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TOPTES Guard-156
TopTes Guard-156 4 Gas Monitor Multi Gas Detector for H2S, CO, LEL, and O2, Triple Alarm Modes (Visual, Vibration, Sound), 0.5s Fast Response, Dust and Explosion Proof Design for Work and Home Safety
In Stock
- Price
- $119.99
- Brand
- TOPTES
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
Ranking within Category
Comparing this product to others on Nomad Gear Finder (in the carbon monoxide detectors category with a value specified):
- This product's Battery runtime is lower than 76% of 13 others: 15 hours
- This product's Weight is higher than 96% of 31 others: 1.32 lbs (0.60 kg)
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
Detection capabilities
- Gases detected
- CO, H2S, O2 and LEL (combustible gas)
Alarms
- TWA / STEL alarms
- No
Charging
- Charging time
- 4.0 hours
- Battery runtime
- 15 hours
Physical Attributes
- Weight
- 1.32 lbs
- Weight
- 0.60 kg
More specifications
- Warranty
- 3 Years
Features
Details from the TOPTES Guard-156 Amazon listing:
- Precise Sensors for Fast Gas Leak Detection: The Guard-156 4 Gas Monitor is engineered to swiftly detect 4 key gases (H2S, CO, LEL, and O2). It responds within 0.5 seconds and continuously alarms until gas levels are restored to safe levels. Additionally, Guard-156 includes an alarm history storage feature for easy tracking and safety management
- Quick Charging & Portable Design: Guard-156 4 Gas Monitor provides a 4 hour fast charge for 18 hours of battery life and includes a real-time battery indicator. A low-battery alert activates when power falls below 10%, keeping you protected at all times
- Triple Alarms & Explosion-Proof Safety: Guard-156 Gas Monitor utilizes three alarm modes: LED light, vibration, and sound. Its compact size and back clip make it easy to carry, and it is made of high-strength ABS engineering plastic, making it waterproof, dustproof, and explosion-proof
- Professional Certification: Guard-156 4 Gas Monitor has undergone stringent safety testing by an international certification body. It holds valid certifications, meeting industry standards to ensure high reliability and accuracy across various environments
- What You Get: Your purchase includes the Guard-156 gas detector, packaging box, user manual, charging cable, and a standard gas hood. Suitable for industrial manufacturing, mining, agriculture, emergency rescue, and home use
Similar products from other brands
Chosen for their similar specs and price:
 This productTOPTES Guard-156 |
 FORENSICS DETECTORS FD FD-4S |
 Forsensal FS11301 |
 First Alert CO410 |
|
|---|---|---|---|---|
| Price | $119.99 | $265.45 | $139.99 | $39.95 |
| Model | Guard-156 | FD-4S | FS11301 | CO410 |
| Min. CO detection (ppm) | – | 0 | 0 | – |
| Max. CO detection (ppm) | – | 999 | 1,000 | – |
| Resolution (ppm) | – | 1 | 1 | – |
| Gases detected | CO, H2S, O2 and LEL (combustible gas) | CO, H2S, O2 and LEL (combustible gas) | CO, H2S, O2 and LEL (combustible gas) | – |
| Response time (T90) (s) | – | – | 30 | – |
| Accuracy | – | ±5% F.S. | – | – |
| Sensor type | – | Electrochemical | Electrochemical | Electrochemical |
| Built-in pump | – | No | Yes | – |
| Low alarm level (ppm) | – | 50 | 50 | – |
| High alarm level (ppm) | – | 150 | 150 | – |
| Alarm loudness (dB) | – | – | – | 85 |
| Adjustable alarm levels | – | Yes | Yes | – |
| TWA / STEL alarms | No | – | – | – |
| Charging time (hours) | 4.0 | 4.0 | – | – |
| Battery runtime (hours) | 15 | 20 | 8 | – |
| Battery capacity (mAh) | – | 2,000 | 3,000 | – |
| Charging port | – | Micro-USB | USB-C | – |
| Battery chemistry | – | Lithium-ion | Lithium-ion | – |
| Weight (lbs) | 1.32 | 0.88 | 0.70 | 0.70 |
| Weight (kg) | 0.60 | 0.40 | 0.32 | 0.32 |
| Length (in.) | – | 5.12 | 2.36 | 5.00 |
| Length (mm) | – | 130 | 60 | 127 |
| Width (in.) | – | 2.64 | 2.60 | 3.40 |
| Width (mm) | – | 67 | 66 | 86 |
| Depth/Height (in.) | – | 1.18 | 5.75 | 1.50 |
| Depth/Height (mm) | – | 30 | 146 | 38 |
| Operating temp max (℉) | – | 122 | 131 | – |
| Operating temp max (℃) | – | 50 | 55 | – |
| NIST traceable calibration | – | Yes | – | – |
| ATEX / IECEx certified | – | Yes | – | – |
| Certifications summary | – | ATEX Ex ib IIC T4 Gb | – | – |
| Warranty | 3 Years | 1 Year | 1 Year | 7 Years |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 11, 2026.