GasFinder Open Path Monitor – Specifications

Central Control Unit

Weight	12 Kg	Gas	Sensitivity
Dimentions (LxWxH)	26.0x20.0x15.0 cm	HF	0.1 ppmm
Power requirements	2A@12VDC	H²S	20 ppmm
operating temp. range	-30°C to +50°C	NH³	1 ppmm
Lase Type	Semiconductor Laser 5-15 mW	CO²	1000 ppmm
Display type	2x20 Character LCD	CH4	1 ppmm
Data I/O options	RS232, 9600/2400/1200, 4-20 mA current loop	Scan rate	1 sample/sec
Hazardous area classification	N. America Class 1, Div 2, Groups A,B,C,D Cenelec Zone 0 (EEx ia IIC T4)	Distance range	10-1000m
Eye safety class	Class I	On stream efficiency	> 95% per month
Co-Axial cable	RG312/U (Belden 9880); Armored cables available on request.
optical fibre	9 micron single mode fibre, with FC/APC terminations

Open Path transmitter

Weight:	4Kg	Dim. (LxDia.):	35.0 x 10.0 cm
Operating temperature range:	-30°C to 50°C

Across-duct Transmitter

Weight:	10Kg	Dim. (LxDia.):	40.0 x 12.0 cm
Operating temperature range:	-30°C to 50°C

Extractive Multipass Cell (10m Herriot)

Weight:	3Kg	Dim. (LxDia.):	45.0 x 15.0 cm
Operating temperature range:	-30°C to 50°C

In-Situ Probe (1m long version)

Weight:	7Kg	Dim. (LxDia.):	100.0 x 12.0 cm
Operating temperature range:	-30°C to 50°C