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Handheld Gas and Nuclear Radiation Integrated Device
Current model: SSK/NW-PWT
Retail price
Market price
The SSK/NW-PWT portable multi‑gas detector and alarm can rapidly identify multiple gases and detect radiation levels exceeding safety 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 sampling distances of up to 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.
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隐藏域元素占位
SSK/NW-PWT
Handheld gas Nuclear radiation
All-in-one machine
Toxic and Hazardous Gas Detector · Nuclear Radiation Detection and Alarm Device
As a professional multi‑gas detection and alarm instrument, the SSK/NW‑PWT integrates gas detection, nuclear radiation monitoring, pump‑assisted sampling, audible and visual vibration alarms, data storage, 4G/5G communication, and GPS/Beidou positioning. It provides an all‑in‑one solution for emergency gas‑detection applications, making it ideal for emergency rescue operations, hazardous‑environment monitoring, underground space inspections, factory and warehouse patrols, and the screening of nuclear‑contaminated areas.
Alarm Module
Quadruple alarm method
As an audio‑visual vibration alarm detector, the SSK/NW-PWT offers four customizable alarm modes with adjustable threshold settings, making it well suited for challenging environments characterized by high noise levels, poor lighting, and heavy smoke.
Audio-visual alarm
Buzzer + LED flash; triggers simultaneously upon exceeding the threshold, suitable for typical industrial environments, providing immediate response when gas concentrations or radiation levels surpass allowable limits.
Vibration alarm
Device vibration alerts, unaffected by ambient noise or lighting, making them ideal for noisy emergency settings or situations where protective gear is worn.
Visual alarm
The screen highlights the alarm interface, making measured values and alarm statuses clearly visible—ideal for scenarios where rapid assessment of on-site risk levels is required.
Undervoltage alarm
It proactively alerts users when battery power is low, preventing the device from losing power during critical inspection tasks and ensuring the continuity of on-site measurements and data integrity.
Application scenarios
Eight Major Professional Application Scenarios
From emergency rescue gas detection to factory safety inspections, the SSK/NW-PWT delivers an integrated on-site monitoring solution for hazardous environments.
01
On-site emergency rescue testing
Quickly assess dual risks from gases and radiation, providing real-time data to support pre-entry assessments and on-site response.
Fire incidents · Chemical spills · Preliminary screening of hazardous areas
05
Environmental Monitoring and Pollution Investigation
As an environmental monitoring gas detection device, it integrates GPS positioning and data storage to enable the recording and reporting of gas concentrations in urban environments and industrial parks.
Atmospheric Environmental Monitoring · Around Industrial Parks
02
Factory Workshop and Warehouse Inspections
Conduct routine inspections of chemical plants, warehouses, and tank farms to detect exceedances of LEL for flammable gases, toxic gases, and VOCs, and identify potential leak hazards.
Underground utility tunnels · Chemical plant inspections · Warehouse safety · Tank inspections
06
Nuclear Contamination Environmental Monitoring
As a nuclear-contamination environmental monitoring device, it provides real-time detection of risks associated with excessive alpha, beta, gamma, and X-ray radiation, making it ideal for identifying radiation anomalies and screening for radioactive material hazards. Nuclear Contamination Screening · Radiation Anomaly Zones
03
On-site emergency rescue testing
As an underground utility tunnel gas detector, pump‑draw sampling enables pre‑detection before personnel enter, thereby reducing the risks of hypoxia, poisoning, and explosion. 。
Underground utility tunnel · Sewage well · Before tank maintenance
07
Pipeline and Tank Leak Detection
Pump‑assisted sampling enables rapid detection at pipeline connections and around storage tanks, helping field personnel promptly identify potential leaks and reduce the risk of accidents.
Gas pipelines · Chemical pipelines · Valve inspection
04
Hazardous Chemical Leakage Inspection and Identification
It can detect more than 700 volatile toxic and hazardous substances, serving as a hazardous chemical leak detector to rapidly assess the extent of contamination and the associated risk level.
Hazardous Chemical Storage · Contaminated Area Survey · Hazardous Waste Disposal
08
Security Screening and Venue Inspection
Safety inspections of large-scale events, key venues, and warehousing and logistics facilities, with rapid detection of toxic and hazardous gases, flammable gases, or radiation-related risks.
Hazardous Chemical Storage · Contaminated Area Survey · Hazardous Waste Disposal
Key Feature Highlights
Integrating gas detection, nuclear radiation monitoring, diffuse sampling, location-based communication, and data storage and protection into a single system, it meets the demands of rapid on-site analysis in complex environments.
Dual monitoring
Integrated gas and nuclear radiation detection
A single device simultaneously addresses both gas and nuclear radiation hazards, making it ideal for emergency response, hazardous‑chemical inspections, confined‑space operations, and environmental monitoring.
Diffuse
Diffusive sampling and detection
Supports long-range sampling, enabling pre‑detection before personnel enter and reducing the risks of poisoning, hypoxia, explosions, and radiation exposure.
Quick response
5–15 second gas detection response
Gas detectors offer rapid response, enabling on-site personnel to quickly assess environmental risks and enhance the efficiency of emergency response.
Radiation Alert
Real-time alarm for excessive nuclear radiation levels
Supports nuclear radiation dose monitoring and over‑limit alarms, making it suitable for initial screening in contaminated areas and high‑risk investigations.
