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Full details including operational description, user instructions, specifications, ordering options,
and mechanical disagrams are available in the product datasheet (see Product Links).
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Alarm Level
Specify alarm level for factory calibration
Alarm level from 10-80% of reading range
Level is field-adjustable by user via trimpot
State Indications
Normal and alarm state indication
Red LED steady=normal, blinking=alarm
Optional beeper for alarm indication
Optional relay for alarm/power fail indication
Environmental Requirements
Diffusion sampling
10% minimum atmospheric oxygen
10% to 95% R.H. (non-condensing) oper.
0.8 to 1.2 Atmosphere operating pressure
Relay Types
SPST - NO or NC contacts (2)
SPDT - NO and NC contacts (3)
Auto-resetting operation - all types
Latching (manual reset) - SPDT types
Choose SPST-NC for power fail detection
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Calibration
All devices factory calibrated
Span trimpot for field calibration
Do not use dessicated (0% R.H.) cal gas
Six month recalib. schedule recommended
Periodic factory recertification avail.
Incompatible Uses
Not for use in anaerobic environments
No dusty or corrosive environments
No condensing moisture
Not for use with dessicated calibration gas
No butane gas bump-testing
Adversely affected by silicone vapors
Very high gas levels may damage sensor
Mechanical
Open-frame circuit size: 61 x 48 x 26 mm
No-flange enclosure size: 74 x 56 x 26 mm
Flanged enclosure size: 74 x 82 x 26 mm
Open-frame weight: 30 g
Enclosed weight: 50 g
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