Best Xetron in 2026

【Pass SAE-2791/ SAE-2913 standards, A2L compatible Refrigerant Leak Detector】Sensitivity Down to 0.1oz./year (3g/year). Instantly responding to all halogenated gases (including chlorine, fluorine, bromine): R290, R600a etc.][CFCs: R12, R11, R500 etc.] [HCFCs: R22, R123, R124 etc.] [HFCs: R32, R134a, R404a, R125 etc.] [HFOs: R454B, R1234YF etc.] [ Blends: AZ-50, HP62, R410a etc.]

【Infrared Absorption Spectroscopy, Anti-Interference Specifically for Automotive/ AC Maintenance】10-Year Sensor Life, 8-Hours continuous working after a charge, Efficiently putting an end to false trigger against cooling liquid, carb cleaner, transmission oil, engine oil, motor vehicle brake fluid etc. with a Large LCD Screen, new color graphic display, seen in bright sunlight or low light. Easily find leak dye with “Clip-On” UV LED at a glance.

【PEAK Function】 Record the Max. level of leaks. Mute the beep if you’re annoyed about it. High/ Medium/ Low of sensitivity to reach the best detection. Excellent sensitivity down to 0.14 oz/ year. 20 inch Stainless Steel Expansion Pipe Additionally with an Extended 12 inch.

【Certificated by SAE-J1627 and EN14624 Standards】Stop false alarms from soap bubbles solution. CLD-100 【With UV + White flashlight】, an advanced version of WJL-6000. Continuous detection mode, instantly responding to all halogenated gases (including chlorine, fluorine, bromine): [CFCs: R12, R11, R500, R503 etc.] [HCFCs: R22, R123, R124, R502 etc.] [HFCs: R134a, R1234yf, R404a, R125, R438a etc.] [HFOs: R1234 etc.] [Hydrocarbon: R290, R600a etc.] [ Blends: AZ-50, HP62, MP39, R410a etc.]

【6 Modes of Sensitivity to Reach the Best Detection】20cm flexible sensing tip with max.sensitivity of 0.21oz/yr(6gr/yr). You can manipulate the probe into the way you want to go. It's powered by 4 AAA batteries with low Battery Warning.

【The Less Warm-up Time】Warm-up time < 6s. Reset time: 2~10s. Reset function sets itself to ignore the ambient level of Halogen gas.

【Plug and Play】 No other accessories required. 2 Pre-wired cooling and heating outlets, simple 3-button and 2.5" large LCD screen design make the temperature regulator easy to use. Note: Not WIFI version No APP

【Ideal Temperature Control】 No matter summer or winter, it could save your money! The temp controller auto switches between heating and cooling TWO devices or auto turn on/off one device. Wide temperature control range: -40 ~230 ℉/-40~110℃, high accuracy ±2℉/±1℃.

【Multifunctional for Your DIY Project】 Personalized parameters can be set, including ℃/℉, high and low alarms, temperature calibration, start-up delay, protection time (cooling mode only) and etc., to meet the different needs of users.

【High Accuracy and Resolution for Charging Recovery】High capacity up to 220lbs/100kg with an accuracy of ≤±0.05% of reading (Overload Detection: display FULL and Alarm to Protect Sensors). Resolution: 0.011lbs. For use with all refrigerant types and refrigerant recovery cylinder tanks.

【More Than 26 Years of HVAC Experience 】Auto zero(Tare function) to read the amount of weight lost as you put in the refrigerant. Showing battery life. Auto-shutdown (if weight unchanged after 10 min). Unit converter (LB/ OZ/ KG). Self-test <2s after power-on.

【High Resistance to Collision】Freon scale SRC-200 made of strong aluminum. Solid plastic case is for 360 protection of your electronic scale.

50% off list price. Limit 5 units per person for the first order of 2000 units. First come first served. Ends on July 31, 2023.

