TESTO Ex-Pt 720, Инструкция по эксплуатации

Страница: 38 / 44

38
EC type approval
1st Supplement
to
EC – Type approval test certificate No. TÜV 01 ATEX 1757
The company: ecom instruments GmbH
Industriestrasse 2
D-97959 Assamstadt
In the future, the explosion-protected temperature measuring instrument Type Ex-Pt 720*
may be manufactured in accordance with the documentation listed in the test report. The
changes are concerned with the external design and the use of further sensors.
The permissible ambient temperature is dependent on the type as shown in the following
table:
Type Permissible ambient temperature range
Ex-Pt 720 L 0°C to +50°C
Ex-Pt 720 -10°C to +50°C
The electrical data are valid without change for this supplement.
(16) Test documentation is listed in test report No. 02 YEX 164755.
(17) Special conditions
The temperature measuring unit Type Ex-Pt 720* may not be opened within the explosion-
endangered area. The version with the type designation EX-Pt 720L may only be used
within explosion-endangered areas when it is enclose in the leather case which is supp
lied with it.
In addition, the following applies to the measurement of temperatures within explosion-
endangered areas which need category 1 equipment:
The temperature measuring unit Type Ex-Pt 720* itself may not be taken into areas which
require category 1 equipment. Only the sensors listed in the operating instructions as
being suitable for category 1 may be used.
The carrying strap of the unit is to be attached to a loop on the user’s belt in such a way
that when the unit hangs freely on the strap it always maintains a spacing of > 50 cm from
the boundary of the area which requires category 1. Only the manufacturer’s carrying
strap may be used.
(18) Fundamental safety and health requirements
No additional ones.
1.888.610.7664 info@Testo-Direct.com
www.
Testo-Direct
.com