1. About this document
1.1 Version information
Table 1 Document versions (English)
Document code Date Description
M212305EN-B February 2022 This manual.
• Added information on regional safety certifications
(ATEX/IECEx/CML/NEPSI/KCs/FM/MET/UKEX): see
Regional safety certification overview (page 19).
• Updated the oil and fuel type compatibility information
for the HMP378F and HMP378H probe variants: see
HMP378F probe option for measuring oil moisture and
temperature (page 79) and HMP378H probe option for
measuring JET A-1 fuel moisture and temperature
(page 79).
• Updated Specifications (page 132) with information on
the ppm measurement accuracy of HMP378F and
HMP378H.
• Mounting accessories added to Spare parts and
accessories (page 141).
• HMP374 probe for high pressure applications
(page 65) and HMP378 probe for pressurized pipelines
(page 71) installation instructions for fitting body and
ball valve updated.
• Temperature only probe option for HMP371 and HMP373
added: see Temperature only probe option (HMP371 and
HMP373) (page 63).
• Various minor corrections and improvements.
M212305EN-A March 2021 First version of the document.
1.2 Related manuals
Table 2 Related manuals
Document code Description
M212306EN HMT370EX Multilingual Installation and Safety Guide (languages:
English, German, French, Dutch, Spanish, Portuguese, Italian,
Hungarian, Czech, Polish, Finnish, Estonian, Swedish, Norwegian,
Danish)
M212662EN HMT370EX Multilingual Installation and Safety Guide (languages:
English and Japanese)
Chapter 1 – About this document
9