TOPTES

FIND GAS LEAKS FASTER WITH THE TOPTES™ PT199 COMBUSTIBLE GAS LEAK DETECTOR

50–1,000 PPM Detection, Fast Audio-Visual Alerts & Pocket-Sized Portability – All in One

Add a practical layer of safety to your home, RV, workshop, or gas-appliance maintenance kit with the TOPTES™ PT199 Combustible Gas Leak Detector. Designed to identify the presence of common combustible gases, this compact handheld detector can help pinpoint suspected leaks from natural gas, methane, propane, butane, LPG, and other combustible gases.

Featuring a Gas Sensitive Semiconductor (GSS) sensor, methane-based 50–1,000 ppm detection range, audio and visual alarms, color-changing LCD indication, approximately 0.5-second alarm response, and a 1–5 cm recommended detection distance, the PT199 provides quick feedback when checking gas connections and appliances.

With batteries already included, simply power it on, allow the approximately 30-second warm-up period, and begin checking suspected areas.

Why Choose the TOPTES™ PT199 Gas Leak Detector?

Detects Multiple Combustible Gases

One compact detector can be used to check for several commonly encountered combustible gases.

The TOPTES™ PT199 is designed to respond to gases including:

✔ Natural Gas

✔ Methane

✔ Propane

✔ Butane

✔ LPG

✔ Other Compatible Combustible Gases

This makes it useful around gas-powered household equipment, RV systems, and other compatible installations.

Helps Pinpoint Suspected Gas Leaks

Don't rely on smell alone when trying to identify the location of a suspected leak.

Move the detector gradually around gas connections, fittings, valves, hoses, and other potential leak points.

According to the supplied specifications, the recommended sensing distance is approximately 1–5 cm from the suspected source.

Benefits:

✔ Helps locate suspected leak areas

✔ Useful around fittings and connections

✔ Compact probe-style design

✔ Convenient for routine checks

50–1,000 PPM Detection Range

The PT199 has a manufacturer-stated detection range of approximately 50–1,000 ppm based on methane.

This allows the detector to respond to relatively low concentrations of compatible combustible gas while providing progressively stronger warning feedback as concentration increases.

Detection Range: 50–1,000 ppm

Reference Gas: Methane

Sensitivity can vary depending on the specific gas being detected.

Fast Audio & Visual Gas Alerts

Get immediate feedback when combustible gas is detected.

The PT199 combines audible and visual warning systems, helping make detection easier even when you're focused on inspecting pipes or equipment.

According to the supplied manufacturer information, the alarm can respond in approximately 0.5 seconds after detecting gas.

Benefits:

✔ Audible alarm

✔ Visual warning

✔ Fast manufacturer-stated response

✔ Easier leak-location feedback

Alarm Intensifies With Gas Concentration

Know when you're moving closer to the suspected leak.

As detected gas concentration increases, the warning response becomes more intense.

This can help you narrow down the area where gas may be escaping.

Use the changing alert level to:

✔ Follow gas concentration changes

✔ Compare nearby connection points

✔ Narrow the suspected source

✔ Identify areas requiring professional attention

High-Level Red LCD Warning

Receive a clear visual indication when readings rise.

The detector's LCD display is designed to change to red when a high concentration is detected, adding another easily recognizable warning signal.

Benefits:

✔ Easy-to-see display

✔ Color-based warning

✔ Useful alongside audible alerts

✔ Clearer indication of elevated readings

30-Second Warm-Up

Quick preparation before testing.

After powering on the PT199, allow approximately 30 seconds for the sensor to warm up before beginning leak detection.

This stabilization period allows the gas-sensitive sensor to prepare for normal operation.

Ready to Use With Batteries Included

No need to purchase batteries separately.

The detector comes with 2 × AAA batteries, so you can begin using it after installation and the required warm-up period.

Benefits:

✔ Batteries included

✔ No rechargeable battery waiting time

✔ Easy replacements

✔ Convenient for emergency tool kits

Low-Battery Warning

Know when power is running low.

The PT199 includes a low-battery indicator that activates when voltage falls below approximately 2.4V, helping reduce the chance of unknowingly performing checks with insufficient battery power.

Automatic Power-Off

Help preserve battery life between inspections.

If there is no operation or gas detection for approximately 5 minutes, the detector can automatically power itself off.

Benefits:

✔ Conserves battery power

✔ Helpful if accidentally left on

✔ Extends usable battery life

✔ Convenient for occasional household checks

Compact Pocket-Sized Design

Keep gas detection equipment within easy reach.

At approximately 6.5 inches high and only 0.79 inches across, the PT199 has a slim pen-style profile that is easy to carry, store, and maneuver around gas equipment.

Benefits:

✔ Pocket-sized form

✔ Easy one-hand operation

✔ Simple storage

✔ Convenient around confined connections

✔ Portable for RVs and toolboxes

Lightweight Construction

At approximately 2.08 ounces, the detector adds minimal weight to an emergency kit or toolbox.

Take it with you when checking:

✔ Home Gas Appliances

✔ RV Systems

✔ Propane Connections

✔ Utility Areas

✔ Workshops

✔ Rental Properties

Non-Slip Exterior

Maintain a secure grip during inspection.

