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5.0

MAINTENANCE

Warning

The DM640X contains no user serviceable parts apart from the battery.

The DM640X must not be configured in the hazardous area.

No attempt should be made to repair the DM640X, all units must be returned
to the manufacturer for repair or replacement. Attempted repair or service
may invalidate the explosive protection feature of this equipment.

If re-calibration is required please contact your supplier for further
information. Under certain circumstances, it may be possible to re-calibrate
the device while it is still out in an application.

6.0 ATEX CERTIFICATE

The DM640X have been issued with a EC- type examination certificate, confirming

compliance with the European ATEX directive 94/9/EC for :-

Classification

II 1 G D EEx ia IIC T4

The unit bears the Community Mark and subject to local codes of practice, may be
installed in any of the European Economic Area (EEA) Members countries. The
equipment must be installed and maintained in accordance with local requirements for
electrical equipment for use in potentially explosive atmospheres, eg EN60079-14 &
EN60079-17. This instruction sheet describes installation, which confirms with
BSEN60079-14 & BS EN60079-17. When designing systems outside the UK, the local
code of practice should be consulted.

When installed correctly the DM640X series may be used in the following
areas :-

ZONE

HAZARDOUS AREA CHARACTERISTIC

worst case

GAS

DUST

0

20

Hazard Continuously present

1

21

Hazard likely to occur in normal use

2

22

Hazard not likely to occur and if it does, only for a short time.

Be used in gas groups :-

Group A

propane

Group B

ethylene

Group C

hydrogen

Allowable temperature class

T4

135°C

Tamb -20 to 50°C

6.1

ATEX Mark

The DM640X/P and DM640X/TC product labels carry the following information:-

Front Panel Label

Manufacturer

Status instruments Ltd

Type

DM640X/P DM640X/TC

Explosive protection mark

CE mark

Approval

II 1 G D EEx ia IIC T4

Certification reference

TRL06ATEX11100X

Internal Label

Serial Number

(includes date code)

Type

DM640X/TC or DM640X/P

Manufacturer information

www.statinst.com

Environmental protection: The equipment must be housed in the SCH4
series of enclosure offering protection to IP67. The enclosure must be
suitable for the atmosphere and environment in which it is installed.

6.2 SPECIALCONDITIONS FOR SAFE USE

ELECTROSTATIC HAZARD. DO NOT CHARGE BY RUBBING OR CLEANING
WITH SOLVENTS.

DO NOT CHANGE BATTERY IN THE HAZARDOUS AREA.

DM640XTC – ONLY SUITABLE FOR CONNECTION TO TYPE K,T,J,R,S,N,E,F
THERMOCOUPLES, THEY SHALL CONFORM TO THE REQUIREMENTS FOR
SIMPLE APPARATUS AS DEFINED IN CLAUSE 5.4 OF EN 50020:2002 AND
THE INPUT PARAMETERS MARKED ON THIS UNIT.

DM640XP – ONLY SUITABLE FOR CONNECTION TO RESISTANCE
TEMPERATURE SENSORS TYPES PT100 , NI120. THEY SHALL CONFORM
TO THE REQUIREMENTS FOR SIMPLE APPARATUS AS DEFINED IN
CLAUSE 5.4 OF EN 50020:2002 AND THE INPUT PARAMETERS MARKED ON
THIS UNIT.

USE ONLY TEKCELL SB-AA11 BATTERY, PART NO 28-302-0036-00.

THE UNIT SHALL BE CLEANED REGULARLY TO PREVENT THE BUILD UP
OF EXCESSIVE DUST LAYERS.

6.3 ENCLOSURE MATERIALS

SCH4 enclosure material – ABS.
SCH4 cap – Polycarbonate.
O ring seals – NBR – Acrylonitrile / Butadiene Rubber (Black).

Fig. 1 Front Panel label

Fig 2 Rear view

0

89

1

D

M

6

4

0

X

/T

C

!

w

w

w

.s

ta

tu

s.

co

.u

k

S

/N

o

00

0

0

0

0

-

0

1

0

1

-

+

1

1

2

4

3

+

-

6

BATTERY COVER REMO VED

BAT TERY COVER FITTE D

Содержание DM640X Series

Страница 1: ...nected using cable and gland All external cabling sensor entries must maintain IP67 rating 4 3 Wiring The DM640X series is provided with a two part connector block this allows for the cap assembly to be un plugged from the sensor for maintenance while in the hazardous area Refer to the internal product label Fig2 for the correct sensor connection details On the DM640X TC version to maintain correc...

Страница 2: ...Be used in gas groups Group A propane Group B ethylene Group C hydrogen Allowable temperature class T4 135 C Tamb 20 to 50 C 6 1 ATEX Mark The DM640X P and DM640X TC product labels carry the following information Front Panel Label Manufacturer Status instruments Ltd Type DM640X P DM640X TC Explosive protection mark CE mark Approval II 1 G D EEx ia IIC T4 Certification reference TRL06ATEX11100X Int...

Страница 3: ...he number entered here Cycle around menu PASS 88 88 If non zero the user will be prompted for this number in order to enter the menu from run time If no buttons are pressed for a minute or more the device assumes run time mode The LCD shows the temperature if the input is in range or shows or to indicate over under range In order to access menu configuration mode the user must pressENTer followed ...

Страница 4: ...he user will be prompted for this number in order to enter the menu from run time If no buttons are pressed for a minute or more the device assumes run time mode The LCD shows the temperature if the input is in range or shows or to indicate over under range In order to access menu configuration mode the user must press ENTer followed immediately by CYCle In order to exit the menu and return to run...

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