Hioki 3280-1 OF Instruction Manual
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Hioki 3280-1 OF Instruction Manual

Ac clamp meter
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3280-10F
3280-20F
AC CLAMP METER
May 2016 Edition 1  
3280H981-00 (H980-00) 16-05H
Visit us at www.TestEquipmentDepot.com
   Instruction Manual
5 Commonwealth Ave
Woburn, MA 01801
Phone 781-665-1400
Toll Free 1-800-517-8431

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Summary of Contents for Hioki 3280-1 OF

  • Page 1    Instruction Manual 3280-10F 3280-20F AC CLAMP METER May 2016 Edition 1   3280H981-00 (H980-00) 16-05H 5 Commonwealth Ave Woburn, MA 01801 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...
  • Page 2 CT6280 3280H981-00 Measure-1...
  • Page 3 Measure-2...
  • Page 4 Black (−) Red (+) Red (+) Black (−) Measure-3...
  • Page 5 Measure-4...

  • Page 7: Table Of Contents

    Contents Introduction ..........1 Safety Notes ..........1 Inspection Before Measurement ....8 Maintenance/Inspection ......9 Insert/Replace Batteries ......9 Functions ..........10 Parts Names ...........11 Specifi cations ........13 General Specifi cations ......13 Basic Specifi cations ......15 Function Specifi cations ......17 Accuracy Specifi cations ......17 3280H981-00 EN-i...
  • Page 8 Contents EN-ii...

  • Page 9: Introduction

    Introduction Introduction Thank you for purchasing the Hioki 3280-10F, 3280-20F AC Clamp Meter. To obtain maximum performance from the instrument, please read this manual fi rst, and keep it handy for future reference. Average value measurement RMS conversion 3280-10F model...
  • Page 10 Safety Notes Risk of electric shock Prohibited actions Actions that must be performed Symbols affi xed to the device Precaution or hazard (See corresponding topic.) Risk of electric shock Protected throughout by double insulation or reinforced insulation Device may be connected to or disconnected from a live conductor Flexible sensors can be connected to or disconnected from live conductors when...
  • Page 11 Safety Notes Measurement categories This instrument’s current measurement part conforms to the safety requirements for CAT III 600 V, and the voltage measurement part conforms to the safety requirements for CAT II 600 V, CAT III 300 V measuring instruments. Distribution panel Service entrance Internal wiring...
  • Page 12 Safety Notes WARNING • To avoid electric shock, short circuits and damage to the instrument, disconnect the test leads from the measurement object before switching the rotary switch. • To prevent electric shock, when measuring the voltage of a power line use a test lead that satisfi...
  • Page 13 Safety Notes WARNING • Installing the instrument in inappropriate locations may cause a malfunction of instrument or may give rise to an accident. Avoid the following locations: • Exposed to direct sunlight or high temperature • Exposed to corrosive or combustible gases •...
  • Page 14 Safety Notes WARNING • Since there is a risk of electric shock, check that the insulation on the test lead and fl exible sensor (optional) are neither ripped nor torn, and no metal conductor inside the wire are exposed before using the instrument. If damaged, replace them with those specifi...
  • Page 15 Safety Notes CAUTION Do not place foreign objects between the jaw tips (or fl exible loop couplings) or insert foreign objects into the gaps of the jaws (or fl exible loop couplings). Doing so may worsen the performances of the sensor or interfere with clamping action.

  • Page 16: Inspection Before Measurement

    If you fi nd any damage, contact your authorized Hioki distributor or reseller. • If damage is suspected, check the section below before contacting your authorized Hioki distributor or reseller. Check that the test lead is not broken.

  • Page 17: Maintenance/Inspection

    Maintenance/Inspection Maintenance/Inspection Cleaning • Measurements are degraded by dirt on the mating surfaces of the jaw (or fl exible loop coupling), so keep the surfaces clean by gently wiping with a soft, dry cloth. • To clean the device, wipe it gently with a soft cloth moistened with water or mild detergent.

