Specifications:
Applied ambient: Clean, dry and non-eroded air
Measurement range: 0 to 15psi
Ambient temperature: -20 to 80° C
Ambient moisture: 5 to 95%
Accuracy: 1%
0.01kpa least resolution
Permanent stability: 1%
4 digits LCD with hold radix point, changes between inhg and μ Units
Display window dimension: 47 or 22cm

Gauge dimensions: 80mm
Power supply: 9V lithium battery, 1, 000 to 12, 000mAh
Battery life: 18 months
Battery automatic diagnosing function: Display flickering when battery under 6V and warning to change battery
Automatic powering off function: After automatic powering off the internal digits maintaining
Temperature compensation function
Temperature influence repaired by software
Automatic compensation within 0 to 50° C
No influence on accuracy.