High-definition touch control
5.7-inch color touchscreen
Test data, alarm statuses, and device information are displayed clearly, making on-site operations more intuitive.
Full return transmission
4G/5G communication transmission
Detection data, location information, and alarm notifications can be uploaded remotely, facilitating centralized management in the backend.
Dual-mode positioning
GPS/Beidou positioning
Record inspection points and patrol routes to facilitate risk‑area marking and post‑incident traceability.
100,000+ items
Data Storage and Cloud-Based Querying
Supports local storage and retrieval of test data, facilitating the creation of test records, risk analysis, and on-site post‑event reviews.
IP67
Protection · Lightweight · All-Weather
The entire device features IP67-rated protection, making it suitable for challenging environments such as rain and snow, dusty conditions, underground spaces, and hazardous‑chemical sites.
Technical Specifications
Complete Technical Specifications (Tender/ Government Procurement Format)
Click on each parameter item. Expand View detailed technical specifications, which can be directly used for tender parameter descriptions.
Gas detection parameters
Parameter Item | Technical Specifications |
Model number | SSK/NW-PWT Gas + Nuclear radiation |
Product Name | Handheld Gas and Nuclear Radiation Integrated Device |
Types of gases detected | Composite gases such as flammable gases, toxic gases, and oxygen; capable of detecting and identifying the types of volatile toxic and hazardous substances. ≥700 Species, over-standard beep alarm |
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 type |
Toxic and harmful VOC Concentration range | 0 ~ 2000ppm |
Flammable gas detection range ( LEL ) | 0 ~ 100% LEL |
Oxygen concentration detection range | 0 ~ 30%Vol |
Volatilization / Accuracy of toxic gas detection | General ±2% to ±6% |
Combustible VOC Gas detection accuracy | PID Photoionization / Catalytic combustion ±2% to ±5% |
Oxygen detection accuracy | 0.01%Vol |
Nuclear radiation detection parameters
Parameter Item | Technical Specifications |
Detection ray type | alpha 、 beta 、 gamma 、 chi Four types of radiation; an audible alarm sounds when levels exceed the standard. |
Detector Type | Cadmium Zinc Telluride Semiconductor Detector ( CZT ) |
Nuclear radiation dose | ≤0.1 μSv/h |
Cumulative time of nuclear dose | 9999 hour |
Energy range | 50KeV ~ 1.5MeV |
Sensitivity | 25 cps/μSv/h (@ 662 keV) |
Response time | ≤2 Seconds, rapid response |
Instantaneous radiation response | Can be applied to 40ns Responds to transient radiation |
Short-term pulsed radiation | Can be the shortest 10ms The short‑pulse radiation field provides an accurate dose rate. |
Display & Process Parameters
Parameter Item | Technical Specifications |
Processor speed | 8 Nuclear 2.0 GHz |
Screen size | 5.7 inch |
Screen resolution | 1280×960 High-definition color screen |
Touch screen | Multi-touch, Corning third-generation glass tempered screen |
Camera | Front-mounted 5.0MP |
Horn | Built-in 8Ω/0.8W Waterproof speaker |
Microphone head | Built-in, sensitivity -42db , output impedance 2.2 kΩ |
Data storage | 10 Over ten thousand entries, with support for cloud-based upload and query. |
Sensor | Gravity sensor, gyroscope, compass, proximity sensor, ambient light sensor |
Alert Method | Audio‑visual alarm, vibration alarm, visual alarm, undervoltage alarm |
Alarm value | Can be set |
Alarm Method Selection | Optional |
Communication & Positioning Parameters
Parameter Item | Technical Specifications |
WiFi | WiFi 802.11(a/b/g/n) ， 2.4G + 5.8G Dual-band |
Bluetooth | BT 4.0 BLE class1.5 , transmission distance 10m |
4G/5G | GSM 、 WCDMA 、TD-SCDMA、CDMA2000、LTE-FDD、LTE-TDD , All-network compatible All-network compatible |
GPS/ Beidou positioning | GPS , Beidou can be selected at will |
Interface Configuration | 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 & Included Accessories
Parameter Item | Technical Specifications |
Waterproof seal | IP67 , airtight, all-weather |
Operating ambient temperature | -40℃ ~ +60℃ |
Storage temperature | -45℃ ~ +70℃ |
Operating humidity | < 90% , no condensation |
Built-in battery | 3.7V / 5000mAh |
Battery life | Approximately 8 Hours; Standby >300 hour |
Appearance dimensions | 187×136×89mm |
Weight | Approximately 618g (Built-in battery) |
Data / Charging cable | Type-C Turn USB |
Gas collection tube | One stick |
Battery | Three periods 26500 Battery @3200mA , low-temperature resistant -40℃ |
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, 410mm×340mm×150mm |
Frequently Asked Questions
Common Issues in Procurement and Product Selection
Covering device functionality, detection principles, scenario compatibility, and government procurement tender specifications, with a total of eight comprehensive answers.
What is the SSK/NW-PWT device?
What is the difference between a PWT and a conventional gas detector?
What is the practical value of pump‑assisted sampling?
Does PWT support nuclear radiation detection?
Is the PWT suitable for confined-space operations?
Does the PWT support data storage and 4G/5G transmission?
Is PWT suitable for tendering and government procurement projects?
What key parameters should be prioritized during procurement?
Standard Package Contents
Content update in progress,...
Upon unpacking and use, the standard package includes the above accessories.
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