【OTA(over-the-air update) for Remote Firmware Upgrade】Keep your manifold up-to-date. DMG-10X digital manifold, more units than mechanical manifold, Available Units of pressure and temperature : [psi, kPa, Mpa, bar, inHg], [℉/℃]. 【Built-in Temperature Compensation】Eliminating the mistake of temp. change affecting pressure.

【Add any refrigerants certificated by NIST Standard】Private custom for your job, DIY yourown 18 kinds, from 141+ refrigerants (continuously updated through APP), including R11 R12 R13 R22 R290 R32 R134a R404A R410A R407C R408A R409A R458A R448A R449A R500 R502 R600 etc. ASHRAE 34 standard classifies refrigerant safety based on toxicity and flammability, helping you ahead of time do adequate safety protection measures.

【High Accuracy and Resolution for Charging Recovery】High capacity up to 220lbs/100kg with an accuracy of ≤±0.05% of reading (Overload Detection: display FULL and Alarm to Protect Sensors). Resolution: 0.011lbs. For use with all refrigerant types and refrigerant recovery cylinder tanks.

【More Than 26 Years of HVAC Experience】Auto zero(Tare function) to read the amount of weight lost as you put in the refrigerant. Showing battery life. Auto-shutdown (if weight unchanged after 10 min). Unit converter (LB/ OZ/ KG). Self-test <2s after power-on.

【High Resistance to Collision】Freon scale SRC-400 made of strong aluminum. Rubber armors at the 4 corners to protect itself.

★2023 New Certificate of Calibration★ Elog20 is specially designed for vaccine storage and comes with a new certificate valid from February 15, 2023, to February 15, 2025. Widely used in vaccines, hospital pharmacies, CDC, cold chain logistics, warehouse management, and many other fields. Rest assured that your storage equipment meets the highest standards and keep your vaccines safe and secure!

★Glycol Bottle Buffered Probe★ Keep your temperature and humidity readings accurate while refrigerating with our recorder that comes with a glycol glass bottle. Don't worry about sudden temperature fluctuations after opening the freezer that can lead to inaccurate temperature readings.

★Versatile and Reliable★ Meet all your temperature monitoring needs with Elog20 thermometer for vaccine refrigerators that comes with a 2M extension probe and a 2.8-inch LCD screen. The probe has a temperature measurement range of -20°C to +40°C, ensuring accurate readings every time.

✔▶16000 sets of data, plug and play◀ Our disposable Temperature recorder can accurately record 16,000 sets of data, with built-in USB interface you only need to plug it into the computer to read the data directly, and you can export PDF reports without downloading software. Before starting the datelogger, please short press the button to confirm that the RECORD and STATUS indicators flash once at the same time

✔▶Low power consumption, 6 month battery life◀ Under typical application conditions, the battery life can be up to six months, the work lasts longer, Only $0.07 per day.Even if the battery is used out,the record data of the Elog1/1N product can still be restored, you can feel at ease.

✔▶DIY to meet the needs of different jobs◀ You can configure it however you want. You can adjust the start time, logging interval, start method, alarm value, etc. We can set 5 sets of over-temperature alarm settings, LED flashing reminder, timely notification, to avoid loss due to temperature. Before using the device, you can download and install the driver tips on the official website.

【OPTICAL SENSOR】Temtop’s laser light scatter technology offers uniquely broad particle size detection. The all-new PMD331 has an ultra-low detection limit, down to 0.1-micron particle size with a unit detection range of 0 to 3,000,000 CF. The continuous flow optical sensor is coupled with purge air to ensure accurate measurements in a wide range of environments without performance degradation.

【ADJUSTABLE INTERVAL TIME】User-adjustable sample times include 3-60 second intervals which facilitates environmental profiling in various applications. Ideal for both long-term sampling, a large display offers ease in viewing from across the room.Supports RS232 communication interface.

【USER-FRIENDLY】7-buttons enable easy access to menu-driven setup and sampling. The PMD331 offers selectable sample modes of TC/CF/L and alphanumeric location IDs, giving the user the ability to identify a unique name to a location or sampling area. This dust monitor can store up to 2,000,000 sample records which are easily accessed on-screen or downloaded to a computer with the included utility software.

