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TRIAD™ TnT X-Ray Field Service/Calibration/QA Kit
Model 10500AMT
Introduction
The TRIAD TnT Kit is a full-function, x-ray dosimeter kit that performs fast, highly sensitive measurements in all modalities for x- ray field service, calibration, and quality assurance testing. The Model 10100AT TRIAD TnT Dosimeter Kit features the Model 35050AT Dosimeter, a technologically advanced, microprocessor-controlled, x-ray radiation dosimeter. The kit also includes ion chambers and test stand, triaxial/coaxial cable, AC adapter, HVL filter set, RS-232 interface cable with adapters, customization software, instruction manual CD and lightweight carrying case.
Applications
The TRIAD TnT Kit is ideal for government compliance testing, troubleshooting, repair of diagnostic x-ray equipment, installation and setup of new equipment, preventative maintenance, radiographic quality assurance measurements, and measurements required for JCAHO accreditation. The TRIAD TnT Kit performs measurements for all modalities: radiographic, fluoroscopic, mammographic (MQSA), CT, cine and dental.The TRIAD TnT incorporates the latest design innovations to enhance ease of use, range of applications and save valuable time. TRIAD TnT continues the TRIAD tradition as the most accurate, widely used instrument of its kind available.
New TRIAD TnT performance
Save time in setup and procedure• Automatic temperature and pressure correction for faster operation in any environment
• New time saving scroll functionality for faster initial settings and recovery
• Recognizes and ignores spurious background signalsExpand the range of functionality from a single instrument
• Very Low Dose Rate (down to 20 nGy/sec at a resolution of 1 nGy/sec)
• Broader range of dental unit kV and time measurement to include units with filament preheat
• Pulse count mode for use with single phase units with pulse count timers
• Easily measure small image intensifiers (6 inch and smaller)
• AC adapter for use in lieu of batteriesFeatures
- Bright display direct readout in user-selected units, including R, Sv, Gy, /sec, /min, /hr, /frame, or electrical units (C or A)
- Image intensifier measurements at 0.1 μR and 0.1 μR/sec resolution; cine in μR/frame
- Expanded kVp and exposure time measurement capabilities
- Patented Linear Mammo Filter Pack kVp corrected based on Mammo K-Edge Filter Pack
- Simplified controls include auto-reset, auto-ranging, automatic offset & drift compensation, automatic power-down and automatic pressure and temperature correction
- Includes kVp and exposure time measurements when the Model 35050AT is used with the Model 35080B Non-invasive kVp Divider
- Optional TRIAD Toolkit for Excel for remote operation, waveform capture and calibration, includes MQSA, Rad and Fluoro templates
- Self-checking features include Model 35050AT battery voltage, bias voltage, ion chamber/cable leakage, and hardware/software checks
- Six AA alkaline batteries provide instrument power, as well as 300 V electronic ion chamber bias. Auto power-down feature extends battery life
- New AC adapter that can be used in lieu of battery operation to minimize delays associated with battery replacement
Specifications for TRIAD TnT Dosimeter Kit (Model 10100AT)
Exposure and exposure rate accuracy Basic accuracy of Model 35050AT is ± 1% of reading ± 2 range resolution steps over range of 18° to 28°C and ± 2% of reading ± 2 range resolution steps over the full operating temperature range of 0° to 50°C. 3% NIST-traceable calibration provided with each system and includes effects of Models 35050AT, 96035B and 96020C
Exposure time measurement Exposure time accuracy is ± 0.1% of reading ± 0.2 msec. Maximum exposure time is 6.5 seconds and measurement resolution is 0.2 msec
Nominal measurement rangeMeasurement modes
kVp/Dose/Time Single shot, direct beam measurement of exposure, kVp, and time. Auto-ranging across three decade ranges. Auto reset between exposures. Display update after each exposure
kVp/Rate Simultaneous measurement of kVp and exposure rate
Full sensitivity dose Auto-ranging across five decades of sensitive ranges. Automatic drift & offset compensation, and automatic post exposure display hold
Full sensitivity rate Measurement range covers a span from low-level image intensifier measurements to unattenuated direct beams. Automatic offset compensation and nonlinear filtering. Auto-ranging
