Series 320 Monitor Base

Measurement units

ppm or mg/m 3

Removable / replaceable sensor head

Yes

On-board alarm

Yes

Alarm status displayed

Yes

Low battery indication

Yes

Alarm mute function

Yes

Sensor condition status

Yes

Stand-by mode

Yes

External signal for alarms & control

Transistor output, 150 mA max

External signal functions

Low Alarm, High Alarm & Control

Analogue output

0 - 5 V

Power supply

12 VDC, 800 mA

Rechargeable battery pack (optional)

9.6V Ni-MH (5 hours operation)

Portable (with optional battery pack)

Yes

Permanently fixable

Screw fix

Remote Sensor Capability

Yes

Enclosure rating

IP20 & NEMA 1 equivalent

Size (with sensor head)

195 x 122 x 54 (mm); 7? x 4¾ x 2? (in)

Weight (with sensor head and battery)

< 460 g; < 16 oz

Part 15 of FCC Rules
EN 50082-1: 1997
EN50081-1: 1992

Sensor Heads

Low

High

Leak

Measurement range

0.000 - 0.500 ppm

0.50 - 20.00 ppm

0.00 - 50.00 ppm

Accuracy

< 0.008 ppm (0 - 0.100 ppm)

± 10% (0.100 – 0.500 ppm)

± 10% (0.20 - 2.00 ppm)

± 15% (2.00 - 20.00 ppm)

± 20%,

15 seconds after Reset

Resolution

0.001 ppm

0.01 ppm

0.01 ppm

Controlled Atmosphere Version

Available on Request

Available on Request

Available on Request

T90 Response

< 60 seconds (T90)

< 35 seconds (T90)

< 10 seconds

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 range

0 to 400 ppm toluene

Accuracy

< +/- 10 ppm (0 – 200 ppm)

< +/- 10% ( > 200 ppm)

T90 response

< 60 s

Sensor type

Gas-sensitive semiconductor

Operating temperature range

-20°C to 60°C

Operating relative humidity range

5 to 95% non-condensating

Measurement range

0 to 1000 ppm

Accuracy

< +/- 5 ppm (0 – 100 ppm) < +/- 10% (100 – 1000 ppm)

T90 response

< 60 s

Sensor type

Gas-sensitive semiconductor

Operating temperature range

-20°C to 60°C;

Operating relative humidity range

5 to 95% non-condensating

Measurement range

0 to 2000 ppm carbon monoxide

Accuracy

< +/- 10 ppm in the range 0 to 400 ppm

T90 response

< 150s

Sensor type

Gas-sensitive semiconductor

Operating temperature range

0°C to 70°C;

Operating relative humidity range

5 to 95% non-condensating

Approvals

UL 2034, BS 7860