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Vaisala HUMICAP HM70 User Manual

Vaisala HUMICAP HM70
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USER'S GUIDE
Vaisala HUMICAP® Hand-Held
Humidity and Temperature Mete
r
HM70
M210297EN-E

Table of Contents

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Vaisala HUMICAP HM70 Specifications

General IconGeneral
Humidity Measurement Range0 to 100 %RH
Resolution0.1 %RH, 0.1 °C
DisplayLCD
Protection ClassIP54
Measurement ParametersHumidity, Temperature
Humidity Accuracy±1 %RH (0 ... 90 %RH) ±1.7 %RH (90 ... 100 %RH)
Temperature Accuracy±0.2 °C
Response Time15 s (90 % at +20 °C, still air)
Storage Temperature Range-40 to +70 °C
InterfaceUSB

Summary

General Information

About This Manual

Provides information for operating and maintaining the Vaisala HUMICAP Hand-Held Humidity and Temperature Meter HM70.

Version Information

Details manual codes and their corresponding revision dates and descriptions.

General Safety Considerations

Highlights important safety considerations throughout the manual, including warnings and cautions.

Recycling Information

Instructions for recycling applicable materials and disposing of batteries and the unit according to regulations.

Warranty Information

Warranty Conditions and Exclusions

Details the terms, conditions, and specific exclusions for Vaisala product warranties.

Product Description

Vaisala HM70 Hand-Held Meter

Overview of the HM70 meter, its components (MI70 indicator and probes), and HUMICAP technology.

Display Parameters

Lists and explains the various humidity and temperature related quantities that can be displayed.

Preparations Before Use

Installing and Recharging Batteries

Instructions for inserting batteries and recharging the rechargeable battery pack for the indicator.

Turning ON the Device

Step-by-step guide to connecting the probe and powering on the HM70 indicator.

Taking Measurements

Measurement Safety Precautions

Safety warning regarding disconnecting the probe while the indicator is off.

Beware of Temperature Differences

Explains how temperature differences affect humidity measurements and potential consequences.

Buttons, Displays, and Menus

Buttons and Navigation

Describes the buttons on the M170 indicator and how to navigate menus.

Basic Display

Details the main screen layout, displayed quantities, and status indicators.

Graphical Display

Explains how to view measurement data trends in a graphical format.

Menus Overview

Guide to accessing and navigating through the various menus and submenus.

Device Settings

Pressure Setting

Instructions for setting the pressure value for measurements in pressurized environments.

Display Settings

Configuration options for display parameters, including quantities, units, and rounding.

Hold/Save Display Function

Enables freezing and saving current display readings into the indicator's memory.

Graphic History Display

Shows the data curve of the last hour, with options for viewing longer graphs.

User Interface Settings

Covers user interface customization like language selection, power off, and key functions.

Automatic Power OFF

Configuration options for the automatic power-off function to conserve battery.

Changing Shortcut Keys

Procedure for reassigning shortcut keys to different device functions.

Button Click and Backlight Settings

Adjustments for button click sound effects and backlight behavior.

Setting Date and Time

Instructions for setting the correct date and time for accurate data logging.

Device Information

Displays technical details and serial numbers for the indicator and connected probes.

Reverting to Factory Settings

Procedure to reset all settings to their original factory defaults.

Recording and Data Management

Recording Measurement Data

Steps for starting, setting intervals, and duration for data recording.

Stopping and Viewing Recorded Data

Instructions on how to stop data recording and access saved measurement files.

Checking Memory Status

How to view the available memory space and its current usage.

Deleting All Recorded Files

Procedure for clearing all stored data from the indicator's memory.

MI70 Link Program for Data Transfer

Using the MI70 Link program to transfer recorded data to a PC for analysis.

MI70 Link Program for Real-Time Monitoring

Using the MI70 Link program to monitor HM70 readings in real-time on a PC.

Other Device Functions

Setting Alarm Levels

Configuring audible and visual alarms for measured quantities.

Chemical Purge (Optional)

Optional feature to clean the humidity sensor by heating it to remove chemical interference.

Turning Chemical Purge ON

Procedure to activate the chemical purge function on compatible probes.

Sensor Preheat (Optional)

Optional feature to heat the sensor to prevent condensation and improve response time.

Turning Sensor Preheat ON/OFF

Procedure to activate or deactivate the sensor preheat function.

Transmitter Calibration and Adjustment

HM70 for Checking and Adjusting Transmitters

Overview of using HM70 to calibrate various Vaisala transmitters.

Calibration Cables

List of necessary connection cables for calibrating different Vaisala transmitter series.

Calibrating HMD/W and HMP130 Series

Procedure for calibrating HMD/W 60/70, HMD/W 20/30, and HMP130 series transmitters.

Calibrating HMT100 Series Transmitters

Guide for checking and adjusting HMT100 series relative humidity transmitters.

Calibrating HMP230/240 and HMM210 Modules

Procedure for calibrating HMP230/240 transmitters and HMM210 modules.

Calibrating HMT320 Series Transmitters

Steps for checking and adjusting humidity and temperature channels of HMT320 series transmitters.

Measuring Other Parameters Simultaneously

Analog Output Connection

Selecting and Scaling Analog Output

Instructions for configuring the analog output signal channel for selected quantities.

HM70 Series Probe Calibration

General Information about Calibrations

Overview of probe calibration, factory calibration, and recommended recalibration intervals.

Relative Humidity Adjustment

Procedures for adjusting relative humidity measurements, including automatic methods.

LiCI-NaCl Automatic Adjustment

Two-point adjustment using LiCl and NaCl references for automatic RH calibration.

2-Point Humidity Adjustment

Procedure for performing a two-point humidity calibration using a calibrator.

1-Point Humidity Adjustment

Procedure for performing a one-point humidity calibration using a calibrator.

Temperature Adjustment

Procedure for adjusting temperature measurements in one or two points.

Last Adjustment Date

How to view the date of the last calibration or adjustment performed on the probe.

Maintenance

Changing the Filter

Instructions for replacing the probe filter to maintain measurement accuracy.

Changing the Battery Pack

Steps for replacing the rechargeable battery pack in the MI70 indicator.

Error Messages

List of common error messages and troubleshooting steps for the HM70.

Support and Service

Technical Support Contact

Contact information for Vaisala technical support for questions and assistance.

Return Instructions for Repair

Procedure for returning the product for repair, including necessary information and packing.

Vaisala Service Centers

List of Vaisala Service Centers worldwide for calibration, repair, and support.

Technical Specifications

Probe Specifications (HMP75, HMP76, HMP77)

Detailed specifications for the HMP75, HMP76, and HMP77 humidity and temperature probes.

Humidity Measurement Specifications

Details on RH range, accuracies, dewpoint, and absolute humidity measurement specifications.

Temperature Measurement Specifications

Details on temperature measurement ranges, accuracies, and response times.

Calculated Variables Specifications

Specifications for calculated variables, including typical ranges and accuracies.

MI70 Indicator General Specifications

Technical details for the MI70 indicator including operating range, display, power, and interfaces.

Accessories Listing

List of available accessories, connection cables, carrying cases, and probe accessories.

Physical Dimensions

Diagrams showing the physical dimensions of the MI70 indicator and HMP75, HMP76, HMP77 probes.

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