|The FT6381 measures grounding resistance simply by clamping to|
multiple-grounded ground wires. No auxiliary grounding rod is
needed, and there is no need to disconnect the ground wire from
the grounding rod. The compact, low-profile sensor can be used
to clamp ground wires with ease, and also provide AC current
measurement functionality and can measure currents ranging from
leakage current on the order of several mA to load currents of
up to 60 A.
Model No. (Order Code)
Note: The application supports Android™ OS 2.1 or later,
CAT IV 600V, CAT III 1000V
• Display four parameters simultaneously
|A comment from the Good Design Award 2017|
“The CM3286/CM3286-01 offers an extensive range of measurement functionality in a compact footprint, most notably the ability to check for electricity theft in emerging nations. The award recognizes how the product has carried on Hioki’s proven clamp meter design while offering the functionality and ease of use that customers have come to expect from such instruments, along with a highly socially significant design that demonstrates an understanding of how workers check for electricity theft in emerging nations and applies the results of observing how such products are used in the field in order to create a more useful instrument. One hopes that the product will serve to eliminate the problem of electricity theft.”
Data can be downloaded to tablets and smartphones using Hioki’s dedicated apps available from the Google Play or App Store. (CM3286-01 only)
*Android, Google Play and the Google Play logo are trademarks of Google Inc.
|Broad measurement range|
Delivering a broad range of measurements at sites from manufacturing plants to households
Measure power in single-phase to balanced three-phase circuits (with estimated values)
Related parameters and connection locations shown on the display at once (Main parameter×1, Sub-parameter×3)
|Quick and easy data recording (CM3286-01 only)|
When you freeze the measured value, it is automatically transferred to a smartphone or tablet, eliminating the need to jot down readings by hand.
*Available for Android and iOS devices
|Simple wiring guide|
The CM3286 provides a simple on-screen guide indicating how to connect it to a 3-phase circuit.
|Built-in AUTO HOLD function|
The clamp meters beep when the measured value stabilizes and then automatically hold the display value.
|Double warnings with sound and light|
When the clamp power meter detects excessively over current or voltage input during a continuity check, it alerts you with a red backlight and beeping tone in order to help prevent accidents.
|Quickly check for unbalance|
The CM3286 can measure unbalanced power in a 3-phase/ 3-wire circuit by measuring the single-phase power twice and then automatically adding the results.
|Easily check power supply fluctuations|
Since it can display maximum (MAX), minimum (MIN), and average (AVG) values, the CM3286 is useful when you need to ascertain the magnitude of fluctuations.
|Support for large-diameter, high-current measurement|
The CM3286 can be used with the optional Clamp On Adapter 9290-10 to measure busbars of up to 55 mm in diameter or 80 × 20 mm.
|Accurately detect electricity theft|
The CM3286 is ideal for verifying electricity theft since it can measure both AC power and current.
● Meter tampering: Detect by comparing electric meter readings and measurements
● Direct theft: Detect by measuring current
|Electricity theft detection-and-report function (CM3286-01 only)|
The instrument’s electricity theft detection-and-report function can be used to quickly and easily make measurements and generate reports (CM3286-01 only).
Simply follow the measurement procedure to take measurements and photographs at four locations and the instrument will automatically generate a report, complete with photos.
Since the report is generated automatically in the field based on captured measurement data, it’s impossible for others to alter the data.
|Measurement line||Single-phase, Three-phase (balanced with no distortion)|
|Measurement items||Voltage, Current, Voltage/ current peak, Active/ reactive/ apparent power, Power factor, Phase angle *1, Frequency, Simple Active Energy Consumption (Single-phase) [CM3286-01 only*2] Voltage/ current harmonic levels|
|AC voltage range||[Measurement range] 80.0 V to 600.0 V, Single range,|
Basic accuracy 45 - 66 Hz: ±0.7% rdg. ±3 dgt.
(Frequency characteristics: 45 to 1 kHz, True RMS)
|AC current range||[Measurement range] 0.060 A to 600.0 A, 3 range, Basic accuracy:|
±1.3% rdg. ±3dgt. (Frequency characteristics: 45 to 1 kHz, True RMS)
|Power range||[Single phase] 0.005 kW to 360.0 kW|
Basic accuracy: ±2.0% rdg. ±7 dgt. (50/ 60 Hz, Power factor=1)
[Balanced three-phase 3-wire] 0.020 kW to 623.5 kW
Basic accuracy: ±3.0% rdg. ±10 dgt. (50/ 60 Hz, Power factor=1)
[Balanced three-phase 4-wire] 0.040 kW to 1080 kW
Basic accuracy: ±2.0% rdg. ±3 dgt. (50/ 60 Hz, Power factor=1)
|Harmonic levels (CM3286-01only *2)||Voltage/ current harmonic levels up to 30th, Content factor,|
Total harmonic distortion ratio
|Other functions||[Phase angle *1] lead -180.0° to lag 179.9°, [Power factor] -1.000 to 1.000 [Frequency] 45.0 Hz to 999.9 Hz, PEAK, Phase detection, Max / Min / Avg value display, Auto hold, electric meter comparison, unbalanced 3-phase power estimate display, etc.|
|Dustproof and waterproof||IP54 (EN60529) Grip, excluding lever|
Risk of electric shock from measured conductors increases when wet
|Interface||Bluetooth® 4.0LE, display measured values on an iOS or Android device|
|Power supply||LR03 Alkaline battery ×2, Continuous use: 25 hr (Backlight OFF)|
|Core jaw dia.||φ 46 mm (1.81 in)|
|Dimensions and mass||82 mm (3.23in) W × 241 mm (9.49in) H × 37 mm (1.46in) D, 450 g (15.9 oz)|
|Accessories||Connection cord L9257 ×1, LR03 Alkaline battery ×2, Carrying case C0203 ×1, Instruction manual ×1|
[CM3286-01 only]Notice Regarding Equipment That Emits Radio Waves ×1
|Wireless certification||Japan, United States, Canada, Austria, Belgium, Bosnia and Herzegovina, 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, Indonesia, Philippines, China, Korea, Chile, Serbia, and Mexico|
|Exempt from the wireless regulations||Viet Nam, Hong Kong, Macao, India, Russian Federation, Colombia, Pakistan, Peru, and Georgia|
|Catalog: GENNECT CROSS SF4071, SF4072||Download PDF [2MB]||English|
|Catalog: AC CLAMP POWER METER CM3286||Download PDF [4MB]||English|
|Catalog: AC CLAMP POWER METER CM3286 (Precisely identify electricity theft)||Download PDF [8MB]||English|
|Catalog: CLAMP ON HiTESTER Series||Download PDF [3MB]||English|
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