Typical applications

Widely used in chemical, metallurgical, water treatment, pharmaceutical, biochemical, electronic, electroplating, printing and dyeing, chemical, food and tap water industriesdissolved oxygenOnline monitoring.

Instrument characteristics

★ DO4200SAdopting high-precision AD conversion and single-chip microprocessor technology

★ Automatic conversion of measurement frequency: avoids electrode polarization and improves measurement accuracy

★ Using devices with dual high impedance inputs, impedance up to 10¹²Ω, anti-interference

be capable

★ The current output adopts photoelectric coupling isolation technology, which has strong anti-interference ability and can be transmitted remotely

★ LEDFull English display, waterproof and dustproof design, suitable for outdoor use

★ communication interfaceCan be conveniently connected to a computer for monitoring and communication

Technical instructions

Measurement range O2:0～100.0 ug/L 0～20.00 mg/L

Temp： 0.0～99.9℃

Resolution 0.1 ug/L 0.01 mg/L

Temp： 0.1℃

Instrument accuracy O2: 0.1ug/L ± 1Digit

Temp： 0.1℃±1Digit

Response time<60 seconds (98% of final value, 25 ℃)

Working temperature 0-60 ℃

Input impedance ≥ 10¹² Ω

Temperature compensation automatic temperature compensation PT1000、 NTC2.252KDual mode

Select manual temperature compensation button setting

Analog output current isolation 0-10mA output (load<1.5 k Ω)

4~20 mA output (load<750 Ω)

Relay output high and low pointsDelay any program setting, with two sets of ON/OFF outputs.AC220VZui high current 3A

Communication interface RS485 or 232 (optional)

Power input AC220V ± 22V, 50Hz ± 1Hz

Solution grounding electrode diagnosisEliminate interference from charged solutions

Protection level IP64

Power input AC220V ± 22V, 50Hz ± 1Hz

Dimensions 96 × 96 × 135 mm (H × W × D)

Hole size 92 × 92 mm (H × W)

Weight 1.0kg