Digital Air Pressure Gauge - Dual Port HVAC Manometer with Differential Pressure Measurement, Handheld Portable Gas Pressure Tester Tool for HVAC, Plumbing, Automotive & Industrial Applications
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SKU:79138809
Product Description
Specifications: Measuring range: ±10kPaAccuracy: ±0.3%FSO (25℃)Repeatability: ±0.2% (Maximum +/-0.5 FSO)Linearity/hysteresis: ±0.29 FSOResponse: Typical 0.5sUp overload indication: Err1Down overload indication: Err2Operating temperature: 0~50℃Storage temperature: -10~60℃Power supply: 4 x 1.5V AAA battery Application: Widely used in measuring pressure of fans, resistance, wind velocity, oven pressure, differential pressure of filter, and monitoring the gas content in the air in process of combustion.
Product Features
DISPLAY Large digital LCD screen with backlight and offer 11 selectable pressure units bar, mbar, kPa, kgf/cm2, mmHg, cmH2O, Ozf/in2, psi, inHg, inH2O, ftH2O
FEATURES USB Port for pc connection (read and export data via USB cable), 0.5s response time, dual input probes, factory pre-calibrated, overload indication, data HOLD function and Max / Min / AVG values measurement.
MEASUREMENT RANGE 1.450 psi with 0.001 resolution and ±0.3%FSO (25℃) Accuracy
POWER SOURCE 4 x 1.5V AAA battery
APPLICATION Test ductwork and gas pressure on HVAC systems like oil furnace, boiler, air condition, refrigerator etc.
Customer Reviews
While there is no documentation for the serial protocol for this device, we were able to reverse engineer the command strings. For anyone who needs this information, read below.The command string is a colon followed by a number followed by a semicolon. So :0; is command 0, :7; is command 7, etc. There are 8 commands that we were able to discover.:0; - Start streaming data:1; - Set unit type (also starts streaming):2; - Toggle differential pressure on/off:3; - Toggle Hold on/off:4; - Toggle record on/off:5; - Toggle backlight on/off:6; - Shutdown device:7; - Stop streaming dataSerial port setup is:Baud: 9600Parity: NoneCharacter Size: 8Stop Bits: 1Flow control: none
