Integrated Transmitter Electronics (Option); Safety Instructions For Installation - WIKA Cryo Gauge 712.15.100 Mode D'emploi

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4. Commissioning, operation

4.5 Integrated transmitter electronics (option)

Non-Ex version: Model 891.44
Ex version: Model 892.44
EN
See chapter 8 "Specifications"
WIKA differential pressure gauges with an integrated model 89x.44 transmitter combine all
the advantages of an on-site mechanical display with the demands modern industry makes
for electrical signal transmission for the acquisition of measured values.
The transmitter electronics are integrated into the case of the level indicator. The measuring
span (electrical output signal) is adjusted automatically with the mechanical display, i.e. the
scale over 270 angular degrees corresponds to 4 ... 20 mA (see differential pressure display).
Supply voltage non-Ex version
Suitable supply voltage
Model KFA6-STR-1.24.500, AC 115/230 V, for DIN rail, order number: 7305636
Supply voltage Ex version
The instrument must only be used in conjunction with a corresponding Ex repeater power
supply.
Suitable Ex repeater power supplies:
Model KFD2-STC4-Ex1, DC 20 ... 35 V, for DIN rail, order number: 2341268
Model IS Barrier, DC 19,2 ... 30 V, for DIN rail, order number: 14117118

Safety instructions for installation

Install instruments in accordance with the manufacturer's instructions and the valid stand-
ards and regulations.
Only connect circuits with the same voltage and type of protection to the connection leads
of the instrument.
Size the connection leads for the largest current strength in the circuits and ensure suffi-
cient UV resistance and mechanical stability.
With flexible connection leads, use isolated end splices. Max. permissible conductor
cross-section 1.5 mm².
Connecting cables must be suited to the ambient temperature range of the application.
The connection leads must also be suitable for the supplied cable gland (for diameter
range, see below).
Seal the cable entry with the appropriate approved cable glands.
Install the connection cables securely.
Differential pressure gauge models 712.15.100, 732.15.100, optional for hazardous areas
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Cryo gauge 732.15.100

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