CLD-100UV【Certificated by SAE-J1627 and EN14624 Standards】Stop false alarms from soap bubbles solution. CLD-100 【With UV + White flashlight】, an advanced version of WJL-6000. Continuous detection mode, instantly responding to all halogenated gases (including chlorine, fluorine, bromine): [CFCs: R12, R11, R500, R503 etc.] [HCFCs: R22, R123, R124, R502 etc.] [HFCs: R134a, R1234yf, R404a, R125, R438a etc.] [HFOs: R1234 etc.] [Hydrocarbon: R290, R600a etc.] [ Blends: AZ-50, HP62, MP39, R410a etc.]

CLD-100UV【6 Modes of Sensitivity to Reach the Best Detection】20cm flexible sensing tip with max.sensitivity of 0.21oz/yr(6gr/yr). You can manipulate the probe into the way you want to go. It's powered by 4 AAA batteries with low Battery Warning.

SRC-200【High Accuracy and Resolution for Charging Recovery】High capacity up to 220lbs/100kg with an accuracy of ≤±0.05% of reading (Overload Detection: display FULL and Alarm to Protect Sensors). Resolution: 0.011lbs. For use with all refrigerant types and refrigerant recovery cylinder tanks.

CLD-100UV【Certificated by SAE-J1627 and EN14624 Standards】Stop false alarms from soap bubbles solution. CLD-100 【With UV + White flashlight】, an advanced version of WJL-6000. Continuous detection mode, instantly responding to all halogenated gases (including chlorine, fluorine, bromine): [CFCs: R12, R11, R500, R503 etc.] [HCFCs: R22, R123, R124, R502 etc.] [HFCs: R134a, R1234yf, R404a, R125, R438a etc.] [HFOs: R1234 etc.] [Hydrocarbon: R290, R600a etc.] [ Blends: AZ-50, HP62, MP39, R410a etc.]

CLD-100UV【6 Modes of Sensitivity to Reach the Best Detection】20cm flexible sensing tip with max.sensitivity of 0.21oz/yr(6gr/yr). You can manipulate the probe into the way you want to go. It's powered by 4 AAA batteries with low Battery Warning.

DMG-10X【OTA(over-the-air update) for Remote Firmware Upgrade】Keep your manifold up-to-date. DMG-10X digital manifold, more units than mechanical manifold, Available Units of pressure and temperature : [psi, kPa, Mpa, bar, inHg], [℉/℃]. 【Built-in Temperature Compensation】Eliminating the mistake of temp. change affecting pressure.

【Combustible Gas Leak Detector】The TopTes PT199 is suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe

【Visual & Audio Gas Alarm】The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high

【Batteries Included & Easy to Use】The TopTes PT199 comes with 2x AAA Alkaline Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The system warm-up time is about 30 seconds. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection

NSF certified for use around food

Non-Corrosive

Detects Micro Leaks down to 0.65 oz/year

【Combustible Gas Leak Detector】 TOPTES PT177 is a useful little tool that helps every household who has gas appliances to quickly and easily pinpoint leakage of combustible gas including LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc. It will save a ton of time and potentially reduce energy bills

【Easy to Use, Visual & Audible Alarm】 All you have to do is load the provided batteries, let PT177 gas detector finish its 30-second automatic calibration process, and then point near where you suspect the leak to be (hold it a couple of centimeters away). PT177 detects gasses and alarms almost immediately within 0.5 to 3 seconds. Five red LEDs (visual) and 75dB audible alerts that increase with gas concentration

【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. The included storage bag makes the natural gas detector easy to store. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks

【Pass SAE-2791/ SAE-2913 standards, A2L compatible Refrigerant Leak Detector】Sensitivity Down to 0.1oz./year (3g/year). Instantly responding to all halogenated gases (including chlorine, fluorine, bromine): R290, R600a etc.][CFCs: R12, R11, R500 etc.] [HCFCs: R22, R123, R124 etc.] [HFCs: R32, R134a, R404a, R125 etc.] [HFOs: R454B, R1234YF etc.] [ Blends: AZ-50, HP62, R410a etc.]

