Single Gas Detector
| Brand | Safewill |
| Model | ES20B-N2-ZK |
| Weight | 0.46Kg |
| Certificates | CE, ATEX, SIL, RoHS, ISO14001, ISO9001, ISO45001 |
| Detected Gas | Nitrogen |
Safewill portable pinhole-type nitrogen detector, the reliable guarder of food fresh to detect the residue of oxygen and carbon dioxide
Food safety is seriously cared by everyone in the daily life, if food keeping fresh hence is crucial in food package industry. Nitrogen with the feature of not easy reacting with other substances is an ideal gas to help food fresh. Safewill designed and developed a model ES20B-N2-ZK with special pinhole function to detect nitrogen from food package by pump, ensuring that nitrogen concentrations and the rest oxygen & other gases residue are maintained to meet industry standards.
Safewill provide professional and customer-centric services:
OEM Support: Flexible OEM policy to help partners develop branding
Short Lead Time: Rapid production and delivery within 3 days to meet urgent demands;
Sufficient stock: Ready-to-ship products to minimize delays.
Test and Calibration: Strict test and calibration report issued before delivery from factory;
Warranty & After-Sales Service: Comprehensive warranty and dedicated technical support.
This model is proper to use in food industry, including but not limited to packaging of preserved foods such as spicy snacks, sunflower seeds, potato chips, beef jerky, milk powder, bread, etc., where nitrogen is used for freshness. Contact us right now to get the best quotation!
| Basic Information | ||||
| Product Name | Portable Pinhole Nitrogen Detector for Food Package | |||
| Detection Method | Suction | |||
| Data Transmission | USB output | |||
| Preheat Time | 90 Seconds | |||
| Temperature/ Humidity/Pressure | -20°C to +50°C/10%-95% RH (non-condensing)/86-106 KPa | |||
| Power Supply | Lithium battery, nominal voltage: 3.7VDC, capacity 2600mAh | |||
| Charging Time | ≤6 hours | |||
| Operating Time | ≥12 hours (at room temperature with electrochemical sensor) | |||
| Alarm Method | Audible and visual alarms, dual-color LED indicator, sound level ≥75 dB @ 25 cm | |||
| Protection Class | IP54 | |||
| Material | Aluminum alloy | |||
| Weight | Approximately 0.46 kg | |||
| Dimensions | 220.0 mm × 64.8 mm × 35.5 mm (L × W × H) | |||
| Technical Parameters | ||||
| Detection Gas | Nitrogen (N2) | |||
| Detection Method | Pump-suction | |||
| Range | 0~100% VOL | |||
| Resolution | 0.01% VOL | |||
| Detection Principle | Electrochemical | |||
| Indication Error | ±3% F.S | |||
| Response Time | T90 < 30 seconds (varies by gas sensor) | |||
Color Customization To Create a Unique Appearance
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Shenzhen, China – December 2025— As the festive season approaches, Shenzhen Safewill Co., Ltd. is delighted to announce its annual Christmas Promotion, offering customers exclusive discounts across a wide range of gas detection and environmental monitoring products. The campaign aims to support global partners, distributors, and end users with high-quality safety solutions at year-end special prices. During the promotion period, customers can enjoy up to 10% OFF
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During the visit, our engineers worked closely with the customer’s technical team to resolve on-site technical issues, including connecting our equipment to the customer’s own system. The successful integration and smooth operation left a strong impression. As a result, the customer immediately confirmed and signed an order.
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The Portable Pinhole‑Type Nitrogen Detector (Model ES20B), designed to revolutionize food packaging safety and quality control. This compact, pump‑suction gas detector is engineered to precisely monitor nitrogen (N₂) levels and detect residual oxygen (O₂) and carbon dioxide (CO₂) inside sealed packages—ensuring optimal freshness and shelf life.
