1. Gwybodaeth Diogelwch
Read this manual thoroughly before using the HIOKI IR4051-10 Digital Insulation Tester and HIOKI 3280-10F AC Clamp Meter. Improper operation can lead to injury or damage to the instruments. Keep this manual in a safe place for future reference.
Rhagofalon Diogelwch Cyffredinol
- Always observe local and national safety regulations.
- Do not use the instruments if they appear damaged or are operating abnormally.
- Ensure correct measurement range selection before testing.
- Wear appropriate personal protective equipment (PPE), such as insulated gloves and eye protection.
- Avoid touching live circuits with bare hands or non-insulated parts of the test leads.
- Disconnect power to the circuit before connecting or disconnecting test leads for resistance or continuity measurements.
- Do not exceed the maximum input ratings for each function.
2. Cynnyrch Drosview
This manual covers the operation of two HIOKI electrical measurement instruments: the IR4051-10 Digital Insulation Tester and the 3280-10F AC Clamp Mesurydd.
2.1 HIOKI IR4051-10 Digital Insulation Tester
The HIOKI IR4051-10 is a 5-range digital insulation resistance tester designed for ease of use and durability. It features stable and high-speed measurements, a comparator function with a 0.8-second response time, and a robust, drop-proof design capable of withstanding a 1-meter fall onto concrete. It includes a high-brightness white LED backlight for improved visibility in dark environments and a test lead with an integrated light. The device also offers a 200mA continuity check function and DC voltage measurement capabilities, making it suitable for various electrical testing applications, including solar power systems and electric vehicles.

Figure 2.1.1: HIOKI IR4051-10 Digital Insulation Tester with test leads.

Figure 2.1.2: HIOKI IR4051-10 Digital Insulation Tester with open case for lead storage.
2.2 HIOKI 3280-10F AC Clamp Mesurydd
The HIOKI 3280-10F is a thin and robust AC clamp meter, an essential tool for electricians. It allows for easy measurement of AC current, AC voltage, DC cyftage, resistance, and continuity. Its compact design with a jaw thickness of 9.5mm enables measurements in confined spaces. The meter supports an optional AC flexible current sensor (CT6280) for enhanced versatility and features an expanded operating temperature range for use in diverse environments.

Figure 2.2.1: HIOKI 3280-10F AC Clamp Mesurydd.

