
Thermotronik TT-77
9 Appendices
9.1 Technical Data TT-77
Material / Version
M12x1
LEDs
SW 27
NBR seal
G 1/2
14
L
Immersion depth
= min. 50
Housing swivels by min.
270°
14
91
53
40
Version
MS
VA
Operating pressure
max. 5 bar
max. 10 bar
Operating temperature
-40°C to +100°C -40°C to +100°C
Lengths
280, 370, 500 mm (standard) vari-
able from 70 to max. 1000 mm
Probe material
(immersion tube)
Brass
1.4571
Connection (flange)
G 1/2
G 1/2
Weight at L=280 mm
Each 100 mm add
approx. 390 g
approx. 15 g
approx. 390 g
approx. 15 g
Degree of protection
IP65
IP65
Analysis display electronics
Display
4 character 7 segment LED
Operation
Via 3 keys
Memory
Min. / Max. Data memory
Starting current input
approx. 100 mA for 100 ms
Current input during
operation
approx. 50 mA (without current-
and switching outputs)
Supply voltage (U
B
)
10 – 30 V DC (nominal voltage
24 V DC) / with IO-Link
18 – 30 V DC
Ambient temperature
-20 °C to +70°C
Display units
Temperature (°C / °F)
Display range
-20 °C to +120 °C
Alarm setting range
0 °C to 100 °C
Display accuracy
± 1 % from end value
Measured variables
Temperature
Principle of measurement
Pt 100 Class B, DIN EN 60751
Optional temperature switching outputs: Choose from the following switching outputs
-1D1S
-2T
-4T
Plug (base)
M12 – 4-pin
M12 – 4-pin
M12 – 8-pin
Switching outputs
IO-Link and 1x freely
programmable
2x freely programmable
4x freely programmable
Alarm memory
with 1 x assignable to alarm
logbook
with 1 x assignable to alarm
logbook
max. switching current*
0.5 A per output continuous short-circuit protected (*Output 1 max. 0.2 A.)
Contact load
max. 1 A total
28
Bühler Technologies GmbH
BE140013 ◦ 07/2019
Summary of Contents for Thermotronik TT-77
Page 39: ......