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20A to 2000A AC/DC Clamp Meter System with Waveform Output Function and Wide 1.00Hz to 1000Hz Bandwidth



Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology CLAMP ON AC

The 3290 and 3290-10 feature detachable clamp sensors to offer a maximum 2000A current range

Order Code

3290-10 with integral current measurement
CECAT III 600 V For Clamp Sensor

Key Features

• Choose from three sensors Measure up to 100 A, 200 A, or 2000 A rated current

• Correctly measure for inverter current with AC+DC mode and True RMS rectification

• Choice of output (Simultaneous output): Effective value, waveform, frequency, and integral value output

• Choice of response time with three steps

• Model 3290-10 supports current integration and operating ratio measurements

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year) CLAMP ON AC

3290 3290-10

Measurement modes


DC, AC+DC (True RMS), AC (True RMS/ Average rectified)


DC, AC+DC (True RMS), AC (True RMS)


Peak value display


Absolute value (of waveform peak)


Polarities independently (±peak value of waveform, in DC mode)


Separate AC/DC output


Separate constituent element of AC, DC




Output (terminal 1)


Current waveform or true RMS value (2 V / setting range), Frequency value (1 VDC / setting range)


Current waveform or true RMS value (2 V / setting range)


Output (terminal 2)


Rms current/Low-battery warning switch


Current integral value (1 VDC / setting range)


Integral current measurement




±, +, – integral, average value


Rate measurement




Operating time rate, total measurement time


Timer settings




99 h, 59 min. (for repeated up to 20 times)


Data storage




Peak, integral value, operating time rate, or other


Basic accuracy at DC current


20.00/ 100.0A (using the CT9691 sensor): ±1.3 % rdg. ±0.10 A/ ±0.5 A
20.00/ 200.0A (using the CT9692 sensor): ±1.3 % rdg. ±0.10 A/ ±0.5 A
200.0/ 2000A (using the CT9693 sensor): ±1.8 % rdg. ±1.0 A/ ±5 A


Basic accuracy at AC current (45 to 66 Hz)

20.00/ 100.0A (using the CT9691 sensor): ±1.3 % rdg. ±0.08 A/ ±0.3 A
20.00/ 200.0A (using the CT9692 sensor): ±1.3 % rdg. ±0.08 A/ ±0.3 A
200.0/ 2000A (using the CT9693 sensor): ±1.3 % rdg. ±0.8 A/ ±3 A

Voltage measurement




Frequency measurement


1.00Hz to 1000Hz, Basic accuracy: ±0.3% rdg. ±1dgt.


Crest factor


2.5 or less, or rated peak value of sensor


Frequency characteristics


DC, or 1 Hz to 1 kHz (accuracy guaranteed range)
At monitor output: based on the using sensor


Other functions


Switching measurement response speed, Turning the filter on/off (fc=550 Hz)


Power supply


LR6 (AA) alkaline batteries ×4, Continuous use : 22 hr, or AC adapter 9445-02/ -03 (The 3290-10 only: +8.4 to 15.6 V DC external power supply possible)


Dimensions and mass


155 mm (6.10 in) W × 98 mm (3.86 in) H × 47 mm (1.85 in) D, 545 g (19.2 oz)




Strap ×1, LR6 (AA) alkaline batteries × 4, Instruction manual ×1


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Contact ACA TMetrix Inc.


3585 Laird Road, Unit 15 & 16, Mississauga ON L5L 5Z8

Phone: 1-800-665-7301

Fax: 1-905-890-1959

Email: info@tmetrix.com

About ACA TMetrix Inc.

ACA TMetrix Inc. is a leading supplier of test instruments and design tools in Canada. For over 50 years we have provided services and support for products that are manufactured by the world's leading instrument suppliers.

TMetrix Ltd. is Part of the ACA Group of Companies. Allan Crawford Associates (ACA), is one of Canada's largest distributors of electronic components, test equipment, and scientific solutions.

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