Cheap Optical Do Sensor Aquarium Online Dissolved Oxygen Meter
Screen mode: A 5-bit highlighted LED display, connected to an external display module (optional)

Measurement range: 10/100/1000ppm to 21.000% O2/N2

Measurement accuracy: 10PPm~21.00%≤±1%FS

10 PPM ~ 1.00% plus or minus 2% or less of FS

10 PPM to 100 PPM or less plus or minus 5% FS

Reconstitution: ≤±1.0%FS

Queue response time: T90 < 30S

Static interface: 4-20mA.DC (non-isolated output, load resistance < 1K ω)

1 programmable dry contact type passive alarm output, contact maximum capacity AC220V/2A

Display module interface

Gigabit Ethernet Communication: RS485

Working power supply: DC24V±10%, 1.5A

Costing the environment temperature: -10 ° C to +50 ° C

Storage environment humidity: < 90%RH, non-condensing

Working environment humidity: < 100%RH, non-condensing

Costing the temperature: 0ºC~60ºC

Lent Sampling method: In-lineCheap Optical Do Sensor Aquarium Online Dissolved Oxygen Meter
Accented air pressure: stabilizes the pressure atmosphere (controls the pressure within the specified range, ensuring it provides 400-600mL /min

Flow can be)

Pneumatic exhaust pressure: Free emptying (under safe conditions)

Lends background gas: a mixture of nitrogen and oxygen

Sensor life: > 5 years (normal operating conditions)

Static air interface: Fast screw φ 6 plastic pipe

Cost of installing: The meter is wall-mounted, and the oxygen sensor comes with a built-in fixing clip

Instrument features:

A. Compact appearance and convenient maintenance;

B. Imported new long life zirconia sensor, with high sensitivity, fast response characteristics;

C. N2 and O2 display are available for users to choose, N2 display (N2%=100-O2%);

D. Automatic temperature compensation function to eliminate the influence of temperature change on the measured value;

E. Upper and lower alarm points can be set arbitrarily within the full range;

F. The instrument supports multi-point piecewide linear calibration to meet the accurate measurement of concentration in the full range;

G. With standard RS485 communication port, it can communicate with computer or other digital communication equipment directly in one direction or two way.

Application:

---- Air separation industry ---- air separation fractionation, nitrogen making machine, gas purification;

Sino Chemical/petrochemical industry ---- chemical production, high purity gas production;

Gigong electronics ---- reflow welding, wave soldering, solder powder production, semiconductor processing furnace;

Sino Metal ---- heat treatment/low temperature annealing, iron and steel production, alloy or powder metal;

---- Conventional environmental monitoring, glove box;

Costing various purification devices, chemical processes, glove boxes, protective atmosphere stoves and more analyze oxygen concentration measurements online.