1. Introduction and Overview
The PEAKMETER MS5910 is a high-performance RCD (Residual Current Device) and Loop Tester designed for professional electricians and repairers. This device is essential for verifying the safety and proper functioning of electrical installations by measuring trip-out current, trip-out time, contact voltage, loop resistance, AC voltage, and frequency. It features a USB interface for data transfer and complies with international safety standards.

Сүрөт 1.1: Алдыңкы view of the PEAKMETER MS5910 RCD Loop Resistance Tester, showing the display, control buttons, and rotary dial.
2. Коопсуздук маалыматы
WARNING: To avoid electrical shock, remove test leads before opening case or battery cover. Please read manual for safety.
The MS5910 complies with IEC/EN 61010-1 1000V CAT II and 600V CAT III safety standards. Always adhere to the following safety precautions:
- Эгерде түзмөк бузулгандай көрүнсө же туура эмес иштеп жатса, аны колдонбоңуз.
- Кандайдыр бир өлчөөлөрдү жүргүзүүдөн мурун сыноо өткөргүчтөрүн туура туташтырыңыз.
- Do not exceed the maximum common mode voltage of 600V AC RMS.
- Always disconnect the device from the circuit before replacing batteries or opening the case.
- Use only specified battery types and ensure correct polarity.

2.1-сүрөт: Арткы view of the MS5910, highlighting the battery compartment and safety warning label.
3. Продукциянын өзгөчөлүктөрү
- High-performance RCD Loop Tester with USB Interface.
- Measures Trip-out current, Trip-out time, Contact voltage, Loop resistance, AC voltage, and Frequency.
- Максималдуу жалпы режим тtage: 600V AC RMS.
- LCD Display with a maximum value of 6000 counts.
- Data logging and recall for up to 100 groups of test results.
- Auto Power Off function to conserve battery life.
- Display Back Light for improved visibility in low-light conditions.
- Low Battery Display indicator.
- Complies with IEC/EN 61010-1, 1000V CAT II, 600V CAT III safety standards.
4. Пакеттин мазмуну
Пакетти ачкандан кийин, төмөндө көрсөтүлгөн нерселердин бардыгы бар экенин жана жакшы абалда экендигин текшериңиз:
- 1 * RCD/LOOP Tester PM5910
- 1 * Test Lead set
- 3 * Alligator Clips
- 1 * USB Wire
- 1 * CD-ROM (for software/drivers)
- 1 * Operational Manual
- 1 * Packaging Box
Эскертүү: Батареялар камтылган эмес жана өзүнчө сатып алынышы керек.

Figure 4.1: Contents included in the MS5910 product package.
5. Орнотуу
5.1 Батареяны орнотуу
- Ensure the device is powered off and disconnect any test leads.
- Аппараттын артындагы батарея отсегин табыңыз (2.1-сүрөттү караңыз).
- Батарейканын капкагын чечип, алып салыңыз.
- Insert 6 x 1.5V AA batteries, ensuring correct polarity as indicated inside the compartment.
- Батареянын капкагын ордуна коюп, аны бурама менен бекитиңиз.
5.2 Сыноо өткөргүчтөрүн туташтыруу
Connect the provided test leads to the appropriate input terminals on the MS5910. Ensure a secure connection for accurate measurements and safety.

5.1-сүрөт: Жогорку view of the MS5910, showing the AC input (80V-440V) and USB interface ports.
6. Иштөө нускамалары
6.1 Күйгүзүү/өчүрүү
Rotate the main dial from the 'OFF' position to any measurement function to power on the device. To power off, rotate the dial back to 'OFF'. The device also features an Auto Power Off function.
6.2 Функцияны тандоо
Use the large rotary dial to select the desired measurement function:
- LOOP: For Loop Resistance measurements.
- RCD: For Residual Current Device testing (Trip-out current, Trip-out time, Contact voltagжана).
- x1/2, x1, x5: Multipliers for RCD test currents.
- АВТО РAMP: For automatic RCD ramp тестирлөө.
6.3 Баскычтоптун функциялары
- MEASURE: Өлчөөнү баштайт.
- ОКУ: Recalls stored data.
- ЭСКЕРТҮҮ: Stores current measurement data.
- ТАЗАЛОО: Clears stored data.
- ЖӨНДӨӨ: Enters setup mode for parameters.
- КИРҮҮ: Тандоону ырастайт.
- ЖАРЫК: Дисплейдин арткы жарыгын которуштуруу.
- КӨРСӨТҮҮ: Cycles through display modes or parameters.
- ЖАЯН: Activates slow test mode for RCDs.
6.4 Өлчөөлөрдү жүргүзүү
Connect the test leads to the circuit under test according to the specific measurement type. Press the 'MEASURE' button to initiate the test. The results will be displayed on the LCD screen.

