Nishchaya Tech Solutions
Area Gamma Monitor is designed to monitor the Gamma radiation in the surrounding area. This system is useful to check the background radiation in interested area. This is useful to check the radiation levels from health physics point of view. This Unit consists of built-in circuits to generate Detector High voltage bias and to process output pulse of the Detector. The System is controlled by a microcontroller and the results are displayed in built-in Graphical LCD module. Either external GM Tube or internal GM Tube can be used to find out Gamma radiation in vicinity area. Alarm is provided with variable radiation level threshold to alert the user on exceeding the threshold value.
Salient Features- Microcontroller based
- Digital Display (Graphical LCD Module)
- CapSense Keypad
- Menu Driven Instrument Control
- S/W Settable Detector HV Bias and continuous monitoring
- S/W Selectable Alarm Threshold and Control
- S/W Selectable Dead Time
- RS232 Data/Debugging Port
- Internal Detector (Default Optional)
| FEATURE | DETAILS |
|---|---|
| Radiation Detected | TYPE: γ (Gamma) | ENERGY RESPONSE: 50Kev to 1.5 Mev ± 15% |
| High voltage(HV) | Built in 300-1200 volts (±5V) Factory settable | Current: 150 micro amperes @ 600 Volts |
| Detector | Default: Energy Compensated GM Tube options ZP1201 (standard) | ZP1220 (Optional) | LND 78017 (Optional) |
| User Adjustable/ Software Features | HV Adjustment | Noise Discriminator | Selectable Dead Time Correction (150μs, 200μs, 250μs) |
| Unit Features | CPU :32 bit PIC Controller, 200MHz | LCD Display :16 x 2 Character LCD display with back light | LED Display: 4-Digit Seven Segment Display(2.3”) | Measurement Rage : 0.01 to 1000.0 mR/Hr (configurable to mGy/ μSv) | Certified by AREB recognized Calibration Center | CapSense Keypad | Remote Operation through RS 232 Port | Ethernet on RJ45 | web based monitor and control on Ethernet | Storage : 2 MB SPI/SQI Flash | Real time Clock with Battery Backup | Alarm: Selectable through keyboard, Two potential free changeover contacts, Audible Sound, Green/Red led indication for below and above Alarm threshold | LED indication: HV Failure, Detector Failure | Ethernet Interface |
| Optional Features | RS485 | Modbus on RS485 | Modbus on TCP/IP | External detector with suitable cable |
| Data Acquistion System with different monitor sizes based on customer needs | |
| Web based Data Monitoring SW on LAN/RS485 (optional package) | |
| Power | Mains ~ 230V /50Hz | Battery Backup – 12V 7Ah (Optional Li-On) |
| Enclosure | Galvanized Steel Enclosure with powder coating | 240mm x 240mm x 160mm |
| Options | NAGM-03DA LRI | NAGM-03DA LRE | NAGM-03DA MRI | NAGM-03DA MRE |
|---|---|---|---|---|
| 0.01 to 100mR/Hr. Internal Detector. | 0.01 to 100mR/Hr. External Detector. | 1 to 1000mR/Hr. Internal Detector. | 1 to 1000mR/Hr. External Detector. |
- DOAS is a multi microcontroller based system interconnected via RS485 The functionality is distributed across:
- Console Unit: User interface, data processing, storage, and report generation
- Operator Unit: Requests start of Data Acquisition from a Arch where the ore dumper is parked
- Audio Visual Unit: Audio & Visual indication of quality of Ore available in the dumper
- Sample Number display: Current sample number from configuration of system
- Detector (6 to 8): consists of photomultiplier tube, the electronics for high voltage generation, signal conditioning and data acquisition
MOISTURE PROOF GAMMA DATA LOGGER (MPGDL)
Moisture Proof Gamma Data Logger is designed to use in high moisture areas like mines. These systems are useful in finding the direction to continue the digging to take ore from underground mines. The principle of analysis is based on γ-ray radiation intensity observed from mine wall.
The circuit consists of the following:
- High Voltage Generation circuits to provide the bias voltage for GM tubes
- Pre amplifier to receive short duration pulses from the GM Detectors
- Shaping amplifiers to improve signal-to-noise ratio
- Pulse digitizers to determine count rate
- GM Detectors
Bore Hole Depth Recorder is field operated instrument and is used to measure and record the depth of the borehole (bore well with smaller diameter than the normal ground water bore wells drilled for mineral exploration). The senor cable is passed through this pulley into the borehole and the cable length that is passed into the bore hole is measured digitally by means of this pulley
Precision High Voltage Measurement Meter is designed to measure the Radiation Detector Bias Voltage. The input impedance of this HV Voltmeter is 20GΩ which can measure 2500V DC.
Beta Gamma Data logger is a Laboratory System to estimate Gamma intensity emitted from the sample.
The circuit consists of the following:
- High Voltage Generation circuits to provide the bias voltage for Gamma detectors
- Shaping amplifiers to improve signal-to-noise ratio & pulse digitizer
Advanced Gamma Counting System is a Laboratory System to estimate Gamma intensity emitted from the sample.
The circuit consists of the following:
- High Voltage Generation circuits to provide the bias voltage for Gamma detectors
- Shaping amplifiers to improve signal-to-noise ratio & pulse digitizer
- ADCRM is a battery operated data acquisition system used for carrying out gamma ray logging of boreholes using GM or Scintillation logging probe.
- It has provision for controlling/interacting with other modules like Digital depth Recorder on RS485
Advanced Core Assay System is a sample analyzer used to estimate Radiometric Intensity of the Rock Samples. This system is used to analyze rock core sample recovered during drilling of boreholes made for mineral exploration. The principle of analysis is based on γ-ray radiation intensity of the rock samples.
The circuit consists of the following:
- Six High Voltage Generation circuits to provide the bias voltage for GM tubes
- Pre amplifier to receive short duration pulses from the GM Detectors
- Shaping amplifiers to improve signal-to-noise ratio
- Pulse digitizers to determine count rate
- Six GM Detectors
- Interface for BORE HOLE DATA LOGGER