Sitrans p measuring instruments for pressure, Z series for gage and absolute pressure 2/7 – Siemens SITRANS P User Manual
Page 7
SITRANS P measuring instruments for pressure
Transmitters for gage, absolute and differential pressure
Z series for gage and absolute pressure
2/7
Siemens FI 01 · 2009
2
■
Technical specifications
■
Dimensional drawings
Pressure transmitter 7MF1564-... with process connection G½" male,
dimensions in mm (inch)
Pressure transmitter 7MF1564-... with process connection G¼" male,
dimensions in mm (inch)
SITRANS P pressure transmitters, Z series for gage pressure, abso-
lute pressure and level
Mode of operation
• Measuring range <1 bar
(<14.5 psi)
Piezo-resistive
• Measuring range
≥1 bar
(
≥14.5 psi)
Thin-film strain gage
Input
Measured variable
Gage and absolute pressure
Measured range
• Pressure
- Metric
0 ... 400 bar g (0 ... 5802 psi g)
- US measuring range
0 ... 6000 psi g
• Absolute pressure
- Metric
0 ... 16 bar a (0 ... 232 psi a)
- US measuring range
0 ... 300 psi a
Output
Output signal
• Current output signal
4 ... 20 mA
• Voltage output signal (only mea-
suring range
≥ 1 bar (14.5 psi))
0 ... 10 V DC
Accuracy To
EN
60770-1
Error in measurement (at 25 °C
(77 °F), including conformity error,
hysteresis and repeatability)
0.25% of full-scale value – typical
Response time T
99
< 0.1 s
Long-term drift
• Start of scale
0.25% of full scale value/year
• Full-scale value
0.25% of full scale value/year
Influence of ambient temperature
• Start of scale
0.25%/10 K (0.25%/10 K) of full-
scale value
• Full-scale value
0.25%/10 K (0.25%/10 K) of full-
scale value
Rated operating conditions
Process temperature
-30 ... +120 °C
(-22 … +248 °F)
Ambient temperature
-25 ... +85 °C (-13 … +185 °F)
Storage temperature
-50 ... +100 °C
(-58 … +212 °F)
Degree of protection to EN 60529
IP65
Design
Weight
≈ 0.25 kg (≈ 0.55 lb)
Wetted parts materials
• Measuring cell
- Measuring range <1 bar
(<14.5 psi)
Stainless steel, 1.4571/316Ti
- Measuring range
≥1 bar
(
≥14.5 psi)
Al
2
O
3
– 96%
• Process connection
Stainless steel, mat. No.
1.4571/316Ti
• Gasket
Viton
Process connection
See Selection and Ordering data
Power supply U
H
Terminal voltage on pressure trans-
mitter
• For current output
10 ... 36 V DC
• For voltage output signal (only
measuring range
≥ 1 bar
(14.5 psi))
15 ... 36 V DC
Certificate and approvals
Classification according to pressure
equipment directive
(DRGL 97/23/EC)
For gases of fluid group 1 and liq-
uids of fluid 1; complies with
requirements of article 3, para-
graph 3 (sound engineering prac-
tice)
Explosion protection
• Intrinsic safety "i" (only with current
output)
TÜV 02 ATEX 1953X
- Identification
Ex II 1/2G EEx ia IIC T4
• Intrinsic safety "T.I.I.S." (only with
current output)
applied
Lloyds Register of Shipping
Certificate No. 03/30003
27
132 (5.2) without Ex protection
1)
141 (5.6) with Ex protection
(diam. 1.1)
M16x1,5
or
½-14 NPT
1) Length on version for voltage
output 0 ... 10 V: 106 (4.2)
2) Inner diameter 3 (0.12)
Ø
50
G
½
B
2)
20
(1.97)
SW27
(0.8)
5
(0.2)
122 (4.8) without Ex protection
1)
131 (5.15) with Ex protection
(diam. 1.1)
M16x1,5
or
½-14 NPT
1) Length on version for voltage
output 0 ... 10 V: 96 (3.8)
2) Inner diameter 3 (0.12)
Ø
27
50
G¼B
2)
16
(1.97)
SW27
(0.63)
© Siemens AG 2008