Model Number: AMF031 /AMF032/AMF033-#3503 Brand Name: TLead Key Specifications/Special Features: Applications:This unit is widely used in measuring fan pressure, wind speed, oven pressure and hydraulic systemCan also be used controlling the gas ratio in combustion and valve control, monitoring blood pressure, breath pressure with other medical deviceFeatures:1. With 11 units to select: Bar, mBar, kPa, Kgf/cm, mmHg, cmH2O, Ozf/in, psi, inHg, inH2O, ftH2O2. USB port allows you to connect with computer Model AMF031 AMF032 AMF033 Measuring Range ±10kPa ±10kPa ±35kPa Display LCD Display LCD Display LCD Display Accuracy ±0.3% FSO (25°C) ±0.3% FSO (25°C) ±0.3% FSO (25°) Repeatability ±0.2% (Maximum ±0.5% FSO) ±0.2% (Maximum ±0.5% FSO) ±0.2% (Maximum ±0.5% FSO) Max Pressure 50kPa 50kPa 150kPa Response Time Typical 0.5s Typical 0.5s Typical 0.5s Low Battery Indications YES YES YES Temperature Compensation NO YES YES Up Overload Positive Alert Err.1 Err.1 Err.1 Up Overload Negative Alert Err.1 Err.1 Err.1 Operating Temperature 0 to 50°C 0 to 50°C 0 to 50°C Storage Temperature -10 to 60°C -10 to 60°C -10 to 60°C Power 4 x AAAA 4 x AAAA 4 x AAAA USB Interface Yes Yes Yes