This manual provides installation, operation, calibration, and maintenance instructions for the HuaKeYi HK-1305TU online turbidity analyzer.
The document is a user manual for the HK-1305TU online turbidity analyzer manufactured by Beijing HuaKeyi Technology Co., Ltd. It covers the instrument's structure, working principles based on nephelometry, and installation requirements including embedded, wall-mounted, and pipe-clamp methods.
The guide details operational procedures such as sensor setup, relay configuration, current output settings, and calibration processes for turbidity, temperature, and current. It also includes sections on regular maintenance of the flow cell and sensor, preparation of standard solutions (Formazin), and troubleshooting common issues. This manual is written in Chinese.
| Measurement Range | (0.00～19.99)NTU; (20.0～500.0)NTU |
|---|---|
| Display Resolution | 480×272 dot matrix LCD |
| Maximum Resolution | 0.01NTU |
| Instrument Accuracy | ±5% |
| Repeatability | 1% |
| Zero Drift | ±1%FS/30min |
| Stability | ±1%FS/30min |
| Temperature Accuracy | ±0.5℃ |
| Current Output | (0～10)mA, (0～20)mA or (4～20)mA |
| Data Storage Capacity | ≥100,000 points |
| Response Time | ≤30s |
| Power Supply | AC (100～240)V, (50～60)Hz |
| Flow Rate | (6～20)L/h |
The instrument measures turbidity in two ranges: (0.00 to 19.99) NTU and (20.0 to 500.0) NTU.
The maximum resolution of the instrument is 0.01 NTU.
The response time of the HK-1305TU is less than or equal to 30 seconds.
The instrument supports (0～10)mA, (0～20)mA, or (4～20)mA outputs with dual-channel independent isolation.