Elitech PG-30Pro Red Digital AC Pressure Gauge -14.5~800 PSI

Pressure range: Red gauge: -0.100 ~ 5.515MPa(-14.5-800 psi) Blue gauge: -0.100 ~ 3.448MPa(-14.5-500psi) Resolution: 0.001MPa, 0.5psi Accuracy: ±0.5%FS Sampling period: 1s Temperature unit: ℃/F Backlight time: The backlight will be off after 3s, 4s, 5s, 10s or 15s assets in case of no operation. The LCD screen with blue backlight, 50 x 26 mm Measurement units: MPa, bar, psi, KPa, kg/cm 2, cmHg Auto-off: If this function enabled the gauge will be off automatically after 10 (or 20, 30, 40 )minutes per your settings. You may also disable this function by setting it as OFF, i. e the gauge will be on all the time. Parameter settings: Auto off, pressure/temperature unit, backlight time PT table lists the pressure and temperature of 87 types of common refrigerants Battery: 3 AAA batteries Battery life: Approx. 1 year Low battery indication at low battery level Operating environment: Temperature:-10℃~60℃; Humidity 35% – 85%RH Overpressure alarm: ALARM shows on the top right of the screen if the blue gauge pressure goes above 500psi and the red gauge above 800psi; ALARM shows with backlight flashing if the blue gauge pressure goes above 625psi and the red gauge above 1000psi. Package: Blister pack Fitting: 1/8NPT