Differential pressure transmitter with scalable measuring range and a high level of overpressure protection
The P 26 differential pressure transmitter is designed for pressure monitoring applications in cleanrooms, laboratories, pharmaceutical plants and operating theatres as well as for special uses in machine and plant construction. As well as measuring the differential pressure, the instrument also records positive and negative overpressures as well as flow rates or volumetric flows.
The measuring range is scalable in the range from 10 .. 100 %. Two optional contact points allow the user to connect visual or audible alarms that are triggered any time values rise above or fall below specified limits. The transmitter can be configured easily via an USB interface (optional) with software. This can also be performed using a keyboard and display (optional). The measured values can be displayed in all standard units. A selectable time constant allows the transmitter to be adjusted perfectly to the pressure conditions and thus ensures a stable output signal. The P 26 can be mounted either on a wall or on top-hat rails.
Measurement ranges
10 / 50 / 100 / 250 / 500 Pa
1 / 2.5 / 5 / 10 / 20 / 50 / 100 kPa
freely scalable from 10 .. 100 % within a measurement range
(others available on request)
Margin of error
± 0,2 % or ± 0,5 % of max. value
(0.3 Pa margin of error for the reference)
Output(linear / root-extracted)
0 .. 10 V (RL ≥ 2 kΩ)
0 .. 20 mA (RL≤ 500 Ω)
4 .. 20 mA (RL≤ 500 Ω)
± 5 V (RL ≥ 2 kΩ)
(output signals can be configured freely)
Power supply
24 VAC/DC, ± 10 %
24 VAC, +6 % (with galvanic seperation)
230/115 VAC, -15 %
Interface (optional)
USB, data cable supplied
External zero-point calibration
Display (optional)
multi-coloured LCD and keyboard
