GM35 Operating Instructions
Probe Model
Technical specifications, consumables and spare parts
96 © SICK MAIHAK GmbH • Germany · All rights reserved 8009389/07-2006
10.1.1 Stability
10.1.2 GM35 system components
Requirement Stability
based on MRE
Duration
Zero point ± 2% • over 7 days, as per U.S. EPA
• without intervention and accord. to the min. re-
quirements regard. the maint. interval of 3 months
Sensitivity ± 2%
Stability of zero point and sensitivity
GM35 sender/receiver unit
Measuring Principle In-situ, IR filter, and/or gas correlation
Light source IR transmitter
Detectors PbS and PbSe
Response time (T
90
) 5 … 300 s with GMP measuring probe (open probe version); qualification test with 35 s
Mean value calculation Parameterizable as floating integral between 5 and 300 seconds
Interfaces CAN bus (electrically isolated) for data transfer within the GM35 measuring system
RS232 (Service)
Indicators • Status LED (operation: green, maintenance: yellow, malfunction/failure: red)
• Optical alignment indicator
Degree of protection IP 65 / NEMA 4x
Measuring gas temperature 430 °C
Ambient temperature –20 to +55 °C; other temperatures available on request
Temperature change max. 10 °C/h
Ambient humidity max. 96% rF
Condensation Condensation on the optical boundary surfaces is not permitted
Shock and vibration as defined in EN 61010-1
Storage temperature –30 to +55 °C
Power supply 115/230 V AC +10/–15%, 48 to 62 Hz
Power consumption max. 350 W
Dimensions (W x H x D) 291 x 530 x 570 mm
Weight 29 kg
Data og GM35 sender/receiver unit