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GE HumiLab - User Manual

GE HumiLab
80 pages
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Humi
Lab
Relativ
e Humidity Generator
Oper
ator’s Manual
500 Research Drive
Wilmington MA 01887-4498
Tel: 800-33HUMID (800-334-8643)
Fax: 978-203-1919 www.generaleastern.com

Table of Contents

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GE HumiLab Specifications

General IconGeneral
BrandGE
ModelHumiLab
CategoryPortable Generator
LanguageEnglish

Summary

Chapter 1 - Installation and Initial Setup

Introduction

Provides an overview of installing and setting up the Humilab system.

Pre-Installation

Details site requirements and initial preparations before installing the instrument.

Components shipped with the Humilab

Lists all items included in the Humilab package for initial setup.

System diagram

Illustrates the interconnection of the Humilab's components for system setup.

Place the Humilab at its operating site

Guides on selecting and preparing the optimal location for the Humilab unit.

Connect a dry gas source (optional)

Explains the procedure for connecting an optional dry gas supply to the unit.

Electrical connections

Details how to make electrical connections to the Humilab unit for operation.

Rear input;output fitting connections

Describes the mechanical connections made to the rear panel of the Humilab.

Initial setup and water fill

Outlines the steps for initial system setup and filling the water chamber.

Chilled mirror setup

Details the procedure for setting up the chilled mirror sensor for accurate measurements.

Initialize the dew point sensor

Explains how to initialize the dew point sensor after shipment for optimal performance.

Clean and balance the dew point sensor

Describes the process to clean and rebalance the dew point sensor for accurate operation.

Shipping the Humilab

Provides instructions for safely packing and shipping the Humilab unit.

Chapter 2 - Operation

Introduction

Introduces the basic operation of the Humilab and typical switch settings.

Front panel displays and switches

Explains the function of the front panel displays and selector switches for operation.

Performing routine calibrations

Details the steps for performing routine calibration of devices using the Humilab.

Chamber response time

Describes the typical time it takes for the chamber to stabilize at the set RH point.

Chapter 3 - Using the PROSTEP software

Introduction

Introduces the Prostep software for setting up calibration test profiles.

Computer requirements

Lists the necessary computer system characteristics for running Prostep software.

Installing the Prostep software

Guides on how to install the Prostep software from the CD-ROM.

Running Prostep

Explains how to start and operate the Prostep software for profile creation.

Computer communication port settings

Specifies the required serial port settings for Prostep communication.

Connecting the host computer

Details how to connect the host computer to the Humilab for control and datalogging.

PROSTEP communication settings

Verifies Prostep communication settings for connecting to the Humilab.

The profile screen

Describes the main screen of Prostep for creating and modifying humidity profiles.

The File menu

Accesses standard Windows functions for managing Prostep profiles.

Chapter 4 - Theory of Operation

Overview

Provides a general description of the Humilab's operation and control system.

Divided flow

Explains the divided flow method used by the Humilab for RH generation.

The Humilab chilled mirror controller

Describes the function and importance of the built-in chilled mirror controller.

What is optical condensation hygrometry?

Explains the principle of optical condensation hygrometry used in the system.

General description of the chilled mirror hygrometer system

Provides a general overview of the chilled mirror hygrometer system within the Humilab.

Chilled mirror hygrometer system theory of operation

Details the operational theory of the chilled mirror hygrometer system.

Chapter 5 - Maintenance and Troubleshooting

Introduction

Introduces the maintenance and troubleshooting procedures for the Humilab.

Basic maintenance

Outlines routine checks and maintenance tasks for the system.

Reference measurement maintenance

Describes procedures to maintain the accuracy of reference measurements.

Mirror maintenance

Covers essential maintenance procedures for the chilled mirror sensor.

Cleaning the sensor mirror

Details the steps for cleaning the sensor mirror to ensure accurate readings.

Balancing the sensor optics

Explains how to balance the sensor optics for optimal performance.

Field replacement of the sensor mirror

Provides instructions for replacing the sensor mirror in the field.

Annual recertification

Discusses the process and requirements for annual recertification of the unit.

Troubleshooting the Humilab, system diagnostics

Offers diagnostic steps to identify and resolve system issues.

Appendix A - Specifications

% RH range

Specifies the operational range for relative humidity measurements.

Temperature range

Details the operational temperature range for the Humilab.

Accuracy

Lists the accuracy specifications for RH and dew point measurements.

Materials

Lists the materials used in the construction of the Humilab.

Water capacity

States the water capacity of the Humilab's reservoir.

Weight

Provides the dry weight of the Humilab unit.

Appendix B - Humilab chilled mirror hygrometer details

Introduction

Introduces detailed information about the Humilab's chilled mirror system.

Chapter organization

Outlines the structure and content of Appendix B.

System components

Lists the main components of the Humilab chilled mirror hygrometer system.

Front panel operation and displays

Explains the operation and displays on the Humilab's front panel.

Displays

Describes the main and control status displays on the front panel.

Switches

Details the function and operation of the front panel switches.

Option selections using the display switch

Guides on how to use the display switch for system configuration.

A simplified explanation of the option selection system

Offers a straightforward guide to navigating system option selections.

A more rigorous explanation of the option selection system

Provides a detailed explanation of the system's option selection procedures.

RS-232 c re-programming mode

Details how to re-program the system using the RS-232 interface.

The Main Menu

Accesses various configuration options for the Electronics Module.

Scale outputs

Describes how to assign and scale the analog outputs of the system.

Set balance type

Allows adjustment of the balance cycle type and interval.

Set RS-232 units

Customizes the RS-232 data output format and parameters.

Display option

Changes the behavior of the front panel display switch for units and scaling.

Set averaging

Configures the data averaging parameter for dew point readings.

Service and troubleshooting procedures

Covers procedures for both operator-level and technician-level service.

Troubleshooting the chilled mirror hygrometer system

Provides specific troubleshooting steps for the chilled mirror system.

Appendix C - Configuring the RS-232 Interface

Introduction

Introduces information needed to establish RS-232 connections.

Establishing RS-232 communications

Guides on using Windows Terminal to establish RS-232 communication.

Using RS-232 C communications

Explains RS-232C communication modes: Operate and Reprogramming.

Computer connections

Details the necessary computer hardware and cables for RS-232 connection.

Appendix D - Humidity Equations and