白俄羅斯ATOMTEX AT1125A便攜式輻射檢測(cè)劑量率儀主要功能是在接近本底水平情況下搜索、 探測(cè)和定位γ 輻射源和測(cè)量環(huán)境γ 輻射劑量當(dāng)量率。可連接外部智能探頭BDPS-02，用于檢測(cè)污染物表面αβ輻射流量密度。同時(shí)也可檢測(cè)環(huán)境x射線、γ輻射劑量率當(dāng)量和劑量當(dāng)量。本檢測(cè)儀還可選擇137Cs比活度檢測(cè)模式，改進(jìn)的“劑量譜儀"功能使本檢測(cè)儀能夠測(cè)量0.05 — 3MeV能量范圍的γ輻射

● 檢測(cè)體

AT1125,AT1125A .................... NaI(TI) - 25×40 mm
AT1125A ........................... 內(nèi)置G-M管
BDPS-02 ........................... G-M end-window counter

● 測(cè)量范圍

--- 環(huán)境γ輻射劑量當(dāng)量
AT1125 ............................ 10nSv-10mSv
AT1125A ........................... 10nSv-10Sv
BDPS-02............................ 0.1Sv-1Sv

--- 環(huán)境X射線、γ輻射劑量率當(dāng)量

AT1125 ............................ 30nSv/h-300Sv/h
AT1125A ............................ 30nSv/h-100mSv/h
BDPS-02............................. 0.1Sv/h-30mSv/h

●α

BDPS-02............................. 5-106part./(min·cm2)

●β

BDPS-02............................. 6-106part./(min·cm2)

● 劑量和劑量率測(cè)量誤差

AT1125 AT1125A...................... ±15%
BDPS-02............................. ±20%

● X射線、γ輻射能量范圍

AT1125 AT1125A....................... 0.05–3MeV
BDPS-02.............................. 0.02–3MeV

●  α射線能量范圍

BDPS-02.............................. 4–7MeV

● β射線能量范圍

BDPS-02.............................. 155KeV–3.5MeV

● 能量響應(yīng)差異

AT1125 AT1125A....................... ±15%
BDPS-02.............................. ±30%

●137Cs

AT1125 AT1125A....................... 350cps/μSvh-1
BDPS-02.............................. 6.6cps/μSvh-1

●137Cs

帶防護(hù)單元........................... 20-105Bq/kg
不帶防護(hù)單元......................... 50-105Bq/kg
137Cs比活度測(cè)量誤差.................. ±20%
137Cs源探測(cè)時(shí)間（10 kBq 7 cm）....... 少于2s

● 操作模式設(shè)置時(shí)間....................... 1min

●  連續(xù)操作時(shí)間

交流電或直流電........................ 24h
內(nèi)置蓄電池............................ 24h

● 操作溫度范圍........................... -20- +50℃
● 操作溫度范圍內(nèi)的補(bǔ)償誤差............... ±10%
● 相對(duì)濕度（+ 35°C）.... ............... 90%
● 防護(hù)等級(jí)............................... IP54

● 電源要求

內(nèi)置蓄電池............................ 6V
交流電（50Hz）........................ 220V
直流電................................ 12V

● 放射干擾標(biāo)準(zhǔn) CEI/IEC CISPR 22:1997

● 重量

AT1125 AT1125A ....................... 1.0kg
BDPS-02 .............................. 0.3kg
防護(hù)單元.............................. 170kg

● 尺寸

AT1125 AT1125A ....................... 85×258×67mm
BDPS-02 .............................. 138×86×60mm
防護(hù)單元............... .............. 190×363mm