【Infrared Absorption Spectroscopy, Anti-Interference Specifically for Automotive/ AC Maintenance】10-Year Sensor Life, 8-Hours continuous working after a charge, Efficiently putting an end to false trigger against cooling liquid, carb cleaner, transmission oil, engine oil, motor vehicle brake fluid etc. with a Large LCD Screen, new color graphic display, seen in bright sunlight or low light. Easily find leak dye with “Clip-On” UV LED at a glance.

【PEAK Function】 Record the Max. level of leaks. Mute the beep if you’re annoyed about it. High/ Medium/ Low of sensitivity to reach the best detection. Excellent sensitivity down to 0.14 oz/ year. 20 inch Stainless Steel Expansion Pipe Additionally with an Extended 12 inch.

High-precision Heated Diode Sensor: It triggers on R11/R22/R404a/R410a/R600a/R1234yf and all halogenated refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and blends.

4 Simple Buttons: It allows to fast reset, mute, power on/off, adjust sensitivity and makes LED screen visually display the leakage level and device status.

Fast Response: Warms up in the 30s and respond in 3s; 6-grade adjustable sensitivity with maximum sensitivity 0.11oz/yr.

✔ HIGH PERFORMANCE - The SMK-1 version 2.0 outputs lots of smoke! It's compact, powerful, and all quality components have been UPGRADED+ in version 2.0. All units come with our brand new ALP HIGH YIELD Ceramic Smoke System guaranteed to produce more smoke than all competition and last forever (smoke coil has our lifetime warranty).

✔ DIAGNOSE ALL TYPES OF LEAKS - Consistently smoke test EVAP / Vacuum / exhaust / and more at a fraction of the cost.

✔ PRECISE AND SAFE - Engineered and tested 100% safe for all vehicles & GUARANTEED TO WORK! High Smoke output detects micro leaks down to .001 inches.

Concentrated

No Pump Down

For use in heat pumps, split and mini split systems, packaged units, and micro-channel coils

Heated Diode Refrigerant Leak Detector

Sensitivity better than 0.03 oz/yr (1g/a)

Bright, LCD screen with easy-to-see bar graphs and numeric readings

🔬 ACCURATE: Professional and Accurate OXYGEN (O2) gas detector, 0-30.0% with 0.1% resolution. USA NIST Calibration.

🌷 DETECT: Electrochemical cell sensor with accuracy: ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Comes factory calibrated.

🎆 ALARMS: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.

The Ultrasonic Leak Detector can quick and simple location ultrasonic caused by air, liquid, dust leak. It’s able to detect leakage on tyre and also detects ultrasound as well. Use ergonomics, it is easy and fast for user to use with simple key operation mode and comfortable hand feeling.

The Air Leak Detector is a very useful device to locate leak either under pressure or vacuum. The head phone produced a very distinct sound on the area where the leak is coming from. Using the transmitter, it will transmit sound from an enclosed area and can pinpoint the gaps or opening on the roof using the receiver.

The Ultrasonic Leak Finder can detect the air or liquid leakage by detecting ultrasonic caused by high pressor leakage.It can trace the detector around outside of the screen, windows and door seals to locate the leak. It uses the advanced ultrasonic sensing technique and features small size, light weight, reliable detection, easy use and utility.

