1. Ifihan
This manual provides essential instructions for the safe and effective use of the Hioki DT4252 Standard Digital Multimeter. The DT4252 is a True-RMS digital multimeter designed for general electrical applications, offering measurements for AC/DC voltage, AC/DC current, resistance, continuity, diode, capacitance, and frequency. Please read this manual thoroughly before operation to ensure correct usage and to prevent accidents.
2. Alaye Aabo
Always observe the following safety precautions to prevent electric shock, injury, or damage to the instrument.
- Má ṣe lo multimeter tí ó bá hàn pé ó ti bàjẹ́ tàbí tí àwọn ìdánwò náà bá ti bàjẹ́.
- Verify the function switch is in the correct position for the measurement being performed.
- Do not exceed the maximum input ratings for any function. The DT4252 is rated for 1000V AC/DC and 10A direct input.
- Lo iṣọra nigbati o ba n ṣiṣẹ pẹlu voltages loke 30V AC RMS, 42V tente oke, tabi 60V DC. Awọn wọnyi ni voltages duro a mọnamọna ewu.
- So okun idanwo ti a lopọ (COM) mọ nigbagbogbo ki o si ge asopọ rẹ nikẹhin.
- Ensure your hands are dry and use insulated gloves when necessary.
- Rọpo awọn batiri ni kiakia nigbati atọka batiri kekere ba han.
- Do not attempt to measure current on a circuit with voltage present without proper precautions and understanding of the circuit.
3. Package Awọn akoonu
Nigbati o ba ṣii package, rii daju pe gbogbo awọn nkan wa ati pe ko bajẹ:
- Hioki DT4252 Digital Multimeter
- Ṣeto Asiwaju Idanwo
- Awọn batiri AAA (x4)
- Ilana Afowoyi (iwe yii)
4. Ọja Ipariview
The Hioki DT4252 features a robust design with a clear digital display and intuitive controls.

olusin 1: Iwaju view of the Hioki DT4252 Digital Multimeter with its integrated kickstand extended, showing the display and rotary switch.

olusin 2: Iwaju view of the Hioki DT4252 Digital Multimeter, illustrating the display, function buttons, rotary switch, and input terminals.
4.1. Ifihan
The large LCD shows measurement values, units, and various indicators such as battery status, range, and function modes.
4.2. Awọn bọtini iṣẹ
- MU: Dii ti isiyi àpapọ kika. Tẹ lẹẹkansi lati tu silẹ.
- O pọju/MIN: Records the maximum and minimum values during a measurement. Press to cycle through MAX, MIN, and current reading.
- ÀYỌ: Activates a low-pass filter for stable readings in noisy environments.
- RANGE: Manually selects the measurement range. Press and hold to return to auto-ranging.
- REL (Relative): Ó ń wọn ìyàtọ̀ láàrín kíkà lọ́wọ́lọ́wọ́ àti iye ìtọ́kasí tí a tọ́jú.
- Bọtini Imọlẹhin: Mu ina ẹhin ifihan ṣiṣẹ fun ilọsiwaju hihan ni awọn ipo ina kekere.
4.3. Rotari Yipada
Used to select the desired measurement function (e.g., V~, V-, A~, A-, Ω, Continuity, Diode, Capacitance, Frequency).
4.4. Input ebute
- COM: Common terminal for the black test lead.
- V Ω •))) →|← •F Hz: Input terminal for red test lead for voltage, resistance, continuity, diode, capacitance, and frequency measurements.
- A: Input terminal for red test lead for current measurements up to 10A.
5. Eto
5.1. Fifi sori batiri
- Rii daju pe multimeter ti wa ni pipa.
- Locate the battery compartment cover on the rear of the unit.
- Lo ẹ̀rọ ìdènà láti tú ìdè náà tí ó ń so ìbòrí náà mọ́.
- Remove the cover and insert four (4) AAA batteries, observing correct polarity (+/-).
- Rọpo ideri naa ki o si fi skru(s) so o mọ.
5.2. Nsopọ Awọn itọsọna Igbeyewo
Insert the test leads into the appropriate input terminals:
- So okun idanwo dudu pọ mọ ara rẹ nigbagbogbo COM ebute.
- Fun voltage, resistance, continuity, diode, capacitance, and frequency measurements, connect the red test lead to the V Ω •))) →|← •F Hz ebute.
- For current measurements (up to 10A), connect the red test lead to the A ebute.
6. Awọn ilana Iṣiṣẹ
Before making any measurement, ensure the test leads are correctly connected and the rotary switch is set to the appropriate function.
6.1. Wiwọn AC/DC Voltage (V~ / V-)
- Ṣeto iyipada iyipo si V~ fun AC voltage tabi V- fun DC voltage.
- Connect the test leads in parallel across the circuit or component to be measured.
- Ka voltage iye lori ifihan.
6.2. Measuring AC/DC Current (A~ / A-)
WARNING: Never connect the multimeter in parallel across a voltage source when in current measurement mode. This can cause a short circuit and damage the meter or circuit.
