Michell Instruments SF52 User Manual

SF52 User’s Manual
20 97224 Issue 5, June 2017
APPENDIX D
Appendix D Return Document & Decontamination Declaration
F0121, Issue 2, December 2011
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IMPORTANT NOTE: Please complete this form prior to this instrument, or any components, leaving your
site and being returned to us, or, where applicable, prior to any work being carried out by a Michell
engineer at your site.
Instrument Serial Number
Warranty Repair? YES NO Original PO #
Company Name Contact Name
Address
Telephone # E-mail address
Reason for Return /Description of Fault:
Has this equipment been exposed (internally or externally) to any of the following?
Please circle (YES/NO) as applicable and provide details below
Biohazards YES NO
Biological agents YES NO
Hazardous chemicals YES NO
Radioactive substances YES NO
Other hazards YES NO
Please provide details of any hazardous materials used with this equipment as indicated above (use continuation sheet
if necessary)
Your method of cleaning/decontamination
Has the equipment been cleaned and decontaminated? YES NOT NECESSARY
Michell Instruments will not accept instruments that have been exposed to toxins, radio-activity or bio-hazardous
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Work will not be carried out on any unit that does not have a completed decontamination declaration.
Decontamination Declaration
I declare that the information above is true and complete to the best of my knowledge, and it is safe for Michell
personnel to service or repair the returned instrument.
Name (Print) Position
Signature Date

Michell Instruments SF52 Specifications

General

Power Supply	12 to 28 V DC
Operating Temperature	-40 to +60°C
Protection Rating	IP65
Material	Stainless Steel
Output Signal	4-20 mA
Dew Point Range	-100 to +20 °C
Measurement Range	-100 to +20 °C (-148 to +68 °F) dew point 0 to 100 %RH

Summary

Introduction

SF52 Transmitter Features

Details the key features of the SF52 dew-point transmitter, including measurement range and output options.

Installation Procedures

Instrument Unpacking and Checks

Instructions for checking standard components included in the SF52 transmitter packaging.

Electrical Connections and Schematics

Diagrams showing voltage and mA 3-wire connections for the SF52 transmitter.

Transmitter Mounting Guidelines

Guidance on mounting the SF52 transmitter into sampling blocks or directly into pipes/ducts.

Sample Block Mounting

Procedure for installing the SF52 transmitter into an optional G 1/2" BSP sample block.

Direct Pipeline Mounting

Procedure for directly mounting the SF52 transmitter into a pipe or duct.

Operation and Usage

Sampling Best Practices

Recommendations for obtaining representative gas samples and minimizing measurement errors.

Maintenance and Calibration

Routine Calibration and Re-calibration

Information on routine re-calibration services and recommended intervals for the SF52.

Bonded Seal Replacement Procedure

Details on obtaining replacement bonded seals for the SF52 G1/2-BSP.

Technical Specifications (Appendix A)

Performance Metrics

Details on measurement range, accuracy, repeatability, and stability of the SF52.

Electrical and Mechanical Details

Information on output signal, supply voltage, housing, dimensions, and process connections.

Dimensional Drawings

Diagrams showing the physical dimensions of the SF52 transmitter and sample blocks.

Quality, Recycling, and Warranty (Appendix B)

Compliance Directives and Information

Overview of directives Michell Instruments complies with, including ATEX, RoHS2, and WEEE2.

Humidity Measurement Practices (Appendix C)

Relative Humidity Definition

Explains relative humidity and its common abbreviation RH.

General Measurement Recommendations

Practical advice for accurate humidity measurements and instrument care.

Sampling Environment and Material Guidelines

Guidelines for sampling environments, materials, and avoiding contamination.

Measurement Range Specific Advice

Specific advice for dew point and relative humidity measurements across different ranges.

Return and Decontamination (Appendix D)

Decontamination Certificate Process

Form for declaring the decontamination status of equipment before return or service.

EU Declaration of Conformity

Product Compliance Statement

Declaration stating SF52 compliance with EU directives and relevant standards.