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 (363 psi) at a differential pressure range < 6 bar (87 psi)

≤ 50 bar (725 psi) at a differential pressure range > 10 bar (145 psi)

Burst pressure

1.5 x operating pressure

Output

Output signal

• Current output signal

4 ... 20 mA

• Voltage output signal

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

Load

3-wire

> 10 kΩ

2-wire

≤ (U_H - 11 V) / 0.02 A

Measuring accuracy

Dynamic behavior (at 25°C (77°F), including conformity error, hysteresis and repeatability)

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

Long-term drift acc. to IEC 60770

≤ 0.5 % of full-scale value/year

Influence of ambient temperature

• Start of scale

≤ 0.6 %/10K of full-scale value

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

• Full-scale value

≤ 0.22 %/10K of full-scale value

(≤ 0,37 % / 10K for measuring cell 0 ... 0.1 bar (1.45 psi))

Dynamic behavior

Suitable for static and dynamic measurements

Response time T₉₉

< 5 ms

Load variation

< 50 Hz

Ambient conditions

• Temperature of medium

-15 ...+ 85 °C (5 ... 185 ℉)

• Ambient temperature

-15 ...+ 85 °C (5 ... 185 ℉)

• Storage temperature

-40 ...+ 85 °C (-40 ... +185 °F)

Degree of protection acc. to EN 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 Ø 4 mm/6 mm
• Pipe union Ø 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 UH

Terminal voltage on pressure transmitter

• 2-wire, 4 ... 20 mA

11 ... 33 V DC

• 3-wire, 0 ... 5 V

11 ... 33 V/

24 V AC ±15 %

• 3-wire, 0 ... 10 V

18 ... 33 V/

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]

[psi]

0 ... 0.1

0 ... 1.45

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(8.7 psi)

≤ 1.0 %

0 ... 0,2

0 ... 2.9

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(8.7 psi)

≤ 0.8 %

0 ... 0,25

0 ... 3.63

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(8.7 psi)

≤ 0.5 %

0 ... 0,3

0 ... 4.35

25 bar
(363 psi)

37.5 bar
(544 psi)

0.6 bar
(8.7 psi)

≤ 0.5 %

0 ... 0.4

0 ... 5.8

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(17.4 psi)

≤ 0.8 %

0 ... 0.5

0 ... 7.25

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(17.4 psi)

≤ 0.5 %

0 ... 0,6

0 ... 8.7

25 bar
(363 psi)

37.5 bar
(544 psi)

1.2 bar
(17.4 psi)

≤ 0.5 %

0 ... 1

0 ... 14.5

25 bar
(363 psi)

37.5 bar
(544 psi)

2 bar
(29psi)

≤ 0.5 %

0 ... 1.6

0 ... 23.2

25 bar
(363 psi)

37.5 bar
(544 psi)

3.2 bar
(46.4 psi)

≤ 0.5 %

0 ... 2.5

0 ... 36.3

25 bar
(363 psi)

37.5 bar
(544 psi)

5 bar
(72.5 psi)

≤ 0.5 %

0 ... 4

0 ... 58

25 bar
(363 psi)

37.5 bar
(544 psi)

8 bar
(116 psi)

≤ 0.5 %

0 ... 6

0 ... 87

25 bar
(363 psi)

37.5 bar
(544 psi)

12 bar
(174 psi)

≤ 0.5 %

0 ... 10

0 ... 145

50 bar
(725 psi)

75 bar
(1088 psi)

20 bar
(290 psi)

≤ 0.5 %

0 ... 16

0 ... 232

50 bar
(725 psi)

75 bar
(1088 psi)

32 bar
(464 psi)

≤ 0.5 %

0 ... 25

0 ... 363

50 bar
(725 psi)

75 bar
(1088 psi)

50 bar
(725 psi)

≤ 0.5 %