provides five decades of sensitivity ranges. Display updates once per second
Very Low Dose Rate (VLDR) This mode is only for making very low dose rate measurements. Nonlinear digital filtering and autoranging provide five decades of sensitivity ranges. Display updates once per second. In this mode, automatic current offset and drift compensation is disabled. As a result, the system can display very low dose ratesPower requirements Life ~30 hours with six AA alkaline batteries. Automatic power-down after user-selected period of unattended operation (5-255 minutes). An AC adapter is supplied with each 35050AT. When the AC adapter is in use, the auto power down feature is disabled, providing continuous operation. User selections for ion chamber, units, kV filter pack, temperature, pressure, and frame are stored in nonvolatile memory before automatic turnoff; eliminates manual re-selection at power-up
Bias voltage supply Fixed electronic bias (~ 300 V). Bias voltage is removed from triaxial input connector at instrument turnoff
Customization Allows user to modify contents of nonvolatile memory including ion chamber and kV filter pack conversion factors, temperature and pressure units, radiation units, and power down interval. A field customization software program is included for use with an IBM®-PC or compatible
Display Two-line, 20-character alphanumeric PLED (polymer LED), with 0.5 cm character height. Indicates all ion chamber/kV filter pack identification information, numerical measurement results, battery level, calibration date and other information
Weight 14 lb (6.4 kg)
Connections
Model 35080B interface Male, two lug BNC
Computer interface RS-232, using RJ-45 connector. 9,600 baud 8-bit, 1 stop, no parity, xon/xoff. Enables fully-programmable operation and waveform display from a PC with optional Excel add-in. Powered when connected to computer
Ion chamber input Triax, BNC. Collector and guard positive-biased relative to ion chamber body and dosimeter chassis
Power 2.1 mm DC Power Jack, power input for an unregulated 9 V, 200 mA adapter with a center negative, 2.1 mm plugOptional accessories
USB to RS-232 adapter (Model 38617)
Accessories supplied
Test stand (Model 37581) Machined stainless steel upright rod with base, ion chamber holder, and tray for HVL filters, which includes one ion chamber stem
Programming kit (Model 37594) Includes customization software on CD, IBM-PC format and 6.5 ft (2 m)RS-232 interface cable with adapters for PC-type and AT-type computers
Instruction manual (Model 35050ATCD) Model 10100AT TRIAD Field Service Kit Operator’s Instruction Manual on CD
Cable (Model 38208) 20 ft (6 m) coax/triax cable
AC adapter 9 V, 200 mA, DC
HVL filter set (Model 37668) Set of 12 aluminum filters for half-value layer measurements, which includes one 2 mm, two 1 mm, two 0.5 mm, three 0.1 mm, one 0.2 mm and three 0.05 mm
Kit carrying case (Model 37500D) High density polyethylene (HDPE) plastic absorbs impact to protect contents. Custom-cut, high quality foam interiors surround and protect standard kit equipment and accessories. Dimensions 13 (w) x 18 (d) x 6 in (h) (33 x 46 x 15 cm)
Diagnostic ionization chambers (Models 96035B and 96020C)
Energy range
96035B: 30 to 150 kVp; 20 to 50 kVp for mammographic
96020C: 30 to 150 kVp
Nominal sensitivity
96035B: 2.00 x 108 R/C (1.75 x 106 Gy/C) at 22°C and 1013 hPa 2.21 x 108 R/C (1.94 x 106 Gy/C) at 22°C and 1013 hPa. Flat response suitable for conventional diagnostic radiography and
mammography 96020C: 2.08 x 107 R/C (1.82 x 105 Gy/C) at 22°C and 1013 hPa.
Optimized for low-level image intensifier and cine measurements
Construction
96035B: Graphite-coated acrylic, parallel-plate, air-vented
96020C: Composite graphite-filled thermoplastic; parallel-plate, air-vented
Volume 96035B: 15 cm3; 96020C: 150 cm3
Specifications for mA/mAs Meter (Model 35035)
The Model 35035 Digital mA/mAs Meter is a versatile instrument that is used by x-ray service engineers, field service engineers and biomedical engineers to accurately measure mAs and fluoroscopic mA accurately for diagnostic, radiographic, and fluoroscopic imaging equipment. The Digital mA/mAs Meter operates with one, easily replaceable 9 volt alkaline battery, facilitating convenience and portability.
