Overview of different types of Pressure Gauges.
I] Bourdon Type Pressure Gauge : 
- Dial Size : 40 mm to 250 mm
- Mounting :Bottom / Back & Others
- Range : 0 … 1600 Bar / (Single Scale/Dual Scale)/Vacuum/Compound
- Connection : 1/8” or 1/4″ or 1/2″ (BSP/NPT) & Others as per request
- Accuracy : ±1% ; ±1.6% ; ±2.5% [Based on Dial Size]
II] Capsule Type Pressure Gauge :
- Dial Size : 63 mm to 150 mm
- Mounting :Bottom / Back & Others
- Range : (-) 6000………0…….6000 mmWC
- Connection : 1/4″ or 1/2″ (BSP/NPT) & Others as per request
- Accuracy : ±1.6%
III] Diaphragm Type Pressure Gauge :
- Dial Size : 100 mm to 150 mm
- Mounting :Bottom
- Range : HP : -1 to 0 kg/cm & 0 to 10 kg/cm2
- LP : -6000 mmWC to 0 & 0 to 6000 mmWC
- Connection : 1/2” BSP/NPT & Flanged
- Accuracy : ±1.6%
IV] Differential Pressure Gauge : 
- Dial Size : 63mm, 100 mm & 150 mm
- Mounting : Bottom / Back & Others
- Range : 0 to 6000 mmWC & 0 to 10 Bar
- Connection : 1/4” NPT, 1/2” BSP/NPT
- Accuracy : ±1% ; ±1.6% ; 2.5% [Based on Operating Principle]
V] Electrical Contact Type Gauge :
- Dial Size : 100 mm & 150 mm
- Mounting : Bottom / Back & Others
- Range : 0 to 1600 Bar & (-)1/15 Bar
- Connection : 1/4” NPT, 1/2” BSP/NPT
- Accuracy : ±1%
VI] Master Gauge 
- Dial Size : 150 mm, 200 mm, 250 mm
- Mounting : Bottom / Back & Others
- Range : (-) 1 to 0 & 0 to 1000 Bar
- Connection : 1/4” NPT, 1/2” BSP/NPT
- Accuracy : ±0.25%