
Application Conditions
Orientation
Medium temperature range
1)
Operating temperature range
(electronics)
Storage temperature range
Operating pressure p
abs1)
Perpendicular to the surface of the material
–40
…
+80°C (–40
…
+176°F) (built-in temperature sensor)
–20
…
+60°C (–4
…
+140°F)
1)
Please check with Endress+Hauser before using
sensors at higher temperatures and higher pressures.
When sensors are subjected to high temperatures and
pressures (with limiting conditions), it is recommended
that the coupling (process connection) be tightened.
–40
…
+80°C (–40
…
+176°F)
Sensors with process connection G 1
1
/
2
and G 2: 3 bar (43.5 psi)
Sensor DN 100 or 4" with slip-on flange or mounting bracket: 2.5 bar
(36.25 psi)
DIN / IEC 68 T2-30 Db
IP 67 (NEMA 6), with housing cover open IP 20
DIN IEC 68 T2-6 Tab.2.C (10
…
55 Hz)
Emitted interference to EN 61326;
Class B equipment; Immunity to interference to EN 61326;
Annex A (industry sector) and NAMUR EMC Recommendation
FMU 130/131 (2-wire Ex): PTB EEx ia IIC T6 (PTB in Germany only)
FMU 230/231 (2-wire not Ex and 4-wire): without
FMU 232 (4-wire): dust Ex, Zone 10 (BVS in Germany only)
Climatic class
Type of protection (EN 60529)
Vibration resistance
Electromagnetic compatibilty
(EMC)
Explosion protection
Mechanical Design
Construction
Compact unit,
Versions with threaded connection can be installed with 60 AF box
spanner
,
max. torque 15
…
20 Nm (11.1
…
14.8 ft lbs)
See Dimensions page 12
PBT (fibre-glass reinforced, flame-retarded)
PVDF
for FMU 232 UP (unsatured polyester); sensor diaphragm stainless steel
Between threaded boss and sensor, internal: EPDM seal
on threaded boss, external: EPDM seal
FMU 130, FMU 230: G 1
1
/
2
or 1
1
/
2
-11.5 NPT thread
FMU 131, FMU 231: G 2 or NPT 2-11.5 NPT thread
FMU 232: DN 100 or 4" with slip-on flange or mounting bracket
Pg 16, Cable diameter 5
…
9 mm (0.2
…
0.35 in)
Sleeves for connection thread G
/
2
,
1
/
2
NPT or M 20x1.5 supplied
Use standard screened 2-wire cable
Use standard screened 4-wire cable for signal transmission and power
supply
Under certain circumstances, the digital communication signal may be
affected if unscreened cable is used.
Dimensions
Material
Housing:
threaded boss
and sensor:
Seals
Process connection
Cable entry
Cable
2-wire:
4-wire:
Display and Operating Elements
Display (LCD)
4-character display, with segment display for current
Dimension L x B x H: 40 x 20 x 10 mm
(1.6 x 0.8 x 0.4 in)
Red: indicates alarm or warning
Green: Indicates power on (with 4-wire versions only) and entry
acknowledgement
LEDs
Power Supply
AC voltage
Power consumption
Switch-on current
DC voltage
Power consumption
Switch-on current
Current consumption
PROFIBUS-PA devices
Ripple
(Smart-devices)
4-wire: 180
…
250 V
AC
; 90
…
127 V
AC
< 4 VA
100 mA, pulse width half life time 70 ms
4-wire: 18
…
36 V
DC
; 2-wire: 12
…
36 V
DC
< 2,5 W (4 wire instruments)
7 A, pulse width half life time 2 ms
FMU 130, 131, 230, 231: 12 mA
±
1 mA
FMU 232: 16 mA
±
1 mA
INTENSOR max. ripple (measured at 500
) 0 Hz
…
100 Hz: U
SS
=30 mV
HARTmax. ripple (measured at 500
) 47 Hz
…
125 Hz: U
SS
=200 mV
max. noise (measured at 500
) 500 Hz
…
10 kHz: U
eff.
=2.2 mV
The evaluation electronics is electrically isolated from the power supply
terminals with all 4-wire versions.
Electrical isolation
Supplementary Documentation
Prosonic T System Information SI 021F/00/en
Prosonic T Compact transmitter for limit detection Technical Information TI 247F/00/en
Planning notes PROFIBUS-PA Technical Information TI 260F/00/en
9