Overview
The TOPTES PT199 Natural Gas Leak Detector is a compact and precise portable sniffer designed to detect a wide range of combustible gases in residential, commercial, and mobile environments. With its advanced Gas Sensitive Semiconductor (GSS) sensor, this device provides accurate leak detection within seconds, helping prevent hazardous situations caused by undetected gas leaks.
The PT199 features dual sensitivity modes, allowing detection across a range of 50 to 1000 ppm. Its fast warm-up time of 30 seconds and quick response of 0.5 to 3 seconds make it suitable for pinpointing leaks in pipes, fittings, and appliances. Visual and audio alarms intensify proportionally with gas concentration, while the LCD display turns red during high gas levels for instant recognition.
Powered by two AAA batteries, this lightweight detector is designed for mobility and ease of use. It includes automatic power-off after 5 minutes of inactivity and a low battery indicator to ensure reliable operation at all times.
Ideal for homeowners, RV owners, and technicians, the PT199 combines professional-level sensitivity with user-friendly operation, making it an essential safety tool for kitchens, utility rooms, and maintenance tasks.
Key Features
- Dual Sensitivity Modes: High sensitivity (50–500 ppm) and low sensitivity (500–1000 ppm) settings enable accurate leak localization.
- Fast Response Time: Detects gas within 0.5 to 3 seconds, allowing quick identification of leaks.
- Visual and Audible Alarms: Variable tone buzzer and LCD bar graph provide clear alerts as gas concentration rises.
- Compact and Portable: Slim 6.5 in design with non-slip body and pocket clip for easy carrying.
- Battery Powered: Operates on two AAA batteries with auto power-off after 5 minutes to save energy.
- Low Battery Indicator: Alerts when battery voltage falls below 2.4 V for uninterrupted operation.
- Wide Gas Detection Range: Detects methane, propane, LPG, butane, ethane, sewer gas, and gasoline vapors.
- Simple Setup: 30-second warm-up in a clean environment ensures accurate calibration.
- Durable Build: Made with sturdy PVC material for reliable long-term use.
- Versatile Applications: Ideal for home inspections, RVs, kitchens, and HVAC maintenance.
Specifications
- Brand: TOPTES
- Model Number: PT199
- Color/Variant: Orange
- Power Source: 2 × AAA Alkaline Batteries (Included)
- Sensor Type: Gas Sensitive Semiconductor (GSS)
- Detection Range: 50 to 1000 ppm (Methane)
- Sensitivity Modes: High 50–500 ppm, Low 500–1000 ppm
- Warm-Up Time: 30 seconds
- Response Time: ≤ 3 seconds
- Alarm Type: Audible and Visual
- Display Type: LCD with 7-bar graph and color change
- Operating Temperature: 0 to 50 °C
- Operating Humidity: Up to 95% RH
- Dimensions: 0.79 in (D) × 0.79 in (W) × 6.5 in (H)
- Weight: 0.13 lb (57 g with batteries)
- Material: PVC
- Certifications: CE, UKCA, RoHS, FCC
- Auto Power-Off: 5 minutes of inactivity
- Warranty: 1 Year Limited Warranty
Ideal For
- Homeowners inspecting gas lines and kitchen appliances for leaks
- RV owners maintaining onboard gas systems
- DIY users performing home safety checks
- Technicians pinpointing leaks in fittings and pipes
- Property inspectors conducting safety evaluations
Package Includes
- 1 × PT199 Gas Leak Detector
- 2 × AAA Batteries
- 1 × Storage Bag
- 1 × User Manual
FAQs
How do I set up the detector for use?
Turn it on and allow 30 seconds for warm-up in a clean environment to ensure accurate calibration.
How close should the detector be to detect a leak?
Hold it 1 to 5 cm from the suspected source, depending on leak severity.
How can I tell which sensitivity mode is active?
When the S button light is on, the detector is in high sensitivity mode; when off, it is in low sensitivity mode.
Will the alarm stop automatically once gas dissipates?
Yes, it will continue sounding until the gas concentration falls below 5% of the lower explosive limit.
Can I replace the sensor?
No, replacement sensors are not sold separately. Contact TOPTES if the sensor fails within three years.
Can it detect carbon monoxide or fire-related gases?
No, it is designed for combustible gases like methane and propane, not CO or fire byproducts.
What is the difference between this detector and a gas monitor?
Monitors are for continuous area detection, while this handheld detector pinpoints the exact leak source.
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