Product Features● LCD large screen LCD display
● Data recording/curve display/upload function
● Multiple automatic calibration functions
● Manual and automatic temperature compensation
● Three sets of relay control switches
● High limit, low limit, hysteresis control
● 4-20mA/RS485 multiple connection methods
● Display dissolved oxygen, temperature, and current values on the same interface
● Password protection can be set to prevent accidental operation by non staff memberstechnical specifications
measuring range
0~20.0mg/L
measuring principle
Film covered type
resolution
0.01mg/L
Basic error
±1%F.S
Temperature
0~50.0℃
temperature resolution
0.1℃
temperature error
±0.3℃
temperature compensation
Automatic or manual
stability
Under normal pressure and constant temperature, drift<2% F.S per week
response time
25℃<60s; 35℃<30s
current output
2-channel 4-20mA
Communication output
RS485 Modbus RTU
Other functions
Data recording/curve display/data uploading
Relay control contacts
Three groups: 5A 240VAC, 5A 28VDC or 120VAC
Optional power supply
85-265VAC, 9-36VDC, power: ≤ 3W
work environment
There is no strong magnetic field interference around except for the Earth's magnetic field.
ambient temperature
-10~60℃
relative humidity
Not exceeding 90%
protection grade
IP65
Instrument weight
0.8kg
Instrument dimensions
144×144×118mm
Installation hole size
138×138mm
Instrument installation method
Pan mounted, wall mounted, pipeline type