8 Best
Portable Hvacs
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Product Highlights- Best for measuring the ventilation and air condition systems. widely used for gas measurement, calibration, and any troubleshooting of any gas pressure systems.
- Low battery display and auto power off set up function
- Measures air pressure of the single pipe or differential pressure of 2 pipes. has 11 selectable units of measurement kpa, psi, kgfcm2, ozin2, bar, mbar, inhg, mmhg, inh2o, fth2o, cmh2o.
- Max / minimum / average reading record function
- Differential pressure measurement,large lcd backlit dual display
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Product Highlights
- ✔️professional & multifunctional - this pro wind speed meter has functions such as: unit switching of wind speed(m/s, km/h, ft/min, knots, mph) and wind temp(℃,℉), max/min/average wind speed, battery level display, auto off, backlight, etc. which can meet various measuring demands.
- ✔️lightweight with carrying bag - this lightweight and user-friendly anemometer is perfect for outdoor enthusiasts. and it comes with a waterproof carrying pouch that allows you to carry and protect the device better during outdoor activities.
- ✔️highly accurate wind meter- thanks to the sensitive dual temp sensors, 8 vanes, smooth fan shaft, the holdpeak 866b anemometer can accurately detect wind speed, wind chill and temp. and this digital anemometer has a wind speed measurement range of 0.67~67.1 mph(+/- 2% of readings), which can help you monitor wind conditions in real time.
- ✔️with tripod hole & hand strap - our handheld anemometer has a tripod hole that allows you to free your hands while measuring. it also comes with a hand strap, which prevents it from being dropped or lost. this ensures every shooting, sailing, or drone flying safer and more enjoyable.
- ✔️wide applications - this handheld wind meter is ideal for outdoor activities like surfing, drone flying, kite flying, boating, golf, etc. and it is sensitive to measure very low air flow in hvac installation, duct vent. which can be a good helper in cfm calculation. you can simply calculate the cfm: air flow in cfm =wind speed x duct cross sectional area.
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Product Highlights
- 【big capacity & 2000mah】300ml large water tank can be used for 4-5 hours, when fill it up. cold air can be sprayed continuously for several hours to keep the body cool at night for a good sleep. with mobile power supply, 30-50 hours working time via 2000mah power bank, don't worry about power failure.
- 【mist sprayer funtion & 3 speed wind mode】the air cooler features with 3 wind modes (low/med/high) . personal air conditioner cooler, fan, air humidifier, 3 in one multifunction design take you away from the hot summer, enjoy your cooling summer.
- 【cordless air conditioner fan】true wireless and portable design, small size, which won't take up a lot of space and can easily carry to anywhere. in summer, the best choice for camping and you can easily carry it out, very suitable for homes, offices, outdoor picnics, etc. (rechargeable with mobile devices for power supply)
- 【7 color-cycle lights opton】7 different colors with color-cycle option! you can set the setting to automatic color cycle, or you can fix the color you like. it can bring you a good mood and help you fall asleep better.
- 【saving energy & healthy air circulator】it does not contain harmful refrigerant, nor does it use a compressor like a conventional power consuming air conditioner. with high efficiency at low power of working wattage:1w-8w, it saves your electricity bills and does no harm to the environment.
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Product Highlights
- 【swift & precise measurement】the ct-300, with an advanced electrochemical sensor head, swiftly detects co levels from 0-5000 ppm. its sensitivity ensures early warnings, allowing timely actions to prevent health risks. accurate readings empower quick decisions, promoting safety and well-being. versatile and portable, it guards against co in various settings, ensuring pe...
- 【user-friendly functions】with high-quality abs+pc material and anti-slip edge texture, ct-300 is durable and portable; it can be used for 40 hours with new batteries; low-power indicator will remind you of time to change batteries; it will automatically switch off when not in operation or when no gas is detected within 10 minutes to save power; backlit screen for easy v...
- 【carbon monoxide detector】toptes ct-300 is an ideal portable co tester to help you detect co gas concentrations timely and accurately, reducing the risk of co poisoning and protecting your life. it is a must-have tool for homeowners, drivers, campers, diy-ers, tourists, etc
- 【visual & audible alarm】the travel co detector uses both visual and audible alarms. when the concentration of co reaches the alarm threshold, the screen changes color and emits an urgent alarm sound to alert you of the presence of co gas in your surroundings, allowing you to promptly detect the danger, protect yourself
- 【what you get】 you will receive 1x ct-300 carbon monoxide detector, 1x protective case, 3x aaa batteries, 1x user manual. we also provide a 36-month after-sale service and lifetime technical support. please feel free to contact us if you have any questions or concerns
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Product Highlights
- 【see and hear, quick gas leak detection】the pt520a+ gas detector reacts to combustible gas leaks in just 0.5 seconds. when gas is detected, seven colored bars and a 75db audible buzzer will warn you of gas leaks. as gas concentration increases, the audible and visual alerts become more pronounced. *detection range: 50-10,000ppm
- 【user-friendly design】the pt520a+ natural gas detector automatically turns off after 10 minutes of inactivity to save energy. press the apo button to cancel or activate the auto power-off function. moreover, the audible alarm can be muted using the mute button to minimize disruptive alarm noise. easy to hold and wear-resistant, the pt520a+ features a double-sided bar-sh...
- 【rechargeable gas leak detector】with over 3000 recharge cycles, the toptes pt520a+ gas sniffer can reliably and durably detect gas leaks, including methane, propane, natural gas, and lpg, even in hard-to-reach locations. *please wait for 30 seconds for the preheating time before operating
- 【bendable gooseneck, simple to locate】equipped with a 17-inch gooseneck, the pt520a+ allows you to easily detect gas leaks in hard-to-reach positions, such as water heaters, dryers, kitchen stoves, fireplaces, and propane grills. the lengthy, bendable sensor tip lets you measure gas levels without getting too close
- 【what you get】you will receive 1xpt520a+ gas leak detector, 1xprotective case, 1xmicro usb cable, and 1xuser manual. we offer a 36-month after-sale service and lifetime technical support. please feel free to contact us if you have any questions or concerns
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Product Highlights
- 【single and double connectors】- there are two ports on the top of the differential pressure meter, one for testing positive pressure and the other for testing negative pressure. using a single tube connector, you can quickly measure the current pressure value (compared to the current air pressure), while a double tube connector can detect the pressure difference between...
- 【humanized design】- (1) with data record and retention function(data storage: 100 groups), convenient for users to check after testing; (2) it will turn off automatically after about 15 minutes without operation; (3) low battery reminder; (4) data reset function, so your readings are accurate. (5) 3 year warranty
- 【high precision pressure meter】- this is a simple and fast digital pressure gauge. it adopts imported pressure sensor, high precision adc and low power mcu design. measurement accuracy: ± 0.3% fso (at 25); measurement range: ± 2.999 psi also be used for indoor temperature measurement.【note】: before use, all previous data needs to be cleared before testing to ensure the ...
- 【lcd screen & 12 units measurement】- large high resolution display makes data clear at a glance and supports lcd backlight. 12 different measurement units to choose from: mmhg, inhg, fth₂o, inh₂o, pa, kpa, mbar, psi, kgcm² and ozin².
- 【wide application】- widely used in natural gas pipes, air conditioning systems, refrigeration and ventilation systems, mechanical hydraulics, plastic moulding, ceramic product manufacturing, biopharmaceutical molding, mining pressure testing, petrochemical industry molding, pressure testing of industrial gases, liquids and production equipment, etc.
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