DIGITAL SIGNAL MICRO-PROCESSOR provides precise and instant responses

SENSITIVITY LEVEL ADJUSTMENT with 6 levels of sensitivity and 15 levels of detection

STATE OF THE ART FEATURES including visual leak level indicator, keypad control, mute and reset function

Concentrated

No Pump Down

For use in heat pumps, split and mini split systems, packaged units, and micro-channel coils

Sensitivity of 0.15 oz./year (4 g/year)

Detects all CFCs, HCFCs, HFCs, and HFOs

Proven heated diode sensor for reliable leak checking

Stop roof or ceiling leak damage and protect your people, equipment and inventory with the original leak diverter tarp

Long, rectangular tarp shape catches leaks along cracks or pipes

Easily keep rain and snow from storming inside. Whether condensation and ice, or heavy rain from a high-wind hurricane, this solution will quickly protect your team and what you've built

⚛️ ACCURATE: OXYGEN (O2) gas detector + PUMP (0.5LPM 500cc/min), 0-30.0% with 0.1% resolution. USA NIST traceability calibration. Turn ON and GO.

🚄 DETECT: Electrochemical cell sensor with accuracy: ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Comes factory calibrated.

🎆 ALARMS: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.

You Will Receive: 2 pieces of UV light kits (AAA batteries are not included), 4 pairs of leak detector glasses and 2 pieces of black bags, enough quantity and nice combination to meet your testing, replacing, storing and sharing needs

14 LED Lights: each leak detector light adopts 14 LED lights, with strong light, reliable and stable, practical and effective, serving you for a long time; The flashlight shell is made of aluminium, easy to grasp

Protect Your Eyes: the UV protective glasses are mainly made of quality PC, with smooth surfaces, comfortable to use, reliable and lasting, not easy to deform or break, which can be applied or stored for a long time, to provide you with more convenience, and keep your eyes from UV rays

【WIDELY APPLICATION】The electronic stethoscopes is a very useful diagnostic test tool which can reduce downtime and maintenance related costs of the tested equipments.Air/Vacuum Leaks;Gas and Liquid Turbulence;Electrical Discharge;Mechanical Wear;Sound Generation.A practical and portable tool for any pressure and vacuum system.

【THE RECEIVER PERFORMANCE】allsun pro ultrasonic leak is mechanics electronic stethoscope, the receiver is sensitive to ultrasonic in the frequency range of 36k to 44kHz Audio feedback and a 10 bar LED indicator for visual intensity of signal, 33mm directional receiver port, 3.5mm stereo jack and a rotary on/off volume control switch.

【ACCURATE & RELIABLE】Pro Ultrasonic Leak Detector Kit,the 30cm air probe serves to extend reach or to facilitate isolating a leak among multiple suspect areas.This Ultrasonic Diagnostic Tool is easy to carry and operate, and its detection result is accurate and reliable.

【Upgraded Version of WJL-6000】WJL-6000Pro halogen leak detector is the upgraded version of the classic WJL-6000 with higher sensitivity. New upgraded LCD screen displays sensitivity level and refrigerant gas leakage level, even multiple alarm functions.

【Higher Sensitivity】7.9 inch flexible sensing tip with with higher sensitivity(up to 0.11oz/yr.) that compared with WJL-6000(0.21oz/yr), It can continuously work for 50 hours with 4*AAA batteries power supplied.

【Multi-Alarms】The audible and visual display alarms in the leakage tester can easily help you to locate where the leakage is. Once leaking gas is detected, the beep frequency will increase. The more gas leaked, the quickly the buzzer beeps, at the same time, the LCD screen displays the leakage level.

【WATER LEAK DETECTOR】Detect pipe leakage by amplifying the sound, with headphones, you can adjust the sound level. It has strong practicability and is suitable for water leakage detection of various construction pipelines. Penetrability: Pipe/ Cement Pipe/ Steel Pipe.

【HIGH SENSITIVITY】Dual probe design, including circular probe and needle probe, can be switched according to the site conditions. Probe Sensitivity: -10D db- -70D db. Maximum Audio Amplification Factor: 20000X.

【PREMIUM QUALITY】Tube Water Leak Detector is made of high-quality ABS and metal, wear-resistant and durable, not easy to damage. Built‑in 3.7V lithium battery, which can be recharged repeatedly, which is convenient to use.