KROHNE OPTITEMP TT 12 R Quick Start

Quick Start
OPTITEMP TT 12 R
Programmable 2-wire transmitter
For Pt100 and Pt1000 input
Installation, assembly, start-up and maintenance may only be performed by appropriately trained personnel.
Check the nameplate for operating conditions.
Instruments must not be connected to power supply before reading instructions described in the manual.
The responsibility as to the suitability, intended use of this device rests solely with the operator.
For complete documentation (manuals, supplementary manuals, data sheets and certificates) please refer to
www.krohne.com/Downloads.
1 Installation
•
The TT 12 R is designed to be mounted on a 35 mm DIN Rail according to EN 60715 / DIN 50022.
•
Connect input, output and power supply according to "Electrical connection".
•
The transmitter is configured from a mobile device via
OPTICHECK Temperature Mobile. The app is avaiable for free download on App Store and
Google Play™.
Ambient temperature
T
min.
Transmitter
[°C]
TT 12 R -40
Factory settings
Input Pt100 3W, 0 to 100 °C (equivalent to 212°F)
Output 4 to 20 mA
Filtering level Response time 0.9 s
Sensor error indication Upscale
.
05/2020 – 4008215802 – QS OPTITEMP TT 12 R R01 en
NFC® communication, by using the app
T
max.
[ °F] [°C] [ °F]
-40 +85 +185
For initial set up, we strongly recommend that you also refer to the relevant manual!
Springcage connection
The cable is connected using a spring-cage connection.
In order to minimize measuring errors ensure that
the cable is securely fastened.
1. Insert a screwdriver into the opening above the
connection terminal block.
2. Insert the wire into the corresponding
connection terminal block.
Mounting and removal of the transmitter
1. Fix the upper part of the transmitter onto the rail.
2. Press the lower part of the transmitter against the rail.
3. To remove the transmitter, use a screwdriver and bend the locking under the transmitter
downwards.
1