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943-227-15 Digital Preamplifier
Operator Manual
1-2
Table 1-1. 943-227-15 Variations and Compatible Equipment
Preamplifier
Variations
Application Detector Readout
943-227-15 Digital
Preamplifier
Transmission
Distances
Less than 50 feet
943-27-31 Beta
Detector,
Current Mode
Operation
942A-200C Digital Ratemeter
or Model 960 Digital Process
Control System
943-227-15VL Digital
Preamplifier
Transmission
Distances up to 1
mile
943-27-31 Beta
Detector,
Current Mode
Operation
942A-200C Digital Ratemeter
or Model 960 Digital Process
Control System
943-227-15VL-M1
Digital Preamplifier
Transmission
Distances up to 1
mile; 2.0 inch conduit
field cable interface
943-27-31 Beta
Detector,
Current Mode
Operation
942A-200C Digital Ratemeter
or Model 960 Digital Process
Control System
1.3 Specifications
General specifications for the Model 943-227-15 Digital Preamplifier are listed below. The 943-227-15
series products are designed for nuclear applications, and any repairs to it by personnel not qualified to
ANSI 45.2.6 1978, Skill Level II may void the nuclear rating.
If a problem develops, the preamplifier may either be returned to the factory for service, or repaired by a
qualified technician.