Model

AQ 500

Sensor Heads

Low

Medium

High

Measurement range

0.000 - 0.500 ppm

0.001 - 10.00 ppm

0.50 - 20.00 ppm

Accuracy

± 10%

(0.100 – 0.500 ppm)

± 10%

(0.10 - 2.00 ppm)

± 15%

(2.00 - 10.00 ppm)

± 10%

(0.20 - 2.00 ppm)

± 15%

(2.00 - 20.00 ppm)

Resolution

0.001 ppm

0.01 ppm

0.01 ppm

Controlled Atmosphere Version

Available on Request

Available on Request

Available on Request

Sensor type

Gas-sensitive semiconductor

Operating temperature range

-5°C to 50°C; 23°F to 122°F (sensor head and base unit)

Relative humidity limit

95% maximum (sensor head and base unit)

Measurement Units

ppm or mg/m3

Removable/replaceable sensor heads

Yes

On-board alarm

Yes

Alarm status displayed

Yes

Battery status indication

Yes

Alarm mute function

Yes

Sensor condition status

Yes

Stand-by mode

Yes

Control

12VDC, 150 mA

Alarm

12VDC, 150 mA

Analogue output

0-5 V

Power supply

12 VDC, 800 mA

Rechargeable battery pack (optional)

9.6V Ni-MH (4 hours operation)

Portable (with optional battery pack)

Yes

Permanently fixable

Yes, Screw fix

Remote Sensor Capability

Yes

Data interface with PC

Yes, Serial RS232

On Board Data Logging

8,000 data points

Data logging independent of PC

Yes

Data logging direct to PC

Yes

On-board real-time clock

Yes

Data logging software supplied

Yes