Vaisala HMP4 - About this Document; Version Information; Table Document Versions (English)

1. About this document
1.1 Version information
This document provides instructions for installing, using, and maintaining Vaisala HUMICAPâ
Humidity and Temperature Probes HMP1, HMP3, HMP4, HMP5, HMP7, HMP8, HMP9, Moisture in
Oil Probe MMP8, and Temperature Probe TMP1.
Table 1 Document versions (English)
Document code Date Description
M212022EN-F March 2021 Applicable from software version 1.2.0 onward. Added
content for HMP1 probe model and updated technical data
for all models.
Added sections:
• HUMICAP technology (page 17)
• Chemical purge (page 17)
• Condensation prevention functions (page 18)
• Mounting the probe body using probe holder
ASM213582 (page 21)
• Configuring condensation prevention (page 42)
• HMK15 Humidity Calibrator with HMP Series probes
(page 53)
Updated sections:
• Product overview (page 12)
• Probe structure (page 12)
• Output parameters (page 13)
• Installation (page 20)
• HMP7 probe (page 27)
• Indigo200 series transmitters (page 45)
• Indigo500 series transmitters (page 48)
• Vaisala Insight software (page 41)
• Problem situations (page 61)
• Restoring factory default settings (page 63)
• Measurement data registers (page 101)
• Configuration registers (page 104)
• Status registers (page 107)
Chapter 1 – About this document
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