The housing features a non-slip design intended to improve handling while moving the detector around appliances, valves, or pipe fittings.

Ideal for Natural Gas Checks

Use the PT199 around compatible natural-gas equipment such as:

✔ Gas Cookers

✔ Gas Ranges

✔ Furnaces

✔ Water Heaters

✔ Gas Fireplaces

✔ Gas Pipe Connections

✔ Shut-Off Valves

Always follow appliance manufacturer guidance and contact a qualified gas professional if a leak is suspected.

Useful for Propane & LPG Systems

The detector can also help identify suspected leaks around compatible propane or LPG systems.

Useful around:

✔ Propane Tanks

✔ RV Gas Systems

✔ LPG Connections

✔ Outdoor Cooking Equipment

✔ Gas Hoses

✔ Regulators

✔ Connection Fittings

Great for RV Owners

Gas systems are common in recreational vehicles, making a portable detector useful for checking connections during maintenance or troubleshooting.

The compact PT199 can be kept in an:

✔ RV Toolbox

✔ Maintenance Compartment

✔ Emergency Kit

✔ Vehicle Storage Area

Designed for Homeowners & DIY Inspection

The PT199 provides a practical way to perform preliminary checks when you suspect combustible gas may be escaping.

It can help you investigate areas before deciding where professional inspection or repair may be needed.

Important: A handheld detector does not replace proper installation, fixed gas alarms, professional leak testing, or required safety equipment.

What's Included

✔ 1 × TOPTES™ PT199 Combustible Gas Leak Detector

✔ 1 × Protective Storage Bag

✔ 2 × AAA Batteries

✔ 1 × User Manual

Everything required for basic operation is included in the package.

How to Use

Step 1 — Install the Batteries

Insert the included AAA batteries according to the marked polarity.

Step 2 — Power On

Turn on the PT199.

Step 3 — Allow Warm-Up

Wait approximately 30 seconds for sensor stabilization.

Step 4 — Approach the Suspected Area

Move the detector slowly near valves, joints, hoses, and connections.

Step 5 — Maintain Detection Distance

For localized checking, position the detector approximately 1–5 cm from the suspected source.

Step 6 — Follow the Alarm

Listen and watch for increasing warning intensity.

A stronger response may indicate increasing combustible-gas concentration.

Step 7 — Take Appropriate Safety Action

If a gas leak is suspected or confirmed, stop investigating if conditions are unsafe and follow emergency procedures appropriate for the gas and location.

Technical Specifications

Product: TOPTES™ PT199 Combustible Gas Leak Detector

Model: PT199

Product Type: Portable Combustible Gas Detector

Sensor: Gas Sensitive Semiconductor (GSS)

Detectable Gas Examples: Natural Gas, Methane, Propane, Butane & LPG

Detection Range: Approximately 50–1,000 ppm, Based on Methane

Recommended Detection Distance: Approximately 1–5 cm

Alarm Types: Audible & Visual

Alarm Response: Approximately 0.5 Seconds, Manufacturer Stated

High-Level Display Warning: Red LCD Indication

Warm-Up Time: Approximately 30 Seconds

Power Source: Battery Powered

Battery Requirement: 2 × AAA

Batteries Included: Yes

Low-Battery Indicator: Below Approximately 2.4V

Automatic Power-Off: Approximately 5 Minutes Without Operation or Gas Detection

Operating Humidity: Up to 95%, Listed Specification

Upper Temperature Rating: 122°F / Approximately 50°C

Dimensions: Approximately 0.79"D × 0.79"W × 6.5"H

Weight: Approximately 2.08 oz

Color: Orange

Important Safety Information

If you smell gas strongly, hear gas escaping, or believe there may be a significant leak:

✔ Do not intentionally create sparks or flames

✔ Do not smoke

✔ Do not operate electrical switches in the affected area

✔ Move people away from the suspected hazard when appropriate

✔ Follow your gas utility or local emergency guidance

✔ Contact qualified emergency or gas-service personnel

Do not remain in a potentially dangerous environment solely to obtain a detector reading.

Important: Not a Carbon Monoxide Detector

The TOPTES™ PT199 is designed for combustible gas detection.

It should not be treated as a replacement for:

✔ Carbon Monoxide Alarms

✔ Smoke Alarms

✔ Fixed Natural-Gas Alarms

✔ Professional Gas-Safety Inspections

✔ Required Building Safety Equipment

Carbon monoxide is different from combustible gases such as methane and propane, and appropriate dedicated CO alarms should be installed wherever required.

Portable Detection When You Need It

Finding the approximate location of a suspected gas leak can be difficult without the right tool.

The TOPTES™ PT199 Combustible Gas Leak Detector combines multi-gas sensitivity, fast audio-visual alerts, a methane-based 50–1,000 ppm detection range, included batteries, automatic power management, and a compact handheld design into one practical inspection device.

Power it on.

Check suspected connections.

Identify potential gas leaks faster.

Order your TOPTES™ PT199 Combustible Gas Leak Detector today and add a practical gas-checking tool to your home, RV, or maintenance kit.