- Turn OFF power to the circuit.
- Ṣeto iyipada iyipo si A~ for AC current or A- for DC current.
- Connect the multimeter in series with the circuit, breaking the circuit to insert the meter.
- Waye agbara si awọn Circuit.
- Ka iye lọwọlọwọ lori ifihan naa.
6.3. Ìwọ̀n Àìdádúró (Ω)
- Rí i dájú pé agbára ìṣiṣẹ́ tàbí ohun èlò náà kò pọ̀.
- Ṣeto iyipada iyipo si Ω.
- So awọn itọsọna idanwo kọja paati naa.
- Ka iye resistance lori ifihan.
6.4. Continuity Test (•))) )
- Rí i dájú pé agbára ìṣiṣẹ́ tàbí ohun èlò náà kò pọ̀.
- Ṣeto iyipada iyipo si •))).
- Connect the test leads across the component or wire.
- Ohun ariwo ti a gbọ n tọkasi itesiwaju (idaduro kekere). Ifihan naa yoo ṣe afihan iye resistance.
6.5. Diode Test (→|←)
- Ensure the diode is de-energized and isolated from the circuit.
- Ṣeto iyipada iyipo si →|←.
- So asiwaju pupa pọ si anode ati asiwaju dudu si cathode. A siwaju voltage drop (e.g., 0.5V to 0.8V) should be displayed.
- Reverse the leads. The display should show OL (Open Loop) for a good diode.
6.6. Ìwọ̀n Agbára (F)
- Rí i dájú pé capacitor ti tú gbogbo rẹ̀ sílẹ̀ kí o tó dán an wò.
- Ṣeto iyipada iyipo si F.
- So awọn itọsọna idanwo kọja awọn ebute kapasito.
- Ka iye kapasito lori ifihan.
6.7. Wíwọ̀n Ìgbohùngbà (Hz)
- Ṣeto iyipada iyipo si Hz.
- So awọn itọsọna idanwo kọja orisun ifihan.
- Ka iye igbohunsafẹfẹ lori ifihan.
7. Itọju
7.1. Ninu
Pa ọran naa pẹlu ipolowoamp asọ ati ìwọnba detergent. Maṣe lo awọn abrasives tabi awọn nkan ti o nfo. Rii daju pe mita naa ti gbẹ patapata ṣaaju lilo.
7.2. Batiri Rirọpo
When the low battery indicator appears on the display, replace the batteries as described in Section 5.1. Use only new AAA batteries of the same type.
7.3. Rirọpo fiusi
If the current measurement function fails, the fuse may need replacement. The DT4252 uses a 10A fused input. Refer to the detailed service manual for fuse replacement procedures, or contact qualified service personnel.
8. Laasigbotitusita
If the multimeter does not operate correctly, check the following common issues:
- Ko si Ifihan: Ṣayẹwo fifi sori batiri ati ipele idiyele. Rọpo awọn batiri ti o ba wulo.
- Awọn kika ti ko tọ: Ensure the function switch is set correctly for the measurement type. Verify test lead connections. Check for damaged test leads.
- Ìfihàn "OL" (Àfikún) Iye ti a wọn ju iwọn ti a yan lọ. Yipada si iwọn ti o ga julọ tabi rii daju pe titẹ sii wa laarin awọn ilana mita naa.
- Wiwọn lọwọlọwọ Ko Ṣiṣẹ: Check the 10A fuse. If blown, it needs replacement by qualified personnel.
For persistent issues, contact Hioki customer support.
9. Awọn pato
| Ẹya ara ẹrọ | Sipesifikesonu |
|---|---|
| Brand | Hioki |
| Nọmba awoṣe | DT4252 |
| Orisi wiwọn | Otitọ-RMS Digital Multimeter |
| Max Iwọntage Input | 1000V AC / DC |
| Iṣawọle lọwọlọwọ ti o pọju | 10A (Direct Input, Fused) |
| Awọn iṣẹ | Voltage (AC/DC), Current (AC/DC), Resistance, Continuity, Diode, Capacitance, Frequency |
| Orisun agbara | Agbara Batiri (awọn batiri AAA 4, pẹlu) |
| Min. Ṣiṣẹ Voltage | 6 Volts (DC) |
| Iwọn Nkan | 390 Giramu (13.8 iwon) |
| Àwọ̀ | Buluu |
| Ara | Oni-nọmba |
| Pato sipesifikesonu | CE, NIST, RoHS, UL |
| Oke otutu Rating | Awọn iwọn Celsius 300 |
| Package Mefa | 8.46 x 5.08 x 2.52 inches |
10. Atilẹyin ọja ati Support
The Hioki DT4252 Digital Multimeter is covered by a manufacturer's warranty against defects in materials and workmanship. For specific warranty terms, duration, and to obtain technical support or service, please refer to the warranty card included with your product or visit the official Hioki webojula. Tọju iwe-ẹri rira rẹ bi ẹri rira.





