1. Micro pressure gauge, vacuum gauge, compound.
Suitable for Town gas industry, medical apparatuses & equipment etc.
2. For measuring 100 mm water injection to 10 psi positive and negative pressure.
1. Diameter: 2.5", 3", 4". 2. Pressure range: positive pressure = 0 ~ 5000 mmAQ. 3. negative pressure = -200 mmAQ (mmH2) ~ 0. 4. Connection: 1/4" PT, 3/8" PT. 5. Accuracy: +/- 1.5%.