Labom GA2651, GA265 Operating Instructions Manual

Resistance thermometer

for measuring surface temperature, Type series GA265x

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LABOM Mess- und Regeltechnik GmbH Im Gewerbepark 13 27798 Hude Deutschland

Tel.: [phone] Fax: [phone] e-mail: [e-mail] www.labom.com

BA_054

Rev 1K7

Page 1/3

Operating Instructions

1 General Information....................................................................................................... 2

1.1 General Safety Notes .............................................................................................. 2

1.2 Intended Use ........................................................................................................... 2

1.3 Conformity with EU Regulations .............................................................................. 2

1.4 ATEX Approval ........................................................................................................ 2

2 Transportation and Storage .......................................................................................... 2

3 Installation and Commissioning .................................................................................. 2

3.1 Electrical Connection .............................................................................................. 3

4 Operation ........................................................................................................................ 3

4.1 Maintenance / Service ............................................................................................. 3

5 Disassembly ................................................................................................................... 3

BA_054 Rev 1K7 Resistance thermometer Page 2/3

1 General Information

This document contains necessary information for the proper installation and use of this
device. In addition to this instruction, be sure to observe all statutory requirements, appli­cable standards, the additional technical specifications on the accompanying data sheet
(see www.labom.com) as well as the specifications indicated on the type plate.

1.1 General Safety Notes

The installation, set up, service or disassembly of this device must only be done by
trained, qualified personnel using suitable equipment and authorized to do so.

Ensure that the device is suitable for the process and undamaged.

1.2 Intended Use

The device is intended to measure surface temperatures as specified in the data sheet.

1.3 Conformity with EU Regulations

The CE-marking on the device certifies its compliance with the applicable EU Directives for
placing products on the market within the European Union.

You find the complete EU Declaration of Conformity (document no. KE_011) at
www.labom.com.

1.4 ATEX Approval

Devices of the type GA2651 are certified for use in explosive environments.
If you purchased a device with ATEX approval, please refer to the accompanying docu-

ment XA_001 for ATEX-relevant information.

2 Transportation and Storage

Store and transport the device only under clean and dry conditions preferably in the origi­nal packaging. Avoid exposure to shocks and excessive vibrations.

Permissible storage temperature: -40…100 °C

When supplied with a transmitter the max. permissible storage temperature is reduced to
85 °C.

3 Installation and Commissioning

Before assembling the unit, check that the device is suitable with regard to the media and
ambient temperature.

The device is simple to assemble with a push-on or welded socket. Avoid uneven surfaces
on the container or on the piping for positioning of the device's push-on or welded socket.

BA_054 Rev 1K7 Resistance thermometer Page 3/3

3.1 Electrical Connection

Complete the mechanical installation before you connect the device electrically.
Set up all electrical connections while the voltage supply is switched off.

M12 circular connector cable gland

3-wire circuitry transmitter 3-wire circuitry

ϑ

(+)

(-)

n.c.

n.c.

2 6

ϑ

1

Figure 1: Variants of electrical connection

Route the cable so that it does not apply force or torque to the measuring insert.
For devices with field housing, hold the housing with the other hand when you screw or

unscrew the field housing cap.

4 Operation

During operation, take care that the device remains within its intended pressure and tem­perature ranges. No other monitoring is necessary.

Permissible media temperature: -40…150 °C
Permissible ambient temperature: -40…100 °C

When supplied with a transmitter, the permissible ambient temperature is reduced to 85°C.
Restricted ambient conditions may apply in explosion protected environments (see

XA_001).

4.1 Maintenance / Service

When properly installed in accordance with applicable specifications, this device is
maintenance-free. However, we recommend an annual recalibration of the device.

5 Disassembly

When measuring hot media, make sure that the device has cooled down prior to any dis­mounting or wear appropriate protective clothing to avoid burns.

Switch off the power supply to the device before disconnecting the electrical connections.
Once this is done, the device may be mechanically removed.