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Hioki 3280-90F Clamp On Hi Tester (TRMS) With CT6280 Flexible AC Clamp
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Jual Hioki 3280-90F Clamp On Hi Tester (TRMS) With CT6280 Flexible AC Clamp

Spesifikasi Hioki 3280-90F Clamp On Hi Tester (TRMS) With CT6280 Flexible AC Clamp

Hioki 3280-90F Clamp On Hi Tester (TRMS) With CT6280 Flexible AC Clamp

Measure 1000Amp AC Mean (TRMS) Current Hioki guaranteed quality. Three year warranty. Slim body design, allows easy clamping even for narrow conductors.

42A to 1000A AC Current Clamp Meters with Double Opening Jaw and Slim Profile to Get into the Narrowest Spaces

Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The 3280-10 and 3280-20 are our most popular clamp on meters, featuring a thin and compact clamp core that lets you get into the tightest spots.

True RMS vs. MEAN Value

Two ways to convert alternating current to RMS are “true RMS response” and “average rectified RMS response” (averaging). Both display the same value for a sine wave, but can display very different values for distorted waveform.




High-frequency waveform components are included in 
the calculated RMS display value.

The measured waveform is treated as a single-frequency
(undistorted) sine wave,and the calculated average of the
AC signal is converted to an RMS display value.
Measurement error increases with waveform distortion.
  • As inverters and switching power supplies proliferate, the need for the capability to measure distorted current waveforms grows.

A true RMS clamp-on current meter is the proper tool for accurate measurements.

Names and Functions of Parts



Operation gripThe clamp sensor at the same side as the pushed grip opens.
Function switchSwitching for OFF/AC current [~A] /AC voltage [~V]/DC volt-
age [ V]/Resistance, Continuity check [Ω/a ]
(Power is turned on in any position other than OFF.)
Test lead plugConnect the test lead plug to the measurement terminal of the
instrument for voltage measurement, resistance measurement
or continuity testing.
SAMP. F/S key
n For any function of [~A],[~V],[ V]:
Display update rate (FAST or SLOW) is switchable
If an indicated value fluctuates rapidly and is difficult to read,
a slower display update rate is available to make it easier to
read the indicated value.
(SLOW: about once every three seconds, unit on the LCD
panel flashes at the same time.)
n For [Ω/a ] function:
Resistance [Ω] or Continuity test [a ] is switchable
HOLD keyWhen press HOLD key, h appears in the display and the
digital display value is maintained. Press HOLD key again to
cancel the data HOLD function.

In The Box

  • 3280-20F AC Clamp On Hi Tester (TRMS)
  • CT6280 Flexible AC Clamp
  • Test leads 9208
  • Carrying Case 9398
  • Battery
  • Manual

Manufacturer Specs

Basic accuracy±1.5 % rdg. ±5 dgt. DC Voltage 419.9 mV to 600 V, 5 ranges,
Basic accuracy±1.0 % rdg. ±3 dgt. AC Voltage 4.199 V to 600 V, 4 ranges (45 to 500 Hz, TRMS),
Basic accuracy±1.8 % rdg. ±7 dgt. Crest factor N/A Resistance 419.9 Ω to 41.99 MΩ, 6 ranges,
Basic accuracy±2 % rdg. ±4 dgt.
Other functions ContinuityBuzzer sounds at 50 Ω ±40 Ω or less, Data hold, Auto power save, Drop-proof from height of 1 meter
Display LCDmax. 4199 dgt., Display refresh rate: 400 ms Environmental protection IP40 dustproof and waterproof
Power supplyCoin type lithium battery (CR2032) ×1, Continuous use 120 hours
Core jaw dia.φ 33 mm (1.30 in)
Dimensions and mass57 mm (2.24 in) W × 175 mm (6.89 in) H × 16 mm (0.63 in) D, 100 g (3.5 oz)
Accessories CARRYING CASE9398 ×1, TEST LEAD L9208 ×1, Coin type lithium battery (CR2032) ×1, Instruction manual ×1 CT6280
Basic specifications(Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year) Core jaw dia. φ 130 mm (5.12 in) (Cable cross-section diameter: 5 mm (0.20 in); tip cap diameter: 7 mm (0.28 in))
AC Current419.9 A/ 4199 A, 2 ranges (±3.0 % rdg. ±5 dgt.) Cable length 800 mm (31.5 in)

Tech Specs

Clamp Meters/Clamp Meters Template

TypeStandard Style
True RMSYes
Maximum Current AC1000 A 
Maximum Voltage AC600 V
Maximum Voltage DC600 V
Auto Power OffYes
CAT Voltage300 V

Test Equipment General Attributes

Unique FeaturesIncludes Flex Clamp, which extends range to 4199A AC.
Additional Info/Commentsw/CT6280 flex clamp attachment
Product Height2.25 IN
Product Length9.00 IN
Product Width3.50 IN
Country of OriginJapan
Shipping Height2.25 IN
Shipping Length9.00 IN
Shipping Width3.50 IN


Clamp Meter

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