The Jin Ailian 87 Series electrical parameter meter user manual provides an overview, specifications, operation instructions, wiring, safety notes, and…
About this manual
The 87 Series electrical parameter meter from Jin Ailian is a digital instrument that measures voltage, current, power, frequency, power factor and energy. It uses high‑speed A/D conversion and a micro‑processor to calculate and display accurate values for AC power applications.
The manual is organized into five main sections: an overview of the instrument, main performance and technical specifications, detailed operating instructions, wiring diagrams, and safety precautions with troubleshooting guidance. It also includes information on front‑panel functions, limit settings, serial communication parameters, and maintenance recommendations. This manual is written in Chinese.
What's inside
- Overview
- Main Performance and Technical Specifications
- Operation Instructions
- Wiring Diagram
- Precautions and Troubleshooting
- Front Panel and Function Keys
- Limit Setting and Alarm Configuration
- Serial Communication
Specifications
| Voltage measurement range | 10‑300 V |
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| Current measurement range | 0.02‑20 A |
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| Voltage accuracy | ±(0.4% reading + 0.1% range) |
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| Current accuracy | ±(0.4% reading + 0.1% range) |
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| Frequency range | 45‑65 Hz |
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| Power factor range | 0.2‑1.0 |
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| Power measurement resolution | <0.1 W (under 1000 W), 1 W (≥1000 W) |
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| Power consumption | <5 W |
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| Weight | ≈3 kg |
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| Dimensions (W×H×D) | 310 mm × 121 mm × 328 mm |
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| Maximum humidity | ≤85 % RH |
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| Power supply | AC 220 V ±15 % 50/60 Hz |
Frequently asked questions
What is the baud rate for serial communication?
The instrument uses a baud rate of 9600 for RS‑232 communication.
How can I set the upper and lower limits for current measurement?
Press the A---- key to set the lower current limit and the A---- key to set the upper current limit; confirm with the SET key.
What should I check if the instrument shows no display on power‑up?
Verify that the power supply is connected, the input voltage is correct, and the fuse is not blown.