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Solution
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Handheld Gas and Nuclear Radiation Integrated Device
Current model: SSK/NW-PWT-1
Retail price
Market price
The SSK/NW-PWT portable multi‑gas detector and alarm can rapidly identify multiple gases and detect radiation levels exceeding regulatory limits. Equipped with a 5.7‑inch high‑resolution color display and featuring renowned sensors, it measures alpha, gamma, and beta radiation as well as flammable and hazardous gases. Leveraging diverse detection principles, it can analyze over 700 gas types. Its pump‑assisted design ensures fast response and enables sampling distances of more than 10 meters, making it ideal for pipelines, confined spaces, and other challenging environments. With an IP66 rating, it includes moisture and dust filtration, supports storage of up to 100,000 data records with cloud‑based retrieval, and offers multi‑mode, adjustable alarm settings.
Remaining inventory
隐藏域元素占位
I. Product Overview
The GCS700 portable multi-gas detector and alarm is designed for rapid detection of multiple gases and for alerting when nuclear radiation levels exceed permissible limits, and it features the following characteristics:
High-Resolution Display: Features a 5.7-inch HD color screen that displays gas concentrations in real time and triggers alarms when nuclear radiation levels exceed safe thresholds.
High‑quality sensors: Equipped with renowned brand sensors, it can detect excessive levels of alpha, gamma, and beta radiation, as well as flammable and hazardous gases.
Multi‑sensor detection principles: including electrochemical, infrared, catalytic combustion, thermal conductivity, and PID (photoionization) technologies, capable of detecting over 700 types of gases.
Advanced Design: Featuring a mature core algorithm and cutting-edge circuit design, it is suitable for detecting gas concentrations in pipelines, confined spaces, and negative-pressure environments.
Fast response: Featuring a built-in pump‑suction design, it delivers rapid response and can sample at distances exceeding 10 meters, capable of detecting both negative‑pressure and positive‑pressure gases.
High protection rating: IP66-rated, with a built-in moisture and dust filter.
Big Data Storage: Supports storing over 100,000 data records and cloud-based upload and query capabilities.
Multiple alarm modes: audible and visual, vibration, visual, and undervoltage alarms; alarm thresholds are user‑configurable, and alarm types are selectable.
II. Product Features
Highly sensitive, capable of responding to transient radiation as short as 40 ns.
Fast response, capable of providing accurate dose rates for short‑duration pulse radiation fields as brief as 10 ms.
Professional-grade, featuring multiple measurement modes to meet the requirements of different levels.
Easy to carry, with an all-in-one design, ultra-lightweight construction, and shielding features.
Accurate results, meeting and exceeding national standards—calibration with complete peace of mind.
III. Application Scenarios
It can perform real-time detection and analysis of oxygen levels, various volatile toxic and hazardous substances, and radioactive elements within a specified range in diverse environments. It is applicable to on-site analysis and detection in scenarios such as site security inspections, hazardous‑environment monitoring, gas‑leak emergencies, and the monitoring and assessment of nuclear‑contaminated environments.
Factory/warehouse environments: detect potentially present toxic or flammable gases in factory workshops, chemical plants, warehouses, and other settings; monitor the concentrations of harmful gases during processes such as welding and painting; and inspect the sealing integrity of equipment like storage tanks and pipelines to prevent hazardous gas leaks.
Underground spaces and pipelines; enclosed areas such as basements, tunnels, and underground utility networks; monitoring the concentrations of combustible and toxic gases; and detecting internal gas conditions within pipelines to promptly identify potential leakage risks.
Environmental monitoring: measuring the concentrations of harmful gases in urban and rural environments, detecting chemical leaks at accident and natural disaster sites, and monitoring changes in ambient nuclear radiation levels.
Emergency rescue: Used at accident sites involving fires, leaks, and other incidents to detect hazardous gases, assist firefighters and emergency responders in conducting on-site monitoring and assessments, and provide data on gas concentrations and radiation levels to support field operations.
Overall, this detector boasts a wide range of applications, making it suitable for use in factories, underground spaces, environmental monitoring, emergency rescue, and other fields, thereby providing robust support for workplace safety and environmental protection.
