Navigation
Cart£0.00

Zirconia Oxygen Sensor System

Return to Previous Page
Specification

TECHNICAL SPECIFICATIONS

Supply voltage
    R485 output variant8-28Vdc
    Analogue output variants20-28Vdc
Supply Current600mA max. at 24Vdc
1.2A max. at 12Vdc
Digital OutputRS485 (Modbus RTU)
Analogue Output4-20mA; load 600Ω max
or 0-10V; load 10kΩ min
Pump impedance at 700⁰C¹<6kΩ
Permissible gas temperature-100 to 250⁰C
Gas flow rate²0-10m/s
Operating pressure limits³260-1260mbar absolute
Mounting threadM18x1.5

OUTPUT VALUES

Oxygen range (analogue output)0.1-25% O₂
or 0.1-100% O₂
Oxygen range (Modbus RTU)0.1-100%
Accuracy after calibration0.5% O₂
Output resolution 0.01% O₂
Response time<4s
Initial warm up time (until stable output)5-10 mins
Output inactive start up delay (heater warm up):
    From OFF to ON mode:60s
    From standby to ON mode (RS485 only):20s


OUTLINE DRAWINGS

Sensor Layout

O2system_diagram

Interface Board Layout

OXY-LC-layout

¹The constant current source used in the pump circuit should be designed to drive a load of up to 6kΩ.
²With baffle fitted to shield the sensor from direct cooling and pollution by the flue gas; refer to Screwfit Zirconia Oxygen Sensor Datasheet for fitment details.
³Sensor and interface for correct barometric pressure compensation.

ELECTRICAL INTERFACE

OXY-LC-Board

Assignment
PinRS485Analogue
1Sensor heater + (1)Sensor heater + (1)
2Sensor heater 0Vdc (2)Sensor heater 0Vdc (2)
3Sensor pumpSensor pump
4Sensor commonSensor common
5Sensor senseSensor sense
68-28Vdc20-28Vdc
70Vdc0Vdc
8RS485 A (+)4-20mA or 0-10Vdc
9RS485 B (-)Calibrate IN/PWM OUT

Features & Benefits

FEATURES

  • Zirconium dioxide technology
  • Interface electronics included
  • Integral heating element
  • Variety of probe mounting positions available; 28mm, 45mm & 55mm
  • M18x1.5 screw mounting
  • All stainless steel construction both internally and externally

BENEFITS

  • Long life
  • No reference gas required creating the ability to measure a wide oxygen range
  • Non-depleting technology
  • Linear output signal
  • No need for temperature stabilisation
  • Can be used in high pressure and temperature environments
  • Simple recalibration if/when required
  • Full technical and application support available

Downloads Sample/Quote Request

Sample/quote request

  • This field is for validation purposes and should be left unchanged.

Related Products

Screwfit

Screwfit Zirconia Oxygen Sensor
  • M18x1.5 mounting thread
  • Various probe insertion lengths available
  • Ideal for combustion applications
Screwfit Zirconium Dioxide Oxygen Sensors Quick View

Screwfit Zirconium Dioxide Oxygen Sensors

Screwfit

Screwfit Zirconia Oxygen Sensor
  • M18x1.5 mounting thread
  • Various probe insertion lengths available
  • Ideal for combustion applications

OXY-Flex

OXY-Flex Oxygen Analyser
  • High accuracy oxygen analyser with linear output
  • Externally triggered automatic or manual calibration
  • Three user-configurable outputs; 4-20mA and    0-10Vdc or RS232
OXY-Flex Oxygen Analyser Quick View

OXY-Flex Oxygen Analyser

OXY-Flex

OXY-Flex Oxygen Analyser
  • High accuracy oxygen analyser with linear output
  • Externally triggered automatic or manual calibration
  • Three user-configurable outputs; 4-20mA and    0-10Vdc or RS232

OXY-LC PCB

OXY - LC
  • Adaptive software filtering provides a fast sensor response coupled with a stable oxygen output
  • High accuracy linear output
OXY_LC Quick View

OXY-LC Oxygen Sensor Interface Electronics

OXY-LC PCB

OXY - LC
  • Adaptive software filtering provides a fast sensor response coupled with a stable oxygen output
  • High accuracy linear output
temp-footer-ctas
Back to top