +0.5% rdg. +3.0 ^oC

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, Supported devices: iOS, Android™ 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 x2, Continuous use: 45 hr (Backlight OFF, Bluetooth® OFF), 24 hr (Backlight OFF, Bluetooth® ON)

Core jaw diameter

φ33 mm (1.30 in), Jaw dimension: 69 mm (2.72 in) Wx 14 mm (0.55 in) D

Dimensions and mass

65 mm (2.56 in) W x 215 mm (8.46 in) H x 35 mm (1.38 in) D mm, 340 g (12.0 oz)

Accessories

TEST LEAD L9207-10, CARRYING CASE C0203, LR03 Alkaline battery x2, Instruction Manual x1, Precautions Concerning Use of Equipment that Emits Radio Waves x1

Countries and regions where wireless operation is currently supported (CM4372, CM4374)Last update: April 14, 2020

Wireless certification

Japan, United States, Canada, Austria, Belgium, 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, Mexico, Saudi Arabia, and Brazil

Exempt from the wireless regulations

Viet Nam, Hong Kong, Macao, Myanmar, Colombia, Peru, Georgia, and Kenya