Figure 2.2.2: HIOKI 3280-10F AC Clamp Meter with accessories.
3. Gosod
3.1 HIOKI IR4051-10 Digital Insulation Tester
Gosod Batri
- Sicrhewch fod yr offeryn wedi'i bweru OFF.
- Lleolwch yr adran batri ar gefn yr uned.
- Agorwch y clawr batri.
- Insert four (4) AA alkaline batteries (LR6), observing correct polarity.
- Caewch y clawr batri yn ddiogel.
Cysylltu Arweinwyr Prawf
- Connect the red test lead to the LINE terminal and the black test lead to the EARTH terminal.
- Sicrhewch fod y cysylltiadau'n gadarn ac yn ddiogel.
3.2 HIOKI 3280-10F AC Clamp Mesurydd
Gosod Batri
- Sicrhewch fod yr offeryn wedi'i bweru OFF.
- Lleolwch y compartment batri.
- Agorwch y clawr batri.
- Insert one (1) CR2032 coin-type lithium battery, observing correct polarity.
- Caewch y clawr batri yn ddiogel.
Cysylltu Arweinwyr Prawf
- Cysylltwch yr arweinydd prawf coch â'r derfynell VΩ a'r arweinydd prawf du i derfynell COM.
- Sicrhewch fod y cysylltiadau'n gadarn ac yn ddiogel.
4. Cyfarwyddiadau Gweithredu
4.1 HIOKI IR4051-10 Digital Insulation Tester
Mesur Gwrthiant Inswleiddio
- Turn the rotary switch to the desired insulation resistance voltage (50V, 125V, 250V, 500V, neu 1000V).
- Cysylltwch y prawf yn arwain at y gylched dan brawf.
- Press and hold the MEASURE button. The measurement will begin, and the result will be displayed.
- Release the MEASURE button to stop the measurement. The circuit will automatically discharge.
DC Cyftage Mesur
- Turn the rotary switch to the 'V.' position.
- Connect the test leads across the DC voltage ffynhonnell.
- Mae'r DC cyftagbydd gwerth e yn cael ei arddangos.
AC Cyftage Mesur
- Turn the rotary switch to the 'V.' position. The meter will automatically detect AC or DC.
- Cysylltwch y gwifrau prawf ar draws y cyfaint ACtage ffynhonnell.
- Mae'r AC cyftagbydd gwerth e yn cael ei arddangos.
Low Resistance Measurement (Continuity Check)
- Turn the rotary switch to the 'Ω' position.
- Connect the test leads to the circuit or component to be checked.
- The resistance value will be displayed. If the resistance is below a certain threshold (e.g., 6Ω), the continuity buzzer will sound.
4.2 HIOKI 3280-10F AC Clamp Mesurydd
AC Mesur Cyfredol
- Turn the rotary switch to the 'A~' position.
- Agorwch y clamp jaws and enclose a single conductor. Ensure the jaws are fully closed.
- The AC current value will be displayed.
AC Cyftage Mesur
- Turn the rotary switch to the 'V~' position.
- Connect the test leads in parallel to the AC voltage ffynhonnell.
- Mae'r AC cyftagbydd gwerth e yn cael ei arddangos.
DC Cyftage Mesur
- Turn the rotary switch to the 'V=' position.
- Connect the test leads in parallel to the DC voltage source, observing polarity.
- Mae'r DC cyftagbydd gwerth e yn cael ei arddangos.
Mesur Gwrthiant
- Turn the rotary switch to the 'Ω' position.
- Gwnewch yn siŵr bod y gylched wedi'i dad-egni.
- Cysylltwch y gwifrau prawf ar draws y gydran i fesur gwrthiant.
- The resistance value will be displayed.
Gwiriad Parhad
- Turn the rotary switch to the 'Ω' position.
- Gwnewch yn siŵr bod y gylched wedi'i dad-egni.
- Cysylltwch y gwifrau prawf ar draws y gylched neu'r gydran.
- If continuity exists (resistance below threshold), the buzzer will sound.
5. cynnal
Amnewid Batri
Replace batteries when the low battery indicator appears on the display. Refer to the 'Battery Installation' section for specific instructions for each model.
Glanhau
Wipe the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampened with water and a mild detergent, then wipe dry. Do not use abrasive cleaners or solvents.
Storio
When not in use for extended periods, remove the batteries to prevent leakage and store the instruments in a cool, dry place away from direct sunlight and extreme temperatures.
6. Datrys Problemau
Dim Pwer
- Gwiriwch a yw'r batris wedi'u gosod yn gywir a bod digon o wefr arnynt. Amnewidiwch os oes angen.
- Ensure the rotary switch is not in the 'OFF' position.
Darlleniadau Anghywir
- Verify the correct measurement function and range are selected.
- Ensure test leads are properly connected and not damaged.
- Check for external interference or strong magnetic fields affecting the measurement.
- Ar gyfer clamp meter, ensure only one conductor is enclosed within the jaws for current measurement.
Arddangos Ddim yn Gweithio
- Check battery condition and replace if needed.
- If the issue persists after checking batteries, contact customer support.
7. manylebau
7.1 HIOKI IR4051-10 Digital Insulation Tester
| Nodwedd | Manyleb |
|---|---|
| Rated Measurement Voltage | DC 50V / 125V / 250V / 500V / 1000V |
| Effective Max Display Value | 100 MΩ / 250 MΩ / 500 MΩ / 2000 MΩ / 4000 MΩ |
| Cywirdeb | ±4%dg. |
| DC Cyftage Mesur | 4.2V to 600V (4 ranges), Accuracy: ±1.3%rdg. ±4dgt. |
| AC Cyftage Mesur | 420V / 600V (2 ranges), 50/60 Hz, Accuracy: ±2.3%rdg. ±8dgt. |
| Low Resistance (Continuity) | 10 Ω to 1000 Ω (3 ranges), Basic Accuracy: ±3%rdg. ±2dgt. |
| Response Time (Comparator) | Tua. 0.8 eiliad |
| Gollwng Prawf | 1 metr ar goncrit |
| Cyflenwad Pŵer | AA alkaline batteries (LR6) x 4 |
| Amser Defnydd Parhaus | 20 hours (under specified conditions) |
| Dimensiynau | 159 W × 177 H × 53 D mm |
| Pwysau | 600 g (including batteries, excluding test leads) |
| Affeithwyr yn cynnwys | Test lead L9787, Neck strap, Instruction manual, AA batteries |
7.2 HIOKI 3280-10F AC Clamp Mesurydd
| Nodwedd | Manyleb |
|---|---|
| AC Measurement Method | Average value method (MEAN) |
| Measurable Conductor Diameter | φ33mm (Jaw thickness 9.5mm) |
| Max Rated Voltage i'r Ddaear | Clamp sensor: CAT IV 300V, CAT III 600V; Voltage terminals: CAT III 300V, CAT II 600V |
| AC Cyfredol | 42.00A / 420.0A / 1000A (±1.5% rdg. ±5dgt) |
| AC Cyftage | 4.200V to 600V (4 ranges), Accuracy: ±1.8% rdg. ±7dgt |
| DC Cyftage | 420.0mV to 600V (5 ranges), Accuracy: ±1.0% rdg. ±3dgt |
| Gwrthsafiad | 420.0Ω to 42.00MΩ (6 ranges), Accuracy: ±2.0% rdg. ±4dgt |
| Gwiriad Parhad | 420.0Ω (Accuracy: ±2.0% rdg. ±4dgt) |
| Tymheredd / Lleithder Gweithredol | -25℃ to 85℃, 80%RH or less (no condensation) |
| Gollwng Prawf | 1 metr ar goncrit |
| Llwch/Dŵr | IP40 |
| Cyflenwad Pŵer | CR2032 coin-type lithium battery x 1 |
| Amser Defnydd Parhaus | Tua. 120 awr |
| Dimensiynau | 57 W × 175 H × 16 D mm |
| Pwysau | 100 g |
| Affeithwyr yn cynnwys | Carrying case 9398, Test lead L9208, Lithium battery CR2032, Instruction manual |
8. Gwarant a Chefnogaeth
Gwybodaeth Gwarant
- HIOKI IR4051-10 Digital Insulation Tester: 1-year accuracy guarantee period.
- HIOKI 3280-10F AC Clamp Mesurydd: 3-year product warranty period, with a 1-year accuracy guarantee period after adjustment.
Please retain your purchase receipt as proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
Cefnogaeth i Gwsmeriaid
For technical assistance, troubleshooting, or warranty service, please contact HIOKI customer support through their official website or authorized service centers. Refer to the contact information provided in the original product packaging or on the HIOKI official websafle.