Portable Digital Display Dissolved CO2 Meter / Dissolved Gas Analysis Instrument
Introduction
The industrial online dissolved oxygen meter is a water quality online monitoring controller with a microprocessor. The meter is equipped with different types of dissolved oxygen electrodes widely used in power plants, petrochemicals, metallurgy electronics, mining, paper, bio-fermentation, medicine, food and beverage, environmental water treatment, aquaculture and other industries; dissolved oxygen values of aqueous solutions and Temperature values are continuously monitored and controlled.
Main features
●LCD screen display
●Chinese/English smart menu operation
● A variety of automatic calibration functions
●Multiple signal output modes are available
●Two sets of relay control switches
●Manual or automatic temperature compensation
●High limit, low limit, hysteresis control
●The same interface shows dissolved oxygen, temperature, status, etc.
●With password protection to prevent non-workers from mishandling
Technical parameters | |
Testing range | Dissolved oxygen: 0 ~ 20.0mg / L;Temperature: 0 ~ 150.0 ° C; |
Resolution | Dissolved oxygen: 0.01mg / L; Temperature: 0.1 ° C; |
Basic error | Dissolved oxygen: ±1% F.S;Temperature: ±0.3 °C; |
Electrode residual signal | <1% |
Response time (final value 90%) | <60S at 25°C; <30S at 35°C; |
Stability | Drift <2% F.S per week at constant temperature and constant temperature; |
Current output (1 way(standard),2 way(optional): | 0/4~20mA (load resistance <750Ω); 20 to 4 mA (load resistance <750 Ω); |
Communication output | RS485 MODBUS RTU (optional) |
Two sets of relay control contacts | 10A 250VAC, 10A 30VDC; |
Power supply (optional) | 85~265VAC±10%, 50±1Hz, power ≤3W; 9~36VDC, power: ≤3W |
Installation method | disk mounted (embedded); Installation opening size: 91 × 91mm |
Working environment | Ambient temperature: -10 to 60 ° C; Relative humidity: no more than 90%; There is no strong magnetic field interference except the earth's magnetic field. |
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