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Call 0345 2300 599Measall KC761A Radiation Spectrometer
High-sensitivity CsI(Tl) scintillation spectrometer with 8.2% FWHM resolution, energy-compensated dose measurement, spectrum analysis, extensive data connectivity and rugged IP65 construction.
The Measall KC761A is a portable radiation multimeter and spectrometer designed to provide considerably more information than a conventional Geiger counter.
At its core is a 2.54cm³ CsI(Tl) scintillation detector coupled to a solid-state SiPM sensor and integrated multi-channel analyser. Instead of simply counting detected events, the KC761A measures their energy distribution and can display a detailed radiation spectrum directly on the instrument.
With an energy response of approximately 9keV to 3MeV, gamma sensitivity of approximately 70cps/(µSv/h) at 662keV and energy resolution of up to 8.2% FWHM at 662keV, it is well suited to gamma and X-ray measurement, source comparison, spectroscopy experiments and general radiation monitoring.
Energy resolution of up to 8.2% FWHM at 662keV for clearer separation of spectral peaks.
Wide measurement response extending into the X-ray region and through common gamma-ray energies.
Long operating life from readily available replaceable AA batteries.
Weather-resistant enclosure with approximately 1.5m drop protection for portable use.
Measure Energy, Not Just Counts
A conventional radiation counter can tell you that an event has occurred. The KC761A goes considerably further by using its multi-channel analyser to measure the distribution of energy detected by the scintillation sensor.
The resulting spectrum can reveal individual peaks and other characteristics of the source, providing far more useful information for spectroscopy, comparison and experimental investigation.
CsI(Tl) Scintillator with SiPM
The KC761A uses a 2.54cm³ caesium iodide thallium-doped scintillation crystal coupled to a low-noise silicon photomultiplier.
View the Radiation Spectrum Directly
Spectrum Mode displays the measured energy spectrum directly on the KC761A, allowing characteristic peaks and overall spectral shape to be examined without first connecting the instrument to another device.
Measurement data can also be stored for later comparison or more detailed computer-based analysis.
Energy-Compensated Dose Measurement
In Dose Mode, the KC761A displays radiation dose rate together with a time-based graph showing how the measured level changes.
Because the KC761A measures pulse energy as well as event count, it can compensate for changes in detector response across different energies rather than relying only on a raw count rate.
Cumulative dose can also be recorded during longer measurement periods.
16mm² PIN Detector
Alongside the main scintillation detector, the KC761A includes a 16mm² PIN detector protected by a Mylar film.
This secondary detector can be used for experimental measurements involving alpha and beta radiation, giving the KC761A capabilities beyond its primary gamma and X-ray spectroscopy functions.
The instrument also provides an internal position for supported optional sensor modules, such as a neutron detector.
Active Temperature Compensation
The scintillation probe incorporates active temperature compensation to help minimise energy drift as ambient conditions change, particularly during longer spectrum accumulation periods.
Portable, Desktop or Networked
External power and data connectivity.
Wired network connection with Power over Ethernet support.
Wireless connectivity to supported Android and iOS devices.
Save measurement results, screenshots and spectrum data to removable storage.
Save and Export Your Results
A compatible TF or microSD card can be used to save measurement results and screenshots for later analysis.
KCSDI App and Network Monitoring
The KC761A can connect to compatible Android and iOS devices through the KCSDI app for remote operation and measurement-data transfer.
Ethernet and PoE also allow the instrument to form part of a fixed or remotely viewed monitoring installation without relying solely on battery power.
Around 300 Hours from AA Batteries
Rather than relying on a proprietary internal battery, the KC761A uses readily available AA cells and provides approximately 300 hours of battery operation.
Compatible rechargeable NiMH cells can also be charged by the instrument.
AA batteries and the optional TF / microSD storage card must be supplied separately.
IP65 and 1.5m Drop Protection
The KC761A is built for portable measurement work with an IP65-rated enclosure and approximately 1.5m drop protection.
Its specified operating range is -10°C to +50°C, while configurable light, sound and vibration alerts can warn the operator when a measurement threshold is exceeded.
Measall KC761A
Technical specifications for the portable KC761A radiation spectrometer and multimeter.
Spectrometer Specifications
Modes and Functions
Displays measured energy distribution and spectral peaks.
Energy-compensated dose-rate display with time-based graphing.
Records accumulated dose information during longer measurements.
Connectivity and Storage
Supported Measurement Data
- Screen captures in BMP format
- Dose-rate data
- Spectrum data
- Multi-channel analyser raw data in CSV format
Battery and External Power
Environmental and Construction
Operator Alerts
Shipping:
We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.
Returns:
If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:
Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.
Warranty Terms and Conditions
Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.
For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.
International Warranty information
Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]