Order no.: AQ-FM S900

Fixed Gas Detector Base AQ-FM S900

£ 303.00
£ 363.60
AQ-FM S900
price ex. (VAT / delivery)
Delivery time: 10 - 14 days


Fixed Gas Detector Base
For AQ-sensor heads / Analog output 4-20 mA /
Application to control ozone generators / Integrated into networks /
Environmental, monitoring and control

The fixed gas detector base AQ-FM S900 for AQ-sensor heads can communicate with a variety of hardware systems. The transmitter can also be used as switching relays with user-set values as a 4-20 mA gas transmitter and it can communicate with a network via the RS485 interface. Changing sensor heads is quick and easy, no configuration changes required. Calibration certificate included.

Attention! No AQ sensor head is included in the delivery, it must be ordered separately as an accessory!


- Active sampling for higher accuracy
- Real-time network monitoring
- Monitoring of indoor air quality
- Multiple analog and digital outputs
- Used in a real-time network
- Replaceable sensor head
- PC data logging and network option
- Application in health and safety


Power supplyRegulates 12V, 800 mA
Analog output4-20 mA (optional isolated), 10... 30V
ExternalsignalTransistor output
External control signalMin.- Max. Alarm,control and diagnostics
Energy supplyStandby switch
JumperJ1, J2, J3 Terminal resistance
ID1 Standard -
Customer configurations from 1 to 255
Alarm thresholdsCustomer configurable
Control of the switching pointsCustomer configurable
Sensor headRemovable, interchangeable and reprocessed
ScanningActive sampling by internal blower
Temperature and humidity sensorMeasuring range temp.: -40°F... 255°F / -40°C... 124°C
Measuring range air humidiy: 0... 100% RH
SoftwareConfiguration via the included software
PC Data Logging & Networking CDOptional - Article-No.: R60
USB ConnectionOptional - RS485 to USB Adapter: R53
Power supplyOptional - 12V DC DIN mounting rail
100... 250V AC R37
Included housingPolycarbonate equivalent IP20 and NEMA 1
Size with base unit64 x 130 Ø (mm); 2½ x 5 1/8 Ø (in)
AttachmentScrew device
WeightApproximately .5 lbs / 200 g
Approval pursuant to Part 15 of the FCC RegulationEN 50082-1: 1997
EN 50081-1: 1992

Delivery Scope

1 x Fixed base unit
1 x Software for configuring on PC
1 x Operating instructions

Attention! No AQ-sensor head is included in the delivery, it must be ordered separately as an accessory!