Controls Power mA/mAs switch; Reset switch; Range switch: 200 mA/mAs, 2000 mA/mAs and 20 mA range settings; AC/DC switch
Accuracy 1% of reading ± two least significant digits for all ranges
EnvironmentalTemperature range 5 to 35°C
Relative humidity 0 to 80%
Storage temperature - 20 to 50°CDimensions 2 (w) x 2 (d) x 3.50 in (h) (15 x 5.0 x 8.75 cm)
Weight 0.78 lb (0.35 kg)
Display Liquid crystal display (LCD), 3.50 digit, 0.5 in (h) (13 mm)
Input Two banana jacks
Power requirements One 9 V alkaline battery with easy replacement
Accessories suppliedTest Lead Kit (Model CA-23)
Specifications for Non-Invasive kVp Divider
(Model 35080B)
The Model 35080B Non-Invasive kVp Divider quickly and accurately measures kV for all modalities. The unit checks both above and below table tubes and displays the results on either the Model 35050AT Dosimeter, a storage oscilloscope, or optional Excel Add-in software. The Model 35080B Non-Invasive kVp Divider is highly portable and eliminates the need for bulky and heavy high-voltage divider tanks.
A patented* wide range filter pack is included with the Model 35080B Non-Invasive kVp Divider and provides accurate readings for the range of 50 to 150 kVp. Four optional filter packs are available for use with the Model 35080B Non-Invasive kVp Divider for CT, mammographic, and mobile applications.Features
- Non-invasive technology eliminates the hazards of high-voltage cables and the need for bulky divider tanks
- Optional filter packs enable testing in virtually all modalities
- Rh/Rh measurement capability when Model 35080B Non-Invasive kVp
Divider is used with Cadmium K-Edge and Linear Mammo Filter Pack Pair
Range 50 to 150 kVp, using only the wide-range radiographic filter pack (Model Number 37617). Range and versatility are extended with the use of special optional filter packs
Accuracy Accuracy of ± 2% of reading in the range of 50 to 150 kVp, exclusive of linearity, filtration, and gain effects. Linearity corrections automatically applied when using Model 35080B Non-invasive kVp Divider with Model 35050AT Dosimeter
Response time 150 μs (10% to 90%)
Calibration Internally generated signal provides a calibration check.
Minimum time for valid reading 1 ms, 3-phase; one line cycle, singlephase
Tube current Wide dynamic range from 4 to 3000 mA (3 phase), 2 to 1500 mA (single phase). Generator settings will vary in waveform and distance. Less than ± 1 kV effect for wide-range radiographic filter pack covering 50 to 150 kVp. Specialty filter packs may have different characteristics
Environmental
Temperature range 0 to 35°C
Relative humidity 20 to 80%
Storage temperature - 35º to 50°COrientation Long axis of the Model 35080B Non-invasive kVp Divider oriented perpendicular to axis of x-ray tube to eliminate heel effect
Power requirements One 9 V battery, 60 hours operation
“Battery-Check” function connects battery to output terminals for voltage measurement
Dimensions 2.375 (w) x 3.5 (d) x 8.25 in (h) (6.0 x 9.0 x 21 cm)
Weight 1.50 lb (0.68 kg)
Accessories suppliedWide-Range Filter Pack (Model 37617) For 50 to 150 kVp
Fitted carrying caseOptional accessories
CT Filter Pack (Model 33551) Provides precision measurements in the 70 kVp to 140 kVp range with an accuracy of ± 2%. Active area is just 3.8 cm x 0.48 cm, to accommodate the narrow beam of most scanners
Cadmium K-Edge and Linear Mammo Filter Pack Pair (Model 37351/37355)
Cadmium K-Edge Mammo Pack uses the inherent stability of the cadmium k-edge as an absolute reference for precision measurements between 27.5 and 29.5 kVp with ± 0.5 kV accuracy. Use the Linear Mammo Pack with the Cadmium K-Edge Mammo Pack for
precision calibrations of ± 1.0 kV accuracy from 22 to 40 kVp
Mobile Filter Pack (Model 37946) Easily and accurately measures kV on mid-frequency generators (> 1 kHz) with substantial kV ripple (> 8%). Provides precision measurements in the range of 50 to 135 kVp with accuracy of ± 2%
Low Range Filter Pack (Model 38237) Provides precision measurements in the 30 to 90 kVp range with an accuracy of ± 2%. For radiographic generators using tungsten target
Specifications for Diagnostic Ion Chambers (Models 96020C and 96035B)
The Models 96020C and 96035B Diagnostic Ion Chambers are vented volume, parallel-plate air ionization chambers with side-mounted BNC triaxial connectors. The Model 96020C Ion Chamber has a nominal volume of 150 cm3; the Model 96035B has a nominal volume of 15 cm3. Both ion chambers have a fully-guarded, centrally-located collector plate that provides superior collection efficiency. The patented* Model 96035B has a dual energy range that enables both diagnostic and mammographic measurements. Diagnostic measurements are taken using one side of the chamber as the entrance window, and mammographic measurements are accomplished using the other side as
the entrance window.
