Photodetector is intended for use in fiber optic sensors:

PD-14-2K-3130A

Features: - single supply 5..15V - low noise - high linearity - single-mode or multi-mode optical input to fiber connector

Main specifications:
Sensitivity: 1..100 V/mW
Wavelength: 600..1550 nm
Bandwidth: DC - 0.01..3 МГц
Offset output voltage Uoff: ~ 1 mV
Threshold of sensitivity (in BW 200 kHz): 2..200 pW
DC supply voltage Usup:  5..15 V
(operation at supply voltages below 8.3 V results in degraded performance)
Optical input: SM or MM to connectors ST, FC or SC
Power supply connector: DJK - 5.5х2.1 mm
Output: BNC, 1 kW, Uout = Uoff...Usup
Sizes, LxHxW: 170 х 40 х 95 mm

PD-14-2K-3130A

Features: - single supply 18 (8..15) V - low noise - low offset output voltage - high linearity - single-mode or multi-mode optical input FC

Main specifications:
Sensitivity: 1..100 V/mW
Wavelength: 1100..1650 nm
Bandwidth: DC - 200 kГц
Offset output voltage Uoff: < 1 mV
DC supply voltage Usup:  18 (8..18) V
Optical input: SM or MM to connector FC
Power supply connector: DJK - 5.5х2.1 mm
Output: BNC, 1 kW, Uout = Uoff...12.5V
Sizes, LxHxW: 90 x 30 x 35 mm

Specifications of the photodetector is matter to be discussed.