Description
Specifications :
- Modular, Portable Monitor suitable for continuous realtime measurement of tritium in air-HT 0r HTO in the presence of background gamma radiation and FENGs.**
- Detector : Dual PMT coupled Plastic Scintillator based Four Port SS Cell of volume 24 cc. Cell rated at4 Kg/cm2 air pressure.
- Detection Range : 0.1 to 1000 DAC
- Sensitivity : Equal to or better than 1 cps, MDA : 0.1 DAC at 0.2 mSv/hr
- Electronics : PMT preamplifiers & high stability 0-1500 V DC adjustable HV power supplies, Coincidence Signal Processor Preamplifier, Spectroscopy Amplifier, TSCA, Adder, Fast Coincidence, Gated ADC, Digital Pulse Processor and 2K Multichannel Analyzer. LCD-TFT-7” graphic display, Data storage on pen drive. Standard Data Acquisition and Display Software.
Programmable Control Board for upto 8 nos. solenoid valves selection for air sampling from max. 8 lines or locations.
4-20 mA o/p and one no. potential-free NO-NC relay contacts (230V, 2 Amp rated) made available on the back panel. Computer interface, data transfer USB port, TCP/IP, Ethernet communication. - Software: WIN CE or equivalent operating system, user friendly GUI, Log file, data storage, spectrum data analysis and Computation Analysis software to compute and display tritium parameters.
- Programmable Air Sampling : Continuously rated oil-less diaphragm pump- 2 nos. capable of sampling air at a maximum rate of 20 LPM each from a distance of 20 meters through 8 mm OD PP tubing, 50 mm dia SS filter holder, electronic 0-30 SLPM flow sensor to indicate flow rate, pump switching time adjustable from 1 to 59 minutes – in steps of 1 min. Time parameters on LCD display, Digital Flow sensor : Range 0-30 SLPM with indication, one no. adjustable flow valve. The flow sensor indicates filter health : punctured filter, blocked or choked or dust particles loaded beyond set limits by measuring actual flow across the filter. One no. potential free NO-NC relay contacts (230 VAC, 2 A rated) provided on the back panel of Electronics unit. Over pressure relief valve (factory set at 0.2 Bar g) and air sump cylinder buffer to protect the diaphragm pumps from damage due to over pressure. Three way ball valve and moisture trap for HT and HTO measurements.
- 230V, 50 Hz , single phase Mains supply operation,
- Environmental Conditions : Max. 400 C, upto 95% RH non-condensing
- Weight : 25 Kg approx.
ACCESSORIES :
- SS Open Trolley for mounting Main & Pump Unit, Detector Module, 2” filter holder,mains distribution board, 5 Meter trailing mains cable.
- PP tubing for remote air sampling 8 mm OD, specify length – max 20 meters.
- Extra SS 4 – port Flow Cells
- 5.5 cm Thick Lead Shield for Sensor Unit **
- 8 Channel Solenoid Valve manifold Unit for sampling air from 8 locations
- Purge Panels for operation in hazardous areas
** Results obtained during experiments carried out in operating plants show the Monitor give reliable Tritium readings in the background gamma field of 1 mR/hr and in the presence of FPNG gases like Ar41 and Xe133 to a concentration of up to 108 Bq/m3.