Figure 6.1: The MS5910 display showing various current measurement levels (10mA, 30mA, 100mA, 300mA, 500mA) and the CE mark indicating compliance with international standards.
6.5 Маалыматтарды сактоо жана кайра чакырып алуу
The MS5910 can store up to 100 groups of test results. After a measurement is complete, press 'MEMO' to save the data. To recall stored data, press 'READ' and use the arrow keys to navigate through the records.

Figure 6.2: Illustration of the MS5910's data storage capability, indicating that 100 groups of test results can be stored.
7. Техникалык тейлөө
7.1 Тазалоо
Wipe the device with a dry, clean cloth. Do not use abrasive cleaners or solvents. Ensure no liquids enter the device.
7.2 Батареяны алмаштыруу
Дисплейде батареянын заряды аз калганын көрсөткөн индикатор пайда болгондо, өлчөөлөрдүн тактыгын камсыз кылуу үчүн батареяларды тез арада алмаштырыңыз. Батареяны орнотуу боюнча нускамаларды 5.1-бөлүмдөн караңыз.
7.3 Сактоо
If the device is not used for an extended period, remove the batteries to prevent leakage and damage. Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
8. Кыйынчылыктарды
- Түзмөк күйбөйт: Батарея орнотулганын текшерип, батарейкалардын жаңы экенин текшериңиз.
- Туура эмес окуулар: Ensure test leads are securely connected and not damaged. Verify the correct function is selected for the measurement.
- Дисплей күңүрт: Activate the backlight using the 'LIGHT' button. If still dim, replace batteries.
- Cannot store data: Check if memory is full. Clear old data if necessary.
9. Техникалык шарттар

Figure 9.1: Detailed technical specifications for the PEAKMETER MS5910.
| пункт | Нарк |
|---|---|
| Продукциянын өлчөмдөрү | 5.91 x 3.94 x 7.09 дюйм |
| Элемент Салмагы | 1 килограмм (2.2 фунт) |
| Power Source | Battery Powered (6 x 1.5V AA batteries) |
| Түс | Ачык күрөң |
| Коопсуздук рейтинги | EN61010-1, CAT. III 600V |
| USB интерфейси | USB 2.0 |
| Маалыматтарды каттоо | 100 Топтор |
| Дисплей | LCD with Backlight, Max 6000 counts |
| Өлчөө | Диапазон | Тактык | Резолюция |
|---|---|---|---|
| Чыгуу убактысы | x1ΔN300 (slow 500ms), x5ΔN40ms (slow 150ms) | ±3ms | 0.1ms |
| Ачуу агымы | (0.2~1.1)ΔN | ±0.1ΔN | 0.05ΔN |
| Contact Voltage | 0~99.9V | ±(10%+0.2V) | 0.01V, 0.1V |
| Alternating Voltage (UI-N, UL-L, UL-E) | 0~440V | ±(3%+3V) | 1V |
| Жыштык | DC, 45~65Hz | ±1Гц | 1Hz |
| Loop Resistance (RL) | 0.1Ω~199.9Ω, 200~1999Ω, 2000~9.99kΩ | ±(10%+0.2к) | 0.01Ω, 0.1Ω, 0.01kΩ |
| RL Current Test | 0.5IΔN | ±(10%+10к) | 0.05IΔN |
| Multiplying Power of Test Current | x0.5, x1, x5 | ||
| Current Level (IΔN) | 10mA, 30mA, 100mA, 300mA, 500mA | ||
| Trigger Phase Angle | 0° же 180° |
10. Кепилдик жана колдоо
PEAKMETER products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official PEAKMETER website. For technical support, troubleshooting assistance, or service inquiries, please contact PEAKMETER customer service through the contact information provided in your product documentation or on the official webсайт.