Diode Detector Inputs
Quantity: 4 per pod, expandable to 52 in sets of 4
Connector Type: LEMO coax. Note: Compatibility with BNC detectors
maintained by appropriate adaptors.
Detector Temperature Compensation: Auto, within 0.1 °C (negative
detector current only)
Calibration: User calibrated against ion chamber standard
Repeatability: ± 0.2% or ± 0.1 cGy
Detector Requirements: n or p type diodes responding between 5 to 100
nC/Gy
Polarity: Bipolar, i.e., measures positive or negative detector
current
Current Limit: ± 40 nA average radiation current or 1.0 nC per
radiation pulse
Leakage: Auto compensation
Warm-up Time: < 30 seconds
Environmental Temperature: 15° C to 32° C
Relative Humidity: 10% to 90% rh, non-condensing
Component Definitions, size and weight
Detector Pod: Measure dose received by diode detectors, 4 diodes per
pod; 7x12x3 cm, 340 gm
Base Station: Data relay between wireless Detector Pod, Base Station,
and Control Module;
7x12x3 cm, 340 gm
Control Module: User keypad and display module for start and display of
dosimetry measurements; 14x16x3.5 cm, 780 gm
Printer: Seiko Thermal DPU-414, serial port to Display, 9x320
dots/line, 40 column=9 cm; 16x17x6.6 cm, 580 gm
Component Configurations
| System | PC-Based | Control Module Based |
| User interface | PC (user provided) | Display Module |
| Detector Pod(s) | 1(up to 13*) | 1 |
| Base Station | 1 | 1 |
| Printer | 1* | 1* |
| Model Number | 1136000-0 | 1136000-0 |
* Optional Accessories sold separately
Power
Detector Pod: Rechargeable NiMH battery, 12 hour on full charge
Display, Control Module, Base Station: Share 15 VDC converter operating on 100-240
VAC 47-63 Hz mains
Electrical Isolation: Wireless – through radio frequency
communication, Manchester encoded Hardwired
PC Software (Distributed on CD with all systems)
Dose Range: 0 to 9.999 Gy; 0 to 999.9 cGy; 0 to 999.9 R
PC: Windows 95/NT4 or higher, Calibration, Measurement, Spreadsheet
Analysis, Reports, TBI database
Display Firmware: Field updateable, Calibration, Measurement,
Password protection
Display Module
Dose Range: 0 to 9.999 Gy; 0 to 999.9 cGy; 0 to 999.9 R
Control Module: LCD, 2 line, 16 character/line, 8 mm character height,
adjustable backlight and contrast
Keypad: 5 control keys – Function, Enter, Stop, Print, Increment 12
energy keys (also serve as numeric key entry)
Measurement: 2 keystroke, select Energy key to start measuring,
select Stop when finished.
Functions: Calibration, Temperature Coefficient Measurement, Password
protection, self diagnostics
Control Module Firmware: Field updateable