T-RAD-ANALOG specifications
Technical note
- 202208
- English
T-Rad-Analog
P/N 202306Analog (BNC) power module, to interface THZ-B heads with oscilloscopes and lock-in amplifiers.
Product family key features
Analog interface for THZ-B series
Analog (BNC) power module, to interface THZ-B heads with oscilloscopes and lock-in amplifiers.
Detector compatibility
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Terahertz
Average power (compatible with THZ-B series only)
Related products
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THZ5B-BL-DA-D0
THz detector for power measurements up to 25 µW.
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THZ9B-BL-DA-D0
THz detector for power measurements up to 125 µW.
Controller and GUI specifications
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Digital display size
Computer Screen -
Analog output
BNC -
External trigger
None -
Battery type
9 V -
External power supply
9 VDC 1.66 A
Power meter specifications
Energy meter specifications
Physical characteristics
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Dimensions
101.6W x 30.5H x 127D mm -
Weight
0.424 kg
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There is no curve or drawing document available for this product. Contact us for more details.
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There is no accessory available for this product.
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There is no user manual available for this product.
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There is no document to download for this product. Contact us for technical details.
T-RAD
The T-RAD is a microprocessor-based digital radiometer that includes a 12-bit ADC and unique DSP lock-in software. It is powered by a USB connection, which also acts as a virtual COM port. When a THZ-B terahertz pyroelectric detector is plugged into the T-RAD module, the module reads the content of the head's EEPROM, which identifies the detector and provides calibration and wavelength correction data. The LabView software supplied with the device makes it very easy to set up the radiometer, measure a THz or broadband source and record data. The software is compatible with Windows 7,8 & 10.
THZ-B-DA DETECTOR AND OSCILLOSCOPE
Here is a basic analog set up that would be useful if the optical power of the source was about 5 µW or greater. The output of the THZ5B-BL-DA detector would be approximately 600 mV @ 5 Hz chopping frequency, giving plenty of signal for an oscilloscope. Simply read the voltage output and divide by the Rv factor (V/W) of the detector to measure the intensity of the source in Watts. Also consider applying a wavelength correction factor under certain circumstances.
THZ-B-DA DETECTOR AND LOCK-IN AMPLIFIER
This is another analog set-up option that we recommend if you have to measure very low power levels (i.e. less than 5 µW) where the signal may be buried in the broadband noise. The voltage output of the analog THZ-B-DA detector, powered by our T-RAD-ANALOG, is routed to the Lock-In Amplifier input, and the Sync Output of our SDC-500 Chopper is connected to the reference input. The Lock-In Amplifier will lock on the chopping frequency and you can dial in a long integrating time and measure a very low RMS voltage. The voltage divided by our Voltage Responsivity (V/W) equals the power of the source.
THZ-B-DZ DETECTOR AND T-Rad MODULE
Although analog solutions are available, for simplicity, convenience and sensitivity, we recommend you choose our THZ-B-DZ detectors and the T-RAD digital radiometer. Our unique DSP Lock-In Amplifier software provides a function much like the Analog Lock-In, but is so much easier to use. It also addresses thermal drift of the sensor and allows you to display the power measurement and complete statistics directly in digital and graphic formats. Set the range, null the background, set the filter tau (bandwidth) and make the measurement. It's that easy!
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