Technical Specifications
Technical parameters
Core Specifications
Handheld Gas and Nuclear Radiation Integrated Device | |
Processor speed | 8 Nuclear 2.0GHz |
Screen size | 5.7 Inch screen |
Screen resolution | 1280*960 |
Touch screen | Multi-touch, Corning third-generation glass tempered screen |
Camera | Front-mounted 5.0MP |
Microphone head | Built-in 8Ω/0.8W Waterproof speaker |
Speaker | Built-in Sensitivity: -42 dB, Output impedance 2.2k Omega |
Gas detection unit | |
Detect gas | Combustible gases, toxic gases, oxygen, and other mixed gases, Detect and identify ≥ types of volatile toxic and hazardous substances. 700 species Buzzer alarm upon exceeding the threshold. |
Gas inhalation method | Pump-suction type |
Testing time | 5-15 seconds |
Methods for detecting toxic gases | PID Photoionization sensor |
Combustible gas detection methods | Catalytic combustion sensor |
Oxygen sensor Detection method | Electrochemical formula |
Toxic and harmful VOC Concentration detection range | 0 ~ 2000ppm ( 10-6 ); |
Flammable gas detection range | 0-100% LEL (Lower Explosive Limit) |
Oxygen concentration detection range | 0 ~ 30%Vol； |
Accuracy of volatile and toxic gas detection | Generally in ±2% to ±6% |
Combustible VOC Gas detection accuracy | Photoionization detection ( PID ) Catalytic combustion ±2% to ±5% |
Oxygen detection accuracy | 0.01%Vol |
Nuclear Radiation Detection Unit | |
Tellurium-zinc-chromium sensor | Detects and displays in real time the α, β, γ, and χ radiation levels in the surrounding environment; triggers an audible alarm when thresholds are exceeded. |
High-precision, high-sensitivity detector | Cadmium Zinc Telluride Semiconductor Detector |
Nuclear radiation dose | ≤ 0.1 mu Sv/h ; Cumulative nuclear dose duration: 9999 hour |
Energy range | 50 keV~1.5 MeV |
Sensitivity | 25cps/ mu Sv/h(@662KeV) |
Response time | ≤ 2 seconds |
Interface sensor | |
Gravity sensing | Built-in |
Gyroscope | Built-in |
Compass | Built-in |
Proximity sensing | Built-in |
Light sensitivity | Built-in |
Wi-Fi | WIFI 802.11(a/b/g/n) Frequency 2.4G+5.8G Dual-band Wi-Fi |
Bluetooth BT | 4.0(BLE)class1.5 Transmission distance :10m |
4G/5G | GSM 、 WCDMA 、TD-SCDMA、CDMA2000、LTE-FDD、LTE-TDD , All-Network Compatible |
GPS/BDS | GPS 、 BD Can be selected arbitrarily |
Machine interface | SIM Interface, TF Card slot, standard USB 3.0 , standard headphone jack, Type C Charging data |
External power supply | DC 5V Maximum current 1.5A |
Physical parameters | |
Waterproof seal | IP67 (Airtight) |
Operating ambient temperature | -40 ℃ to + 60 °C |
Storage temperature | -45 °C～ + 70 °C |
Operating humidity | Humidity less than 90%( No condensation ) |
Power supply | Built-in lithium battery 3.7V/5000mAh |
Battery life | Approximately 8 Hours (standby time > 300h ) |
Appearance dimensions | 180*130*110mm |
Weight | Approximately 1400g |
Power supply | Built-in lithium battery 3.7V/5000mAh |
Equipped with accessories | |
Data / Charging cable | Type-c Turn USB |
Gas collection tube | One stick |
Battery | Three periods 26500 Battery @3200mA (Resistant to low temperatures down to minus 40 degree) |
Charger | Standard 4 Charging adapter (with charging plug) |
Data Transmission Foundation | Supports charging and data transfer |
Instruction manual | A copy |
Packaging | ABS Dedicated protective case (dimensions 410mm*340mm*150mm ) |
Frequently Asked Questions
FAQ
Common FAQs covering application scenarios, feature configurations, and procurement parameters.
What is the difference between a PWT and a conventional gas detector?
Conventional gas detectors typically measure only a few gases, whereas the SSK/NW-PWT not only supports multi-gas detection but also integrates a nuclear radiation detection module, addressing both gaseous and radiological hazards.
Does PWT support data storage and remote uploading?
Support. The device can store over 100,000 data records and supports cloud-based upload and query functions. Detection logs can be used for safety inspection documentation, accident analysis, risk assessment, regulatory reporting, and project record archiving. Combined with 4G/5G connectivity and GPS positioning, it enables the creation of comprehensive detection records that capture time, location, and data.
What is the practical value of pump‑assisted sampling?
The greatest advantage of pump‑assisted sampling is that it enhances the safety of hazardous‑area monitoring. Personnel can assess the gas conditions inside a confined space by using a sampling probe, without having to enter the area directly.
What is PWT’s capability in nuclear radiation detection?
The PWT is equipped with a cadmium zinc telluride (CZT) semiconductor detector, capable of detecting alpha, beta, gamma, and X-rays over an energy range of 50 keV to 1.5 MeV. It offers a sensitivity of 25 cps/μSv/h, a response time of ≤2 seconds, and can respond to transient radiation pulses as short as 40 ns.
Is the PWT suitable for confined-space work detection?
Suitable. Common risks associated with confined-space work include oxygen deficiency, poisoning, and the accumulation of flammable gases. The PWT can detect oxygen concentration, flammable gases, toxic and harmful gases, and VOCs, and supports pump‑assisted sampling, making it ideal for pre‑entry inspections and repeat measurements during operations.
Can the PWT’s battery life meet the demands of all-day inspections?
The device features a built-in 3.7V/5000mAh lithium battery, offering a typical runtime of approximately 8 hours and a standby time exceeding 300 hours. It is also equipped with three 26500 low-temperature batteries, capable of operating at temperatures as low as −40°C. For applications requiring extremely long continuous monitoring, we recommend preparing a spare battery pack or an external power solution and carefully assessing the device’s power consumption under actual operating conditions.
Standard Package Contents
Content update in progress,...
Upon unpacking and use, the standard package includes the above accessories.
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Contact
EMAIL:Guojin@settall.com
8th Floor, Building 14, Zone 7, Headquarters Base, West Outer Ring Road, Fengtai District, Beijing
