Oxygen Transmitter Parameter Requirements

Display Screen: LCD LCD display, Chinese menu. Inductive buttons, no need to open the cover, operate directly on the glass panel.

Display content: Oxygen concentration, zirconium tube temperature, zirconium tube voltage value, output current value, sensor internal resistance, self-diagnosis information, etc.

Operating Language: Chinese

Power Voltage: 220VAC ± 10%  

Power Frequency: 50/60Hz

Heating Power: ≤ 150W

Measurement Range: 0.01%-25.00% (From 5.00%~25% customizable settings).

Output Signal: 4 ~ 20mA

Signal Interface: Supports RS485/MODBUS protocol

Bluetooth Port: With expandable Bluetooth function in the menu

Damping Adjustment: Damping coefficient can be set in the menu

Measurement Accuracy: ± of the range 1% or reading ± 0.1% O2

Constant Temperature: 700.0 ℃± 0.2 ℃ ( 500~900 ℃ customizable settings).

Protection Class: IP66

Calibration Method: Manual calibration / Fully automatic calibration, two methods selectable via menu (automatic calibration requires a matching automatic calibration unit box).

Data Hold: Output hold function available during calibration

Automatic Purge: Automatic purge function in the menu, regularly purges accumulated ash from the filter automatically.

Installation Method: Wall-mounted

Range Drift: Within 12 months, the drift amount does not exceed the adjusted range by 0.2%

Stability: ≤± 0.05% (Instrument continuous verification 4h )

Self-diagnosis and Alarm Function: Equipped with self-diagnosis function, including thermocouple reverse connection, thermocouple open circuit, heating abnormal, oxygen concentration alarm, temperature alarm.

Response Time: 0.5  seconds 90% response. (Timed from when gas enters the calibration gas inlet and analog signal begins to change)

Junction Box Material: Metal (steel is recommended / die-cast aluminum).

The instrument has stable temperature control capability and long service life. The zirconium oxide oxygen transmitter is composed of electronic components with a microcontroller as the core , including data processing , oxygen content, temperature, alarm, etc. display , heater control , current output, alarm output, etc. Measurement errors can be corrected at any time, and output, control methods, and alarm points can be changed.

Oxygen Transmitter Service Life: ≥ 5 years

Probe Technical Parameter Requirements

Flue Gas Temperature: ≤ 800 ℃

Flue Gas Pressure: -10  ~ + 50Kpa

Flue Gas Flow Rate: 0  ~ 50m/s

Ambient Temperature: -40 ℃ ～ + 80 ℃

Response Time: ≤ 0.5s 90%

Process Time ( T90 )≤ 3s

Zirconia Cell Resolution: ＜ 1ppm 

Insertion Depth: 1000mm  (Can be customized according to customer requirements)

Material: Protection Tube 310S

Protection Tube Diameter :  φ 51mm

Probe Installation Angle: Horizontal or vertically downward installation

Flange: JIS-5K-65-FF

Heating Time: 5 ~ 15min (Constant temperature 700.0 ℃).

Sensor Electrode: Platinum electrode.

Pressure Resistance: Normal use without leakage under flue gas pressure in any combustion control condition (sensor factory test pressure 400kpa zero leakage).

Sensor Zero Potential: Less than ± 0.5mv In air, at a constant temperature 700.0 ℃). (Long-term stable, no drift)

Sensor internal resistance: less than ± 20 ohms (in air, at a constant temperature 700.0 ℃).

Calibration gas: 5% and 20.6% O ₂ ，background gas is nitrogen ( 1%~10% any standard gas between can be used for calibration, and the linearity within the full range is less than 0.01% )

Reference gas: Air, no external reference gas source required

Standard gas flow rate: 150 ~ 300 ml/min

Probe filter: Standard dust-proof precision filter

Service life: ≥ 4 years