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Accuracy at 25
o
C and constant pressure after thermal equilibrium has been reached.
Basic accuracy +/- 2% of full scale for all ranges except 0-2 PPM range. Accuracy for 0-2 PPM
range (+/- 5% of full scale).
Accuracy over the temperature range 0-35C at constant pressure after thermal
equilibrium has been reached. Basic accuracy +/- 5% of scale for all ranges except 0-2 PPM
range. Accuracy for 0-2PPM range (+/- 10% of full scale).
SENSITIVITY:
20ppb or better
REPRODUCIBILITY:
+/- 1% AT CONSTANT TEMPERATURE
RESPONSE:
90% in 90 sec. on the 0-2 PPM range with a flow rate of 2.5 SCFH.
SYSTEM OPPERATING TEMPERATURE:
32 – 98 DEG. F (0-35C)
SENSOR TYPE:
Micro fuel cell class B-2XL
SYSTEM POWER REQUIREMENTS:
100-115VAC 50/60 Hz (for battery charging only)
The system includes two sets of current limited NiCad batteries (internal).
WEIGHT:
6lb (2.71 kg).
-12-
RECOMMENDED SPARE PARTS LIST
311XL SERIES
QTY.
P/N DESCRIPTION
1 F-39 MICRO-FUSE, 0.25 AMP., FAST-BLOW
(FOR 210-240 VAC)