Application

Differential pressure transmitter

Liquids and neutral gases

Mode of operation

Measuring principle

Piezo-resistive measuring cell (ceramic diaphragm)

Input

Measured variable

Differential pressure

Measuring range

0 ... 0.1 to 0 ... 25 bar

(0 ... 1.45 to 0 ... 363 psi)

Operating pressure

25 bar at a differential pressure range > 6 bar

50 bar at a differential pressure range > 10 bar

Burst pressure

1.5 x operating pressure

Output

Output signal

• Current output signal

4 ... 20 mA

• Voltage output signal

0 ... 5 V DC and 0 ... 10 V DC

Load

• 3-wire

> 10 k

• 2-wire

(U_H - 11 V) / 0.02 A

Measuring accuracy

Error in measurement at limit setting incl. hysteresis and reproducibility

1 % of typical full-scale value, see "Measuring range" table

Long-term stability acc. to IEC 60770

0.5 % of full-scale value/year

Influence of ambient temperature

• Start of scale

0.6 % / 10 K of full-scale value

( 1.2 % / 10 K for measuring cell 0 ... 0.1 bar (1.45 psi))

• Full-scale value

0.22 % / 10 K of full-scale value

( 0.37 % / 10 K for measuring cell 0 ... 0.1 bar (1.45 psi))

Dynamic behavior

Suitable for static and dynamic measurements

Step response time T₉₉

< 5 ms

Load variation

< 50 Hz

Ambient conditions

• Temperature of medium

- 15 ...+ 85 °C (5 ... 185 °F)

• Ambient temperature

- 15 ...+ 85 °C (5 ... 185 °F)

• Storage temperature

- 40 ...+ 85 °C (-40 ... +185 °F)

Degree of protection to IEC 60529

IP65

Mounting position

Any

Mounting

Mounting bracket, included in delivery

Design

Weight

Approx. 430 g (approx. 0.95 lb)

Enclosure material

Stainless steel 1.4305/AISI 303

Electrical connection

• Plug EN 175301-803-A
• Circular plug EN 60130-9
• Cable 1.5 m

Process connection

• Hose sleeve O 4 mm/6 mm
• Pipe union
• O 6 mm/8 mm
• Male thread 7/16-20 UNF, G1/8
• Female thread 1/8-27 NPT (Standard), G1/8

Wetted parts materials

• Process connection

Stainless steel 1.4305/AISI 303, CuZn nickel-plated

• Diaphragm

Ceramic Al₂O₃ (96 %)

• Sealing material

FPM (standard), EPDM, NBR, MVQ, CR

Power supply U_H

Terminal voltage on pressure transmitter

• 2-wire, 4 ... 20 mA

11 ... 33 V DC

• 3-wire, 0 ... 5 V DC

11 ... 33 V DC/

24 V AC ±15 %

• 3-wire, 0 ... 10 V DC

18 ... 33 V DC/

24 V AC ±15 %

Current consumption at nominal pressure

• 2-wire

< 20 mA

• 3-wire

< 5 mA

Protection against polarity reversal

Protected against short-circuit and polarity reversal. Each connection against the other with max. supply voltage.

Certificates and approvals

Approval

CE conformity

[bar]

[inH2O]

0 ... 0,1

0 ... 40.18

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(241 inH₂O)

1,0 %

0 ... 0,2

0 ... 80.37

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(241 inH₂O)

0,8 %

0 ... 0,25

0 ... 100.46

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(241 inH₂O)

0,5 %

0 ... 0,3

0 ... 120.56

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(241 inH₂O)

0,5 %

0 ... 0,4

0 ... 160.74

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(482 inH₂O)

0,8 %

0 ... 0,5

0 ... 200.9

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(482 inH₂O)

0,5 %

0 ... 0,6

0 ... 241.0

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(482 inH₂O)

0,5 %

0 ... 1,0

0 ... 402.0

25 bar
(363 psi)

37.5 bar
(544 psi)

2 bar
(804 inH₂O)

0,5 %

0 ... 1,6

0 ... 643.0

25 bar
(363 psi)

37.5 bar
(544 psi)

3.2 bar
(1286 inH₂O)

0,5 %

0 ... 2,5

0 ... 1005

25 bar
(363 psi)

37.5 bar
(544 psi)

5 bar
(2009 inH₂O)

0,5 %

0 ... 4

0 ... 1607

25 bar
(363 psi)

37.5 bar
(544 psi)

8 bar
(3215 inH₂O)

0,5 %

0 ... 6

0 ... 2411

25 bar
(363 psi)

37.5 bar
(544 psi)

12 bar
(4822 inH₂O)

0,5 %

0 ... 10

0 ... 4019

50 bar
(725 psi)

75 bar
(1088 psi)

20 bar
(8037 inH₂O)

0,5 %

0 ... 16

0 ... 6430

50 bar
(725 psi)

75 bar
(1088 psi)

32 bar
(464 psi)

0,5 %

0 ... 25

0 ... 10046

50 bar
(725 psi)

75 bar
(1088 psi)

50 bar
(725 psi)

0,5 %