SITRANS P pressure transmitters, ZD series

Mode of operation

Measuring principle

Thin-film strain gauge

Input

Measured variable

Gage and absolute pressure

Measured range

Resolution

0 ... 2 bar (0 ... 29 psi)

0.6 mbar (0.008 psi)

0 ... 10 bar (0 ... 145 psi)

3 mbar (0.044 psi)

0 ... 50 bar (0 ... 725 psi)

15 mbar (0.218 psi)

0 ... 200 bar (0 ... 2900 psi)

60 mbar (0.9 psi)

0 ... 400 bar (0 ... 5802 psi)

120 mbar (1.8 psi)

Measured range

Overload limit

0 ... 2 bar (0 ... 29 psi)

5 bar (72.5 psi)

0 ... 10 bar (0 ... 145 psi)

25 bar (363 psi)

0 ... 50 bar (0 ... 725 psi)

120 bar (1740 psi)

0 ... 200 bar (0 ... 2900 psi)

500 bar (7250 psi)

0 ... 400 bar (0 ... 5802 psi)

600 bar (8700 psi)

Range adjustment (turndown)

5:1 (max. 10:1)

Output

Output signal

4 ... 20 mA

Lower current limit

min. 3.6 mA

Upper current limit

max. 23 mA

Output protected against

Reversed polarity, overvoltage and short-circuiting

Max. load

R _B = (U_H - 12 V) / 0.023 A

Voltage measurement

Linear rising

Measuring accuracy

To EN 60770-1

Error in measurement (including non-linearity, hysteresis and repeatability, at 25 °C (77 °F))

< 0.25 % of full-scale value (typical), max. 0.5 %

Adjustment time

< 100 ms

Long-term drift

0.25 % of full scale value/year

Influence of ambient temperature

• Range adjustment 1:5

< ±0.25 %/10 K of full-scale value

• Range adjustment 1:10

±0.5 %/10 K of full-scale value

Vibration influence

0.05 %/g to 500 Hz in all directions (to IEC 68‑2‑64)

Power supply effect

< ±0.01 %/V of full-scale value

Rated conditions

Ambient conditions

• Ambient temperature

-25 ... +85 °C (-13 ... +185 °F)

• Temperature for best readability

-10 ... +70 °C (14 ... 158 °F)

• Storage temperature

-40 ... +85 °C (-40 ... +185 °F)

Medium conditions

• Process temperature

-30 ... +100 °C (-22 ... +212 °F)

Degree of protection

IP65 to EN 60529

Electromagnetic compatibility

• Emitted interference and noise immunity

To EN 61 326/A1 appendix A (1998)

Displays and controls

Display

LCD, max. 5 digits, digit height 9 mm

Decimal point

Freely parameterizable

Limit values

Freely parameterizable

Limit violation display

Red LED and message on LCD
(↑symbol /↓symbol in case of limit violation in upward / downward direction)

Parameterization

With 3 keys

Units

mA or % or physical variable (default setting: bar)

Other dimensions: mbar, kPa, MPa, mmH₂0, mH₂0, psi, inH₂0, mmHg, kg/cm², torr, atm

Damping

Between 0.1 and 100 s

(increment: 0.1 s) freely parameterizable

Design

Weight

≈0.6 kg (≈1.32 lb)

Electrical connection

Using 2-pole plug connector with M16x1.5‑Cable inlet to EN 175301‑803A, plastic

Process connection

• Male thread G½B and female thread G¹/₈B
• G½B to EN 837-1
• Female thread: ½-14 NPT

Version of housing/process connection

• Radial (type A), can be swiveled by max. ±120° (α)

• Axial (type B), can be swiveled by max. ±360°

Material

Non-wetted parts materials

• Field housing

∅ 80 mm (3.15 inch), stainless steel mat. No. 1.4016

• Cover

Stainless steel, mat. No. 1.4016 with glass

Wetted parts materials

• Measuring cell

Al₂O₃

• Gasket

Viton

• Process connection

Stainless steel, mat. No. 1.4571/316Ti

Power supply

Terminal voltage on pressure transmitter (U_H)

12 ... 30 V DC

Certificate and approvals

Classification according to pressure equipment directive 97/23/EC

For gases of fluid group 1 and liquids of fluid 1; complies with requirements of article 3, paragraph 3 (sound engineering practice)