Features
• Very low leakage and low noise
• Rugged mechanical construction
• These ionization chambers are supplied with triaxial BNC connectorsEnergy range
96020C 30 to 150 kVp
96035B 30 to 150 kVp for diagnostic measurements. 20 to 50 kVp for mammographic measurementsNominal volume
96020C 150 cm3; 11.30 cm diameter by 1.50 cm thick active volume
96035B 15 cm3; 3.96 cm diameter by 1.22 cm thick active volumeNominal sensitivity
96020C H60: 2.08 x 107 R/C at 22°C and 760 mmHg. Optimized for
low-level image intensifier and cine measurements
96035B L100: 2.0 x 108 R/C at 22°C and 760 mmHg. MV30 (PTB Mammo Point): 2.21 x 108 R/C at 22°C and 760 mmHg. Flat energy response suitable for conventional diagnostic radiography and mammographyLeakage current < 10 fA under normal bias conditions (300 V)
Collection efficiency96020C 95% at 2,000 R/min
96035B 95% at 5,000 R/minWall material
96020C Composite graphite-filled thermoplastic
96035B Graphite-coated acrylic (methyl-methacrylate)Window material
96020C 0.76 mm thick, graphite-coated polycarbonate
96035B Both entrance windows are made of 0.25 mm graphite coated polycarbonateWindow density
96020C 91 mg/cm2
96035B 32 mg/cm2Active window area
96020C 100 cm2, centered within the chamber body
96035B Each side of the chamber has a circular active window region centered 7.1 mm further from the BNC connector than the center of the chamber body. Active window regions have an area of 12.32 cm2Collector plate
96020C 0.8 mm thick graphite-coated acrylic plate, 10.80 cm in diameter. A 2.16 cm x 2.85 cm guard region is electrically isolated from the collector area
96035B 0.25 mm thick, centrally mounted, graphite-coated, polycarbonate plate, 3.18 cm, ± 0.01 cm in diameter. A 1.27 x 0.89 cm guard region is electrically isolated from the collector areaConnector Side-mounted, triaxial, two-lug BNC connector
Calibration96020C standard calibration The standard calibration is performed at H60 (NIST defined as 60 kVp, first HVL of 6.0 mm Al, homogeneity
coefficient of 94)
96035B standard calibration The standard calibration is performed
at one diagnostic and one mammographic beam quality. Calibration
factors are normalized to 22°C and 760 mmHg
Diagnostic unattenuated beam Calibration on the diagnostic side of
the chamber is performed at M80 (NIST defined as 80 kVp, first HVL of 2.97 mm Al, homogeneity coefficient of 57)
Mammographic beam Calibration on the mammographic side is performed at Mo/Mo28 (NIST defined as 28 kVp, first HVL of 0.332 mm Al, homogeneity coefficient of 74.3) or MV30 (PTB defined as 30 kVp, first HVL of 0.337 mm Al)
Supertech ®
President: David B. McNitt
V.P. of Marketing: Judy McNitt-Mell
Asst. to the President: Joy E. NystrandAddress:
P.O. Box 186
Elkhart, IN 46515 USA
Sales: 800-654-1054
Phone: 574-264-4310
Fax: 574-264-9551
Email: sales@supertechx-ray.com
Support: support@supertechx-ray.com
