Ace instruments manufactures differential pressure indicator transmitters with high accuracy. These differential pressure-indicating transmitters are available with technical specifications like 4-20 ma, 2-wire output; powered by 24v dc and have rs 485 or 4-20 ma output corresponding to input pressure. The company provides these differential pressure indicator transmitters in various ranges 10.0 to +10.0 mmwc, -25.0 to +25.0 mm wc, -50.0 to +50.0 mm wc, 100.0 to + 100.0 mm wc, etc. The differential pressure indicator transmitters ranges are also available in pascal scale. The differential pressure indicator transmitters are rugged instruments in ip 66 abs plastic enclosures with stainless steel pressure ports; backlit dot matrix lcd display with measurement unit indication. These differential pressure indicator transmitters are useful for hvac, clean room monitoring, medical and pneumatic controls, etc.