NP-1000/NPP-1000

The NP-1000 and NPP-1000 are advanced design neutron monitoring safety channels already in use at many research reactor installations worldwide. All NP-1000 channels feature current mode analog circuitry for percent power and pulse power monitoring (NPP-1000 only) using signals generated by an ionization chamber. They include a built-in pulse integrator circuit (NPP only) and connect to computer analysis systems and/or hard-wired scram systems. The integrity of NP-1000 output signals is assured by the use of isolation devices.

NP-1000/NPP-1000 LOG SAFETY CHANNEL SPECIFICATIONS
INPUT RANGE
0-1 mA Detector Current Calibrated to Maximum Pulsing Power
OUTPUTS
Isolated
0-10 V or 4-20 mA, Power 1 & Power 2
0-10 V or 4-20 mA, NVT, Peak Power (NPP)
Four Configurable Outputs
BISTABLE TRIPS
High Voltage Trip
Power 1 Trip
Power 2 Trip
Power 3 Trip
Power 4 Trip
NVT Trip (NPP)
Adjustable, 2 Form C Contacts
Adjustable, 2 Form C Contacts
Adjustable, 2 Form C Contacts
Adjustable, 2 Form C Contacts
Adjustable, 2 Form C Contacts
Adjustable, 2 Form C Contacts
OUTPUT RESPONSE TIME
25 ms at 2 x 10E-7A
INPUT
117 Vac ± 10%, 50/60 Hz @ 1.0 Amp
DIMENSIONS (Approximate)
Maximum 4.6 inches (W) x 8.3 inches (H) x 15.8 inches (D)
(16.7 (D) with connectors and front panel potentiometer)
WEIGHT (Approximate)
11 pounds