Low Voltage Auto Shutdown Long Standby Working Portable Gas Detector
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Product Highlights
- Extended Flexible Probe: Features an extended flexible probe for hard-to-reach areas during detection.
- Auto-Zero Function: Sensor auto-zero program effectively avoids repeated zeroing during detection.
- Multi-Stage Alarm System: Includes high/low alarms, two-stage alarm, and sensor fault detection.
- Low Power Consumption: Designed for prolonged use with low power consumption and auto-shutdown.
- Comprehensive Display: Large LCD screen displays gas concentration, status, and system data.
- 12 Months Warranty: Provides a 12-month warranty covering mechanical defects and parts.
- 24/7 Online Support: Engineers available via email, phone, or online platform for assistance.
Product Attributes
- Customization
- Available
- After-sales Service
- 7/24 Online Service
- Warranty
- 1 Year
- Model NO.
- 268
- Style
- Portable
- Alarm Form
- Audible Alarm
- Certification
- CE, ISO, RoHS
- Application
- Museum, Prison, Pier, Station, Hotel
- Sampling Method
- Natural Diffusion
- Detection Range
- 0-10, 000 U Mol/Mol
- Operating Voltage
- DC3.7V(Lithium Battery Capacity:2000mAh)
- Dimensions
- 200X70X25(mm)
- Transport Package
- Carton
- Specification
- 200x70x25(mm)
- Trademark
- Zehong
- Origin
- China
- Package Size
- 30.00cm * 13.00cm * 4.00cm
- Package Gross Weight
- 0.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description

→Auto-zero operation; sensor auto-zero program effectively avoids repeated zeroing during detection
→Large LCD screen displays gas concentration
→Low power consumption, suitable for prolonged use











Applicable Gases | Natural gas, hydrogen, coal gas, propane, acetone, ethanol, oxides, thinners,industrial solvents, gaseous fuels, etc. |
Sampling Method | Natural diffusion |
Detection Principle | Semiconductor |
Detection Range | 0 - 10,000 u mol/mol |
Response time | ≤30s |
Display Error | +10% +50 mol/mol |
Indication Method | LCD displays real-time data and system status; LED, audible, and vibrating indicatorssignal alarms, faults, and low voltage |
Operating environment | Temperature: -20°C to 50°C Humidity: <95% RH (non-condensing) |
Operating Voltage | DC 3.7V (Lithium battery capacity: 2000mAh) |
Charging time | 6 to 8 hours |
Dimensions | 200 x 70x 25 (mm) |














Re:MOQ:50-500PCS, leading time:7-15 days, also accept customization.
Re:Yes, samples can be available,clients need to afford the freight charge.
Re:Yes. we can. OEM ODM service are welcome.
Re:We focus on gas monitoring and IoT big data, and is a high-tech enterprise integrating R&D, production, and sales. Its business covers the entire industry chain of gas detection, analysis and control systems, as well as IoT big data platforms.
Re:T/T, West Union, Paypal,etc.

About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2561012". Items marked "" are certified.
Company Profile
Hebei Zehong Technology Co., Ltd. is located at No. 1, Qinggong Road, Xibaipo Economic Development Zone, Pingshan County, Shijiazhuang City, Hebei Province. It is a high-tech enterprise specializing in the research, development, production, and sales of gas detection and analysis instruments. Leveraging its technological advantages, the company is committed to the development and production of safety and environmental monitoring products, and has established long-term technical cooperation relationships with numerous domestic and international research institutions.
Founded in 2007, the company successfully listed on the National Equities Exchange and Quotations (NEEQ) in 2016 (Company name: Hebei Zehong Technology Co., Ltd.; Stock code: 870443). The company has a registered capital of 33.42 million RMB and an annual output value of 500 million RMB.
The company has obtained ISO9001, ISO14001, and GB/T28001 management system certifications, and possesses a production line capable of producing millions of gas detection instruments annually. It has also obtained national mandatory (CCC) certification, explosion-proof certification, and metrology licenses, and has passed SIL certification, obtained dual-certification certificates, is a member of the American HART Foundation, and holds a high-tech enterprise certificate. Advanced technology, scientific management, and strict production control provide a strong guarantee for high-quality products.
The company's products cover detection and alarm monitoring systems for flammable and toxic gases, various gas analysis instruments, major hazard source monitoring systems, solenoid valves, and self-closing valves. These products are widely used in petroleum, metallurgy, chemical industry, mining, pharmaceuticals, natural gas, municipal engineering, sewage treatment, healthcare, environmental monitoring, and other fields.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Shijiazhuang, Hebei, China
-
Plant Area
- 6989 square meters
-
Number of Employees
- 128
-
Registered Capital
- 33,420,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
-
Main Products
- Gas Detector, Gas Leak Detector, Gas Alarm Detector, Gas Alarm, Multi Gas Detector, Portable Gas Detector, Fixed Gas Detector, Industrial Gas Detector, Gas Monitor, Toxic Gas Detector, Gas Leak Alarm
-
Production Lines
- 2
-
Production Machines
- SMT machine
-
QA/QC inspectors
- 8 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 40 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-12-17
-
Export Year
- 5 years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CCC, CE, Others
-
Cooperated with Fortune 500
- Yes
FAQ
- Are you a factory or a trading company?
- Factory, more than 15 years experience in gas detector manufacturing.
- What is your MOQ and the leading time?
- MOQ: 50-500PCS, leading time: 7-15 days, also accept customization.
- Can we buy some samples for testing?
- Yes, samples can be available, clients need to afford the freight charge.
- Can we put our logo or designs on your package?
- Yes. we can. OEM ODM service are welcome.
- Why should we choose you?
- We focus on gas monitoring and IoT big data, and is a high-tech enterprise integrating R&D, production, and sales. Its business covers the entire industry chain of gas detection, analysis and control systems, as well as IoT big data platforms.
- What is your payment terms in your company?
- T/T, West Union, Paypal,etc.
- What about after-sale service?
- 12 months warranty .
- DO YOU HAVE CERTIFICATE OF CALIBRATION?
- Certainly, each product get calibration before out of our factory.
Send your message to this supplier
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