Rotronic HP21 Uživatelský manuál stáhnout pdf (Strana 13)

E-M-HP21-V1_21

Rotronic AG

Bassersdorf, Switzerland

Document code

Unit

HygroPalm HP21 hand-held indicator:

User Guide

Instruction Manual

Document Type

Page

13 of 14

Document title

Conformity with standards

HP21

CE / EMC immunity

EMC Directive 2004/108/EG: EN 61000-6-1: 2001, EN 61000-6-2: 2005

EN 61000-6-3: 2005, EN 61000-6-4: 2001 + A11

Solder type

Lead free (RoHS directive)

FDA / GAMP directives

compatible

Environmental limits

HP21

Storage and transit

-20…+70 °C / 0…100 %RH, non condensing

Operating limits at electronics

-10….60 °C (limited by LC display)

0…100 %RH, non condensing

Temperature limits at probe

Same as electronics

Maximum humidity at probe

Same as electronics

Maximum air velocity at probe

20 m/s (3,935 ft /min)

Critical environments

Humidity sensor: as per DV04-14.0803.02 - Critical chemicals

7.2 Dew point accuracy

The HP21 can be configured to calculate either the dew point or frost point based on the measurement of

relative humidity and temperature. The accuracy of this conversion varies, depending on the humidity and

temperature conditions as shown in the graph below:

Example: at a temperature of 20 ˚C, a dew point value of -37 ˚C is measured with an accuracy of

± 1.0 ˚C or better.

1 2 ... 8 9 10 11 12 13 14

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Rotronic HP21 Uživatelský manuál Strana 13