7 Best
Hvac Units
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Product Highlights- ✅【usb data transmission anemometer】come with a usb and disc, which you can stored and analyze data by connecting to the pc via usb.large display with backlight, low power indicator,data hold,℃/℉ switch,stretchable and adjustable blades,a greatest weather monitor for windsurfing,sailing,flying and shooting.
- ✅【air flow area setting】 you can press the ''area" key,then press the numbers keys to enter a new duct area,such as the number 1 or 2,then press the "enter" key to confirm,you can also press the "unit'' key to choose cfm or cmm.
- ✅【high precision anemometer】 wind speed range: 0.001~100 mph (accuracy: +/- 3%+0.2 rdg),0.001~45m/s (accuracy: +/- 3%+0.1 rdg); temp range:32~113℉;resolution: 0.001 mph.measure wind speed in max/min/current.display in 5 units: m/s, km/h, ft/min, knots, mph.
- ✅【cfm meter】wind flow range: cfm 0-999900 ft3/min, resolution: 001-100, wind flow area 0.001-9999 ft2,wind flow calculate formula: flow =velocity *(free area);a good and protable cfm meter for you to measure hvac,air blower and air velocity.
- ✅【save your battery】manual or auto power off after 5 mins without operation. 9v(6f22) battery included,aoputtriver come with 2-years-warranty,if you have any problems with our products,welcome contact us,we will replace for you.
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Product Highlights
- 🌟【11 selectable units】mmhg, inhg, fth₂o, cmh₂o, kpa, mbar, bar, psi, kgcm², inh₂o, and ozin². dual-port manometer over-range indication available.
- 🌟【multifunctional】differential pressure gauge meter with data record, data hold, max/min/avg/dif, low battery indication, backlit lcd, automatic shutdown (can be disabled)functions.
- 🌟【high accuracy manometer】test air pressure ±206.8 kpa / ±30.00psi with ±0.3%fs high accuracy. ±0.25%fs repeatability.
- 🌟【dual port design】gas pressure tester with two tube connector(3.18mm diameter), can measure static pressure(positive/negative) and differential gas pressure levels accurately. rq-189b comes with 4pcs flexible tube, 1pcs 1/8 thread adapter, portable case and 365 days quality warranty.
- 🌟【wide applications】rq-189b air pressure meter is suitable for on-site calibration and troubleshooting of various gas systems, and is an indispensable and important tool for ventilation and air conditioning system measurements.
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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
- 【high accurate hvac cfm meter】measures high wind velocity range 0.3~40 m/s, +/- 2.0% + 50, display in 6 units: m/s, km/h, ft/min, knots, mph, fpm; wind temp range 14°f～140°f, +/- 2.7 °f display in 2 units ℃℉(celsius,fahrenheit); wind flow range 0~999900 ft3/min.
- 【portable anemometer】 it’s a handheld pocket size wind speed indicator comes with protective case, large backlit screen, low battery indicator and auto shut down to save the battery. portable for indoor and outdoor wind measurements,such as: long range shooting,boat sailing, kite flying, climbing, drone driving,vent, turbine air flow testing etc.
- 【wind data sync on computer】 this wind velocity meter can measure wind speed, wind temperature, wind flow, relative humidity(%rh) and dew point, provides max / min of wind velocity reading to balancing the hvac system. built with sensitive 8 vanes to pick up slow winds down to 0.01 resolution. comes with a usb cable and pc software for wind data logging, analysis and mo...
- 【usb data logging】with a metal screw hole in the bottom so you can mount it on a tripod for hands-free operation. support to connect the wind meter to computer via usb port, for monitor and record wind speeds, temperature, cfm air flow and rh, perfect for balancing air flow in hvac tasks such as: duct vents, ac air output testing
- 【tips for wind temp %rh testing 】 the temperature sensors are inside the left and right holes, to shade them from sunlight to assure the wind reading are for the air flowing through the holes. so without air flow, the temp and %rh reading won’t change rapidly, they’ll change slowly.
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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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