Typical applications:

The components of Minter water quality analysis instruments are widely used in high-tech fields such as aviation, automotive, and military. The anti-interference and reliable integrated circuit design, simple operation, and rich software system interface of the instrument make the detection signal more accurate and stable. Currently, its products are widely used in industries such as power, pharmaceuticals, chemicals, petroleum, metallurgy, water treatment, food, and beverages.

Characteristics of the instrument:

- Large screen dot matrix LCD display, Chinese menu operation, simultaneous display of multiple parameters
- Menu style operation, user-friendly design, easier to use
Anti interference design can be used for strong interference on-site operations and anti electromagnetic interference
- Automatic conversion of measurement frequency: avoids electrode polarization and improves measurement accuracy
- Automatically achieve wide range measurement from ppb level to ppm level
IP65 all-weather waterproof and gas resistant, suitable for any harsh environment
Two relay contacts, capable of independent and free selection of high and low position control
- Independently adjustable high and low set point hysteresis width to prevent the relay from oscillating around the set point
- Automatic temperature compensation function
- Other sensors can be selected
- Communication function: Equipped with RS-485 communication interface and capable of converting to RS-232
- Isolate 4-20mA current output, corresponding pH value can be set arbitrarily
- Optional upper computer online acquisition software from our company for data collection and processing
- DO value temperature compensation function
- Automatically recognize standard solution, can restore factory settings
Watchdog function: Ensure that the instrument panel does not crash
- Power failure protection>10 years
The core components come from abroad

Technical indicators:
1. Measurement range: 0-200ug/L, 0-20mg/L, with automatic range switching.
2. Temperature:- 10～130℃
3. Resolution: 0.1ug/L, 0.01mg/L at 0.1 ℃
4. Accuracy: ug/L: ± 1.0% FS; mg/L:±0.5%FS，±0.3℃
5. Temperature compensation: Automatic (± 10 ℃ offset adjustment) Manual (calibration temperature can be set)
6. Control interface: Two sets of ON/OFF relay contacts, divided into high and low point alarm signals
7. Signal isolation output: Optocoupler isolation protection 4-20mA signal output
8. RS-485 communication: One RS-485 serial output can set device numbers for up to 100 instruments, with a maximum distance of 1000 meters, and can be converted to RS-232 for direct connection to a computer.
9. Relay: Relay hysteresis can be set arbitrarily, relay load: 10A; 220VAC
10. Working conditions: ambient temperature of 0-60 ℃, relative humidity ≤ 90%
11. Output load: load<500 Ω (0-10mA), load<750 Ω (4-20mA)
12. Working voltage: 220VAC ± 10%, 50/60Hz (or DC24V)
13. Shell material: ABS
14. Size: 96 × 96 × 150 mm
15. Hole size: 91 × 91mm
16. Weight: 1.5Kg

Optional Accessories
- Electrode installation bracket
- Electrode flow cup
- Imported electrodes or domestically produced electrodes
RS-485 communication function
- RS-232 function
- DC24V power supply