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- 4 Gas Monitor | Mini & Small | USA NIST Calib...
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Item #:
221966777
4 Gas Monitor | Mini & Small | USA NIST Calibration | O2, CO, H2S, LEL | USB Recharge |
Item #:
221966777
USD 365
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 3 items left in stock.
Order now and get it around Sunday, August 23
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High-quality nano sensors and robust design make this 4-gas meter an essential tool for safety and precision.
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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Design
This mini gas monitor is small and portable, making it ideal for personal safety and easy carrying in various work environments without sacrificing functionality.
NIST Calibration
Our gas monitor features USA NIST calibration, ensuring accuracy and reliability in measurement, which is essential for compliance and safety in hazardous environments.
USB Rechargeable
Equipped with a USB rechargeable battery, it provides convenience and sustainability, allowing users to easily recharge it on the go, eliminating the need for constant battery replacements.
Product Details
- 🚀 SENSOR: High-quality nano sensors are included in this 4-gas meter to detect Oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustibles (LEL). Comes FACTORY-CALIBRATED.
- 🌇 DETECTION: Using ultra advanced nano-sensors for high fidelity and resolution. Zero and span calibration options.
- ⚛️ ALARMS: Adjustable audio, visual, and vibration alarms when preset levels are reached.
- 💪 STRONG: Rubber feel with high-strength ABS and anti-slip grip. Water-resistant, dust-proof, and explosion-proof.
| Power Source | Battery Powered |
| Alarm | LED, Buuzer and Vibration |
| Sensor Type | Electrochemical |
| Operating Humidity | <95% RH |
| Upper Temperature Rating | 122 Degrees Fahrenheit |
| Product Style | Modern |
| Color | Yellow |
| Item Dimensions D x W x H | 2.6"D x 1.2"W x 5.1"H (6.6 x 3 x 13 cm) |
| Item Weight | 0.6 Pounds (270 grams) |
| Enclosure Material | ABS |
| Brand | FORENSICS DETECTORS FD |
| Model Number | FD-4D |
| Number of Items | 1 |
| Manufacturer | FORENSICS DETECTORS |
| UPC | 636676500737 |
| Built-In Media | 4 gas monitor, english manual, USB charging cable, calibration cover, metal belt clip, and NIST calibration certificate. |
| Mfr Part Number | FD-4D |
| Style | Modern |
| Product Dimensions (L x W x H) | 2.6"D x 1.2"W x 5.1"H (6.6 x 3 x 13 cm) |
Who Should Buy?
-
Industrial Workers
Ideal for workers in confined spaces or hazardous environments where gas exposure risks are significant and constant.
-
Safety Inspectors
Useful for safety professionals conducting routine checks for gas leaks in industrial sites and ensuring compliance.
-
Emergency Responders
Beneficial for first responders needing to monitor gas levels quickly and efficiently during emergency situations and rescues.
-
Casual Users
Not suited for individuals who need sporadic or casual monitoring of gas levels without professional training or requirements.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What gases can this meter detect?
Answer: It detects Oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustibles (LEL). -
Question:
Is this 4-gas meter calibrated before use?
Answer: Yes, it comes factory-calibrated for immediate usability. -
Question:
What protective features does the device have?
Answer: It is water-resistant, dust-proof, and explosion-proof.
FORENSICS DETECTORS FD Gas Handling Supplies FD-4D Editorial Review
**** The 4 Gas Monitor by Forensics Detectors FD has made a strong impression on users who value portability, reliability, and high performance in safety devices. Compact and lightweight, this gas monitor is designed with user convenience in mind, fitting seamlessly onto belts or harnesses for easy access. Its primary function of detecting four gases—oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustible gases (LEL)—is executed with impressive accuracy, aided by factory calibration with USA NIST traceable reference gases. The monitor boasts a bright, easy-to-read display that remains functional even in low-light conditions, allowing for quick status checks. The audible and visual alarms activate when gas levels exceed healthy thresholds, providing a critical safety net without compromise. Users report that the device feels robust, suggesting it can withstand challenging work environments, while its rechargeable battery sustains long operational periods, making it a dependable choice for extended shifts. Despite its strengths, there are some limitations noted, particularly regarding the LEL sensor's specificity, which is calibrated primarily for methane and may not differentiate among other combustible gases. Regular calibration and bump testing, outlined in the user manual, ensure accuracy but require a level of diligence from the user. Nevertheless, the thorough attention to detail in its design, including its durable build and advanced sensor technology, positions this gas monitor as an outstanding portable option for anyone seeking reliable air quality and safety assessment tools. The overall customer reception is overwhelmingly positive, emphasizing the product's blend of performance and ease of use, ideal for both personal and professional settings. **Pros and Cons:** **
Customer Reviews & Ratings
16 customers ratings
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5 Star
87%
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4 Star
13%
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3 Star
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Pros
- Compact and portable design, ideal for easy carrying and quick access.
- Accurate detection of four gases with a bright, clear display.
- Loud alarms (auditory and visual) for immediate awareness of gas levels.
- Durable build quality capable of withstanding tough environments.
- Rechargeable, dependable battery life suitable for long use.
- Factory calibrated with NIST traceability for reliable performance.
Cons
- LEL sensor calibrated for methane, may not differentiate between different combustible gases.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 365
Order now and get it around Sunday, August 23
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 3 items left in stock.
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Features & Benefits
- Detects Oxygen, CO, H2S, and combustibles with high-quality nano sensors.
- Factory-calibrated for immediate use.
- Features ultra advanced sensors for high fidelity and resolution.
- Adjustable audio, visual, and vibration alarms for safety.
- Durable, water-resistant, dust-proof, and explosion-proof design.
- Ergonomic rubber feel with high-strength ABS and anti-slip grip.
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