白俄羅斯ATOMTEX AT5350 劑量儀
儀器簡介：
多功能高精度大范圍的X射線和伽馬射線輻射劑量計(jì)測量克馬和空氣克馬率在空氣克馬校正，吸收空氣中的濃度，水中吸收劑量，照射劑量和劑量當(dāng)量單位
儀器特點(diǎn)：
在空氣克馬校正，吸收空氣中的濃度，水中吸收劑量，照射劑量和劑量當(dāng)量單位
電離室在非易失性內(nèi)存庫
擴(kuò)展的可能性增加電離室與圖書館
內(nèi)置高電壓電離室電源，輸出電壓為±（1-500）五，增量為1 V
自動測量結(jié)果的校正審議通過輸入空氣的溫度和壓力值非密封電離室密度
輸入的能量反應(yīng)所產(chǎn)生的校正，兩極分化和重組等特定因素的影響
自動補(bǔ)償電流輸入位移
選擇的測量單位（戈，希沃特，俄，阿，C）的物理測量值的
數(shù)學(xué)和測量結(jié)果的邏輯處理的8個方案
保持*多500個測量結(jié)果的可能性，審查，處理和打印出來
矩陣背光液晶顯示器，以讀出測量結(jié)果和其他信息
RS232串口和IEEE - 488接口和額外的數(shù)字輸入/輸出
模擬輸出
技術(shù)參數(shù)：
電位
測量范圍的連續(xù)電流（收費(fèi)）的正面和負(fù)面的極性
1×10-14 - 1×10-6 A
(1×10-14 - 6×10-2 C)
內(nèi)在的相對誤差的容忍限度 當(dāng)前（收費(fèi)）測量 £ ±（0.5％+ 1less significantdigit）
增量較少的有效數(shù)字 在當(dāng)前（收費(fèi)）測量 1×10-15 А (1×10-14 C)
零水平不穩(wěn)定 在范圍內(nèi)至少連續(xù)工作24 h £ ± 5×10-15 A
雜散電流泄漏 無連接的電離室 £ ± 1×10-15 A
測量范圍內(nèi)零收費(fèi)水平漂移 無連接的電離室 £ ± 6×10-14 C/1 min
常駐不穩(wěn)定 £ ± 0.5 %/year
當(dāng)前一體化的數(shù)值區(qū)間 在負(fù)責(zé)測量 1 - 9999 s
劑量學(xué)
克馬在空氣中（在空氣克馬率）測量范圍
ТМ 30001, ТМ30010, ТМ30013, TM30006 (thimble chmber, V=0.6 cm 3) 100 µGy - 300 kGy
(0.6 mGy/min - 300 Gy/min)
ТМ 23361 (cylindrical chamber, V=30 cm 3) 2 µGy - 2 kGy
(12 µGy/min - 2 Gy/min)
ТМ 32002 (spherical chamber, V=1000 cm 3) 50 nGy - 3 Gy
(0.4 µGy/min - 3 mGy/min)
ТМ 23342 (plane parallel low-energy x-ray chamber, V=0.02 cm 3) 3 mGy - 10 MGy
(18 mGy/min - 10 kGy/min)
ТМ 31010 (waterproof thimble chamber, V=0.125 cm 3) 500 µGy - 1.5 MGy
(3.0 mGy/min - 500 Gy/min)
相對內(nèi)在克馬（克馬率）測量誤差 在P = 0.95 ± 3％
輻射測量光子能量范圍
ТМ32002，ТМ23361，ТМ30001，ТМ31010 0.03 - 1.33 MeV
ТМ23342 0.008 - 0.035 MeV
在光子輻射劑量計(jì)的能量響應(yīng)靈敏度
0.03 - 1.33 MeV (ТМ 32002) £± 5％
0.1 - 1.33 MeV (ТМ 30001, ТМ 23361) £± 4％
0.03 - 0.1 MeV (ТМ 30001, ТМ 23361) £± 6％
0.008 - 0.035 MeV (ТМ 23342) £± 5％
方面的業(yè)務(wù)
工作溫度范圍 5 - 40 °С
空氣的相對濕度 up to 90 % at 25°С
電源要求 (220 ± 22) V, 50 Hz
需要的功率 £ 12 VA
靜電尺寸 260х98.5х250 mm
靜電重量 3.5 kg
靜電電纜長度 up to 20 m
儀器配置
靜電電離室的任何一套：ТМ32002，ТМ23361，ТМ30001，ТМ30010，ТМ30013，31010和其他初級污水處理廠ТМ商會，弗賴堡，德國，PTW公司電測電纜6米，10米和20米和包裝箱。這是可能的順序靜電只。
為電離室固定的支持是一種選擇，它是提供了關(guān)于 額外的命令。
| DOSIMETER AT5350 |
Multipurpose high-accuracy wide-range x-ray and gamma radiation dosimeter to measure kerma and kerma rate in air
Features
| - Calibration in kerma in air, absorbed dose in air, absorbed dose in water, exposure dose and dose equivalent units | | | - Ionization chamber library in the nonvolatile memory | | | - Possibility to extend the library with additional ionization chambers | | | - Built-in high-voltage power supply for ionization chambers, output voltage of ±(1-500) V, increment of 1 V |
| | - Automatic measurement result correction considering air density for non-hermetic ionization chambers by input temperature and pressure values | | | - Input of resultant correction factor specified by energy response, polarization and recombination effects etc. | | | - Automatic compensation of input displacement current | | | - Selection of measurement units (Gy, Sv, R, A, C) specified for measuring physical values | | | - Mathematical and logical processing of measurement results by 8 programs | | | - Keeping up to 500 measurement results, possibility to review, process and print them | | | - Matrix backlit LCD to readout measurement results and additional information | | | - RS232 and IEEE-488 interface and additional digital inputs/outputs | | | - Analog output | |
