SW88E regional environmental radiation monitoring device-specific 
 SW88E environmental monitoring X.γ radiation air kerma (absorbed dose) rate instrument, using a highly sensitive, large volume NaI (Tl) crystal as detector, very low radiation levels can be used for the measurement of γ dose rate environment, search for radioactive sources, environmental X-γ air absorbed dose rate from external exposure measurement, disease control (CDC) and health watchdog the Medical X-ray machines and 131I radiation measurements, nuclear material, nuclear power plants, public safety and nuclear emergency response, homeland security, military, customs and entry-exit inspection and quarantine, civil aviation, railway, highway and shipping, nuclear decommissioning and decontamination. 
 - Feature of this instrument 
 - In line with national standards of energy response 
 - Counter function block alarm and protection 
 - Built-in high-capacity lithium battery, battery power real-time display 
 - NaI crystal detector with high sensitivity, fast response 
 - Measurement time optional, required 120 seconds from 1 to any set 
 - Background light function to facilitate in the night and low light environments 
 - Measured in units of the international unity of μGy / h (environmental level) 
 - In line with national standards to choose from a variety of alarm thresholds can also define their own 
 - Standard RS232 interface, can communicate with the host computer 
 - 80 test points can store 800 sets of data, data storage methods are manually save, automatic measurement preservation 
 - Large dot matrix LCD display, measurements show a clear and intuitive; touch buttons, easy operation and convenient 
 - The host body by abrasion, corrosion-resistant high-strength aluminum-magnesium alloy materials; probe made of stainless steel, waterproof effect IP65 
 - Configure tripod free movements 
 Main Specifications 
 - Detector: φ50 × 50 (mm) of the NaI (Tl) scintillator 
 - Range: 1nGy / h ~ 50 000 nGy / h 
 - Energy Threshold: 35Kev 
 - Sensitivity: 1 uGy / h ≥ 1000cps 
 - Energy Response: 48Kev ~ 3Mev ≤ ± 30% (relative to 137Cs) 
 - The relative basic error: ≤ ± 10% 
 - With a dose rate threshold alarm, fault alarm detector 
 - With a dose rate alarm and overload protection 
 - Dose rate, accumulated dose can be measured 
 - Repeatability: ≤ ± 5% 
 - Readings: uGy / h, uR / h, uSv / h 
 - Use of the environment 
 Ambient temperature: -10 ℃ ~ +45 ℃ 
 Relative Humidity: 90% (+40 ℃)