domat THERMASGARD HTF 200, Operating Instructions, Mounting & Installation

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Installation and Commissioning

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Resistance characteristics of passive temperature sensors  (see last page)

In order to avoid damages  ⁄ errors, preferably shielded cables are to be used.  
Laying measuring cables parallel with current-carrying  cables must in any case be avoided. EMC directives shall be  observed! 
These instruments must be installed by authorised specialists only!

ATTENTION,  NOTE !
Testing current influences the thermometer‘s measuring accuracy 
due to intrinsic heating and therefore, should never be greater than  
as specified below:

Standard values for testing current:
Sensor current, maximum ................................................................. I 

max.

Pt1000  (thin-layer)  .................................................................... < 0,6 mA
Pt100     (thin-layer)  .................................................................... < 1,0 mA
Ni1000 (DIN),  Ni1000 TK5000  ............................................. < 0,3 mA
NTC xx  ............................................................................................ < 2 mW
LM235Z ............................................................................. 400  µ A … 5 mA
KTY 81 - 210  .................................................................................... < 2 mA

Limiting deviation according to classes:
Tolerances at 0 °C:

Platinum sensors (Pt100, Pt1000): 
DIN EN 60751, class B ................................................................± 0.3 K
1 ⁄  3 DIN EN 60751, class A ........................................................± 0.1 K

Nickel sensors: 
NI1000 DIN EN 43760, class B .................................................± 0.4 K
NI1000 1 ⁄  2 DIN EN 43760, class B.........................................± 0.2 K
NI1000 TK5000 ...........................................................................± 0.4 K

Devices are to be connected under dead-voltage condition. Devices 
must only be connected to safety extra-low voltage. Consequential 
 

damages caused by a fault in this device are excluded from 

warranty or liability. These devices must be installed and commissioned 
by authorised specialists. The technical data and connecting conditions 
shown on the device labels and in the mounting and operating instruc-
tions delivered  together with the device are exclusively valid. Deviations 
from the catalogue representation are not explicitly mentioned and are 
possible in terms of technical progress and continuous improvement 
of our pro ducts. In case of any modifications made by the user, all  
warranty claims are  forfeited. Operating this device close to other  
devices that do not comply with EMC directives may influence functionality. 
Thisdevice must not be used for monitoring applications, which serve the 
purpose of protecting persons against hazards or injury, or as an  
EMERGENCY STOP switch for systems or machinery, or for any other 
similar safety-relevant purposes.

Dimensions of enclosures or enclosure accessories may show slight 
tolerances on the specifications provided in these instructions. 

Modifications of these records are not permitted. 

In case of a complaint, only complete devices returned in original 
packing will be accepted.

Our “General Terms and Conditions for Business“ together with the 
“General Conditions for the Supply of Products and Services of the 
Electrical and Electronics Industry“ (ZVEI conditions) including  
supplementary clause “Extended Retention of Title“ apply as the  
exclusive terms and conditions“.

Notes on installation:

Mounting shall take place while observing all relevant regulations and 
standards applicable for the place of measurement (e.g. such as  
welding instructions, etc.). Particularly the following shall be regarded:
– VDE ⁄ VDI directive technical temperature measurements,  

measurement set - up for temperature measurements.

– The EMC directives must be adhered to.
– It is imperative to avoid parallel laying of current-carrying lines.
– We recommend to use shielded cables with  

the shielding being attached at one side to the DDC ⁄ PLC.

Before mounting, make sure that the existing thermometer‘s technical 
parameters comply with the actual conditions at the place of utilization, 
in particular in respect of:
– Measuring range
– Permissible maximum pressure, flow velocity
– Installation length, tube dimensions
– Oscillations, vibrations, shocks are to be avoided (< 0.5 g)

Attention! In any case, please observe the mechanical and  
thermal load limits of the protective tubes according to DIN 
43763 or according to specific S+S standards!

Notes on commissioning:

This device was calibrated, adjusted and tested under standardised 
conditions. 
When operating under deviating conditions, we recommend performing 
an initial manual adjustment on-site during commissioning and 

subsequently at regular intervals.

Commissioning is mandatory and may only be performed by 
 qualified  personnel!