Pressure and differential pressure measuring transducer PREMASGARD 7112-I

Power consumption

< 2 VA/ 24 V DC, < 3.5 VA/ 24 V AC

Voltage supply

15...36 V DC

depending on working resistance, residual ripple stabilised ± 0.3 V

Working resistance

Ra (ohm) = (Ub -14 V)/ 0.02 A for I variant

Connection type

2- or 3-wire connection

Measuring ranges

multi-range switching with 8 switchable measuring ranges

Media temperature

–20...+50 °C

Pressure connection

4/ 6 x 11 mm (hoses Ø = 4/ 6 mm),

metal pressure connection nozzles

Type of pressure

differential pressure

Zero point offset

< ± 0.7 % of final value

± 1.4 % of final value for pressure ranges < 250 Pa

Above- below-pressure

máx. ± 100 hPa

Medium

clean air and

non-aggressive, non-combustible gases

Signal filtering

switchable 1 s/ 10 s

Electrical connection

2- or 3-wire connection

0.14 - 1.5 mm², via plug-in screw terminal

Housing dimensions

126 x 90 x 50 mm (Tyr 2)

Cable gland

M 16 x 1.5; including strain relief

Output

4...20 mA

Dimensions

126 x 90 x 50 mm (Tyr 2)

Output signal

0 - 10 V

Sum of Linearity+hysteresis

< ± 1 % of final value

± 2 % of final value for pressure ranges < ± 250 Pa

Temperature drift values

± 0.1 % / °C

± 0.3 % / °C for pressure ranges < 250 Pa

Air humidity

< 95 % r. H., non-precipitating air

Protection class

III (according to EN 60 730)

Protection type

IP 65 (according to EN 60 529)*

Accuracy

(25 Pa): typically ± 1 Pa

compared to the calibrated reference device

Measuring range pressure

0 ... +25 Pa / -25 ... +25 Pa

Cable connection

Cable fitting, plastic

(M 16 x 1.5; with strain relief, exchangeable,

max. inner diameter 10.4 mm)