  • Page 18: Functions

    Functions Functions Auto power-saving function Display will automatically turn off if the instrument is not used for 30 min. To resume instrument operation in the previous state, select the “OFF” position with the rotary switch and then move the switch to the desired function. To cancel auto power-saving function Select the desired function with the rotary switch while holding down...

  • Page 19: Parts Names

    Parts Names Parts Names Example: 3280-10F Front Rear Barrier Operation grip LCD Display HOLD (Press to hold the display value.) Rotary switch Battery cover Measurement terminal Test lead or fl exible sensors plug Test leads Sleeves (Red) (Black) EN-11...
  • Page 20 Parts Names AC Flexible Current Sensor (optional) Flexible loop (Approx.  7 mm) Instruction plate EN-12...

  • Page 21: Specifi Cations

    Specifi cations Specifi cations Accuracy We defi ne measurement tolerances in terms of rdg. (reading) and dgt. (digit) values, with the following meanings: rdg. The value currently being measured and (reading or indicated on the measuring instrument. displayed value) The smallest displayable unit on a digital dgt.
  • Page 22 Specifi cations −25°C to 65°C (−13°F to 149°F), Storage temperature 80% RH or less (no condensation) and humidity Dustproof and IP40 (EN60529) waterproof Drop-proof 1 m on concrete distance Standards Safety: EN61010 EMC: EN61326 Power supply CR2032 Coin-shaped lithium battery ×1 (3 V DC) Maximum rated power: 15 mVA Continuous...

  • Page 23: Basic Specifi Cations

    Specifi cations Options • CT6280 AC Flexible Current Sensor (Attachment is included) • 9209 Test Leads Holder • L4933 Contact Pin Set (Can be connected to the tip of the L9208, which comes with the instrument.) • L4934 Small Alligator Clip Set (Can be connected to the tip of the L9208, which comes with the instrument.)
  • Page 24 Specifi cations • 3280-10F: Average value measurement measurement RMS method method • 3280-20F: True RMS measurement method Display update 400 ms±25 ms rate −40 dB or more Noise rejection NMRR DCV characteristics (50 Hz/60 Hz) −100 dB or more CMRR DCV (50 Hz/60 Hz, Ω...

  • Page 25: Function Specifi Cations

    (Number of jaw and fl exible loop open/ accuracy close cycles: 10,000 or less) • Guaranteed accuracy period after adjustment made by Hioki: 1 year • Temperature and humidity for guaranteed accuracy: 23°C±5°C (73.0°F±9.0°F), 80% RH or less • Temperature characteristic: Measurement accuracy ×...
  • Page 26 Specifi cations AC Current - Jaw (3280-20F) Accuracy Accuracy 40 Hz ≤ f < 45 Hz ≤ f ≤ 66 Hz < f ≤ Range range 45 Hz 66 Hz 1 kHz 4.00 A to 42.00 A 41.99 A 40.0 A to ±2.0% rdg.
  • Page 27 Specifi cations AC Current - Flexible loop (3280-20F) Accuracy Accuracy 40 Hz ≤ f < 50 Hz ≤ f ≤ 60 Hz < f ≤ Range range 50 Hz 60 Hz 1 kHz 40.0 A to 420.0 A 419.9 A ±3.5% rdg.
  • Page 28 Specifi cations DC Voltage Input Range Accuracy range Accuracy impedance Ω ±2.5% rdg. 100 M 420.0 mV 40.0 mV to 419.9 mV ±5 dgt. more Ω 4.200 V 0.400 V to 4.199 V 11 M ±5% Ω 42.00 V 4.00 V to 41.99 V 10 M ±5% ±1.0% rdg.
  • Page 29 13-09...
  • Page 30 5 Commonwealth Ave Woburn, MA 01801 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...

This manual is also suitable for:

3280-20f3280-10f

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