Application
| - Beam therapy | | - Clinical dosimetry | | - Radiation protection | | - Physical research | | - Ionizing radiation metrology | | - Short current and charge measuring |
| | IEEE 488.2 | RS232C | Analog output | | AT5350 | + | + | + | | AT5350/1 | - | + | - |
Specification
| ELECTROMETRIC | | | Measuring range of continuous current (charge) of positive and negative polarity | 1×10-14 - 1×10-6 A
(1×10-14 - 6×10-2 C) | | The limits of tolerated relative intrinsic error of current (charge) measurement | £ ± (0.5 % + 1 less significant digit) | | Increment of less significant digit within current (charge) measurement | 1×10-15 А (1×10-14 C) | | Zero level instability at the least range within continuous operation for 24 h | £ ± 5×10-15 A | | Spurious leakage current with no connected ionization chamber | £ ± 1×10-15 A | | Zero level drift within charge measuring with no connected ionization chamber | £ ± 6×10-14 C/1 min | | Permanent instability | £ ± 0.5 %/year | | The interval of numerical current integration at charge measuring | 1 - 9999 s | | DOSIMETRIC | | | Kerma in air (kerma rate in air) measuring range | | | ТМ 30001, ТМ30010, ТМ30013, TM30006 (thimble chmber, V=0.6 cm 3) | 100 µGy - 300 kGy
(0.6 mGy/min - 300 Gy/min) | | ТМ 23361 (cylindrical chamber, V=30 cm 3) | 2 µGy - 2 kGy
(12 µGy/min - 2 Gy/min) | | ТМ 32002 (spherical chamber, V=1000 cm 3) | 50 nGy - 3 Gy
(0.4 µGy/min - 3 mGy/min) | | ТМ 23342 (plane parallel low-energy x-ray chamber, V=0.02 cm 3) | 3 mGy - 10 MGy
(18 mGy/min - 10 kGy/min) | | ТМ 31010 (waterproof thimble chamber, V=0.125 cm 3) | 500 µGy - 1.5 MGy
(3.0 mGy/min - 500 Gy/min) | | Relative intrinsic kerma (kerma rate) measurement error at P=0.95 | ±3 % | | Measuring photon radiation energy range | | ТМ 32002, ТМ 23361, ТМ 30001, ТМ 31010 | 0.03 - 1.33 MeV | | ТМ 23342 | 0.008 - 0.035 MeV | | Dosimeter sensitivity response upon photon radiation energy | | 0.03 - 1.33 MeV (ТМ 32002) | £± 5 % | | 0.1 - 1.33 MeV (ТМ 30001, ТМ 23361) | £± 4 % | | 0.03 - 0.1 MeV (ТМ 30001, ТМ 23361) | £± 6 % | | 0.008 - 0.035 MeV (ТМ 23342) | £± 5 % | | OPERATIONAL | | | Operating temperature range | 5 - 40°С | | Relative air humidity | up to 90 % at 25°С | | Power requirements | (220 ± 22) V, 50 Hz | | Required power | £ 12 VA | | Electrometer dimensions | 260х98.5х250 mm | | Electrometer weight | 3.5 kg | | Electrometer cable length | up to 20 m |
Complete set: electrometer with any set of ionization chambers: ТМ 32002, ТМ 23361, ТМ 30001, ТМ 30010, ТМ 30013, ТМ 31010 and other PTW chambers, Freiburg, Germany, PTW electrometric cables 6 m, 10 m and 20 m and packing case. It is possible to order the electrometer only. Support for ionization chamber fixation is an option and it is supplied on additional order. The dosimeter AT5350 has pattern approval certificates of Republic of Belarus, Russian Federation, Ukraine, Kazakhstan and Lithuania. It complies with IEC 60731 International standard requirements. It also conforms with the 89/336/EEC Directive complying with EN 61326-1+A1, EN 55011, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-11 standard requirements and 73/23/EEC Directive complying with EN 61010-1+A2. |
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