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TOPTES Guard-101

TOPTES Guard-101

TopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, for Work, Home - Orange

In Stock

Price
$99.99
Brand
TOPTES
View on Amazon

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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 Response time (T90) is higher than 75% of 8 others: 60 s
  • This product's Charging time is the highest of 8: 8.0 hours
  • This product's Battery runtime is lower than 92% of 13 others: 12 hours
  • This product's Length is higher than 83% of 30 others: 5.12 in. (130 mm)
  • This product's Operating temp min is lower than 77% of 18 others: -4 ℉ (-20 ℃)

Compare this product with close matches

Specifications

These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.

Model
Guard-101
Manufacturer page
Link
User manual
Link

Detection capabilities

Min. CO detection
0 ppm
Max. CO detection
1,000 ppm
Resolution
1 ppm
Gases detected
CO, H2S, O2 and LEL (combustible gas)
Response time (T90)
60 s
Accuracy
CO ±10%
Sensor type
Electrochemical
Sensor life
2.0 years
Built-in pump
No

Alarms

Low alarm level
50 ppm
High alarm level
200 ppm
Adjustable alarm levels
Yes

Charging

Charging time
8.0 hours
Battery runtime
12 hours
Battery capacity
2,000 mAh

Core specs

Battery chemistry
Lithium (non-replaceable)

Physical Attributes

Weight
0.44 lbs
Weight
0.20 kg
Length
5.12 in.
Length
130 mm
Width
2.56 in.
Width
65 mm
Depth/Height
1.77 in.
Depth/Height
45 mm

Operating Temp Range

Operating temp min
-4 ℉
Operating temp max
122 ℉
Operating temp min
-20 ℃
Operating temp max
50 ℃

Certifications

Certifications summary
CE, UKCA, RoHS, FCC, Ex ib IIB T3 Gb mark

More specifications

Warranty
3 Years

Features

Details from the TOPTES Guard-101 Amazon listing:

  • Quick Detection, Safety First: Guard-101 4 gas monitor multi gas detector is designed for rapid detection of 4 types of gases (H2S, CO, LEL, O2). The battery life lasts up to 14 hours, ensuring long-term monitoring of gas concentrations
  • User-Friendly Design: Guard-101 gas detector is made of high-strength ABS engineering plastic, which is waterproof, dustproof, and explosion-proof. Its back clip design makes it easy to carry in the workplace. Password protection prevents accidental operation, with an initial password of "69"
  • Triple Alarm, Data Storage: Guard-101 4 gas monitor multi gas detector utilizes three alarm modes: LED light, vibration, and sound. It responds within 0.5 seconds and continues to alarm until the gas concentration returns to normal. The Guard-101 also features an alarm record storage function, allowing you to check monitoring data at any time
  • Professional Certification: The Guard-101 4 Gas Monitor has passed rigorous safety tests conducted by internationally authorized institutions. It holds valid certification and meets industry standards, ensuring high reliability and accuracy in various environments
  • What You Get: Your purchase includes a Guard-101 gas detector, a packaging box, a user manual, a charging cable, and a standard gas hood. This device is suitable for a wide range of applications, including industrial manufacturing, mining, agriculture, emergency rescue, and home use

Similar products from other brands

Chosen for their similar specs and price:

Similar products from other brands
This productTOPTES Guard-101 FORENSICS DETECTORS FD FD-90A-CO BW Technologies GasAlertMicroClip XL KLEIN TOOLS ET110
Price $99.99 $99.45 $609.00 $129.99
Model Guard-101 FD-90A-CO GasAlertMicroClip XL ET110
Popular brand – – – Yes
Min. CO detection (ppm) 0 0 0 0
Max. CO detection (ppm) 1,000 1,000 500 1,000
Resolution (ppm) 1 1 1 1
Gases detected CO, H2S, O2 and LEL (combustible gas) CO CO, H2S, O2 and LEL (combustible gas) CO
Response time (T90) (s) 60 30 – 60
Accuracy CO ±10% ±5% F.S. CO ±10% ±5% or 5 ppm, whichever is greater
Sensor type Electrochemical Electrochemical – Electrochemical
Sensor life (years) 2.0 2.0 5.0 5.0
Built-in pump No No No –
Low alarm level (ppm) 50 50 35 35
High alarm level (ppm) 200 200 200 200
Alarm loudness (dB) – – 95 –
Adjustable alarm levels Yes Yes Yes –
TWA / STEL alarms – – Yes Yes
Charging time (hours) 8.0 3.0 6.0 –
Battery runtime (hours) 12 24 18 –
Battery capacity (mAh) 2,000 1,500 – –
Charging port – Micro-USB – None
Battery chemistry Lithium (non-replaceable) Lithium-ion Lithium-ion polymer –
Weight (lbs) 0.44 0.31 0.42 0.32
Weight (kg) 0.20 0.14 0.19 0.15
Length (in.) 5.12 4.30 4.40 7.75
Length (mm) 130 109 113 197
Width (in.) 2.56 2.30 2.40 2.16
Width (mm) 65 58 60 55
Depth/Height (in.) 1.77 1.70 1.20 1.45
Depth/Height (mm) 45 43 32 37
IP rating – – IP68 –
Operating temp min (℉) -4 0 -4 32
Operating temp max (℉) 122 122 122 122
Operating temp min (℃) -20 -18 -20 0
Operating temp max (℃) 50 50 50 50
NIST traceable calibration – Yes – No
ATEX / IECEx certified – Yes Yes –
Class I Div. 1 (UL/CSA) – – Yes –
UL 2034 listed – – – No
Certifications summary CE, UKCA, RoHS, FCC, Ex ib IIB T3 Gb mark ATEX CSA Class I Div. 1 Groups A-D, ATEX, IECEx, CE, KTL, INMETRO, FCC Part 15 Class B statement CE, CAN ICES-003 (B)/NMB-003 (B)
Warranty 3 Years 1 Year 2 Years –

Data sources

Data for this product compiled from these sources:

Specifications last updated Oct 8, 2026.