Home Products AC CLAMP METER CM4141

AC CLAMP METER CM4141

Innovative Current Sensor Design
Easily Get Into Tight Spaces

Discontinued

Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4141 is a 2000 A 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 -25°C to 65°C 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.

CAT IV 600 V
CAT III 1000 V

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 φ55mm core diameter, the clamp meter’s 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 signficantly less effort and physical strain.

Key Features

  • CAT IV 600 V, CAT III 1000 V
    When using P2000: CAT III 2000 V, CAT IV 1000 V
  • Easily get into tight spaces between cables thanks to thin sensor with a minimum cross-section span of 11 mm
  • Measure up to 2000 A AC
  • AC A, AC and DC V, DC+AC V, resistance, frequency, and more
  • Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file (*1)
  • Harmonic analysis from 1st to 30th order with GENNECT Cross (*1)

Model No. (Order Code)

CM4141

Basic specifications

Accuracy guaranteed: 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: ±1.5% rdg. ±0.08 A (60 A range)
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 1000 V (When using P2000: 600.0 V to 2000 V)
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. 0.003 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. ±0.013 V (at 6 V)
Resistance range 600.0 Ω to 6.000 MΩ, 5 ranges, Basic accuracy: ±0.7% rdg. ±0.5 Ω (at 600 Ω)
Electrostatic capacity range 1.000 μF to 1000 μF, 4 ranges, Basic accuracy: ±1.9% rdg. ±0.005 μF (at 1 μF)
Frequency range Voltage: 9.999 Hz to 999.9 Hz 3 ranges, Current: 99.99 Hz to 999.9 Hz 2 ranges, Basic accuracy: ±0.1% rdg. ±0.01 Hz (at 99.99 Hz)
Temperature (K) -40.0 to 400.0 ˚C, Basic accuracy: ±0.5% rdg. ±3.0 ˚C + temperature probe accuracy
Harmonic levels [With Z3210 installed] Voltage/Current harmonic levels up to 30th, Content factor, Total harmonic distortion ratio
*Harmonics can be displayed with our free app GENNECT Cross.
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. Do not use when wet.)
IP50 (when measuring resistance, or current of an insulated conductor (completely dry), and in storage)
Power supply LR03 Alkaline battery ×2
Continuous use: approx. 48 hr (without Z3210 installed), approx. 24 hr. (with Z3210 installed and using wireless communications)
Other conditions: 100 A AC measurement, backlight off, 23°C reference value
Core jaw diameter φ55 mm (2.17 in), Jaw dimension: 82 mm (3.23 in) W × 11 mm (0.43 in) D (D dimension is a range value of 44 mm (1.73 in) from the tip of the jaw)
Smallest dimension of jaw cross-section 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 × 247 mm (9.72 in) H × 35 mm (1.38 in) D, 300 g (10.6 oz)
Included accessories Test Lead L9300 ×1, Carrying Case C0203 ×1, LR03 Alkaline battery ×2, Instruction Manual ×2, Operating Precautions ×1
  • *1:Your instrument can be used to measure voltages in excess of 1000V 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.
  • e.g.: When measuring the no-load voltage of an ungrounded PV panel
  • Do not use the instrument with circuits whose terminal-to-ground voltage exceeds 1000V. Doing so may result in electric shock.

Test leads (3)

L9300 is an included accessory

TEST LEAD L9207-10

Cable length: 90 cm (2.95 ft.)

TEST LEAD L9300

Cable length 95 cm (37.4 in.), Integrated cap and protective finger guard

DC HIGH VOLTAGE PROBE P2000

Learn more

• Safe inspection of solar installations with high voltage
• Enables high voltage measurement up to CAT Ⅲ 2000 V

Options for Test leads (for the L9207-10, L9300) (2)

Attach L9207-10 with the cap removed.
Slide the guard of L9300 and attach as measurement category II.

SMALL ALLIGATOR CLIP SET L4934

Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300 V, CAT II 600 V

CONTACT PIN SET L4933

Attaches to the tip of the Test Lead L9207-10/DT4911, L9206, 60V DC/ 30V AC

Options for Test leads (for the L4930) (11)

Test Pin Set L4932 is required when using the Small Alligator Clip Set L4934

EXTENSION CABLE SET L4931

Expands the length of L4930/4940, 1.5 m (4.92 ft) length

BREAKER PIN SET L4939

Attaches to the tip of the L4930/4940, CAT III 600 V

MAGNETIC ADAPTER 9804

Attaches to the tip of voltage cord, φ11 mm (0.43 in), compatible M6 pan screws

SMALL ALLIGATOR CLIP SET L4934

Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300 V, CAT II 600 V

TEST PIN SET L4938

Attaches to the tip of the L4930/4940, CAT III 600 V

BUS BAR CLIP SET L4936

Attaches to the tip of the L4930/4940, CAT III 600 V

MAGNETIC ADAPTER SET L4937

Attaches to the tip of the L4930/4940, CAT III 1000 V

TEST PIN SET L4932

Attaches to the tip of the L4930/4940, CAT IV 600 V, CAT III 1000 V

CONNECTION CABLE SET L4930

1.2 m (3.94 ft) length, CAT IV 600 V, CAT III 1000 V

ALLIGATOR CLIP SET L4935

Attaches to the tip of the L4930/4940, CAT IV 600 V, CAT III 1000 V

GRABBER CLIP L9243

Attaches to the tip of the banana plug cable, Red/Black: 1 each, 185 mm (7.28 in.) length, CAT II 1000 V

Temperature measurement (1)

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

Carrying case (2)

C0203 is an included accessory

CARRYING CASE C0203

CARRYING CASE C0207

Bag type

User Support