Appendix B
Specifications
Results may vary under different operating conditions.
Table B–1. Performance specifications
Operating
principle
Gamma radiation from the source passes through the process pipe and
material. The amount of radiation reaching the detector decreases as
the process level increases.
Accuracy ± 1% of span
Stability Drift less than 1.0% absolute radiation change per 6 months
Table B–2. 9701/9702 ion chamber detector specifications
Power supply 115/230 Vac ±10%, 50/60 Hz, 500 VA
Operating temperature range -30°C to +60°C (-20°F to +140°F)
Approvals Non-explosion proof (9701):
NEMA 4, Type 4
Explosion proof (9702):
Class I, Div. 1, Groups B, C, D
Class II, Div. 1, Groups E, F, G
Class III
NEMA 4, Type 4
Dimensions Non-explosion proof (9701):
~8 in diameter x 15.5 in tall
(200 mm diameter x 400 mm tall)
Explosion proof (9702):
~8 in diameter x 19.5 in tall
(200 mm diameter x 500 mm tall)
Weight Non-explosion proof (9701): 58 lb (26.3 kg)
Explosion proof (9702): 100 lb (45.4 kg)
Thermo Fisher Scientific DensityPRO+ Installation Guide B-1
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