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User Manual
Connect only clean equipment to the instrument. To avoid any
•
contamination, an external Dirt Moisture Trap (See Section
1.11.7) is recommended.
Always wear appropriate eye protection when working with
•
pressure.
1.7
OVERVOLTAGE CATEGORY
The following summary of installation and measurement overvoltage
categories are derived from IEC61010-1. The overvoltage categories
indicate the severity of overvoltage transients.
Overvoltage
Category
CAT I
CAT II
1.8
PREPARING THE INSTRUMENT
On receipt of the instrument check the contents in the box, listed in
accessories See Section 1.11. It is recommended to retain the box and
packaging for future use.
1.8.1
Initial Checks
Before you use the instrument for the first time:
Page 11 of 79
Description
Overvoltage category I has the least severe overvoltage
transients. Generally CAT I equipment is not designed to
be directly connected to the mains supply. Examples of
CAT I equipment are process loop powered devices.
Overvoltage category II describes an electrical
installation where typically single phase equipment is
connected. Examples of such equipment are appliances
and portable tools.
Make sure that there is no damage to the instrument,
•
and that there are no missing items; See Section 1.11.
Table 1-1
[EN] English – K0571 Issue 1
Druck DPI611
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