Teledyne LGA-3500 - Laser Gas Analysis system - Manual (Page 91)

Laser Gas Analyzer Appendix
Teledyne Analytical Instruments 77
Appendix
Specifications
Optical path length
(OPL)
≤ 12m
Response time < 1s
Linear accuracy ≤ ± 1% FS
Span drift
≤ ± 1% FS (within maintenance
interval)
Zero drift Negligible
Warm-up time < 1hour
Maintenance interval
< 4 times/year (no replacement
parts)
Technical
Features
Calibration interval <4 times/year
Analogue output
4~20mA current loop, 500Ω Max,
isolated
Digital output RS232/GPRS
Relay alarm
3-Channel (Relay Specification:
220V, 0.5A)
Input &
Output
Signal
Analogue Input
4-20mA environment gas
temperature, pressure input
(optional)
Environment
temperature -20 —50 (adjustable upon
customer request)
Protection class Transmitter/ Receiver: IP65
Power supply 220 VAC, 50Hz, <30W
Operation
conditions
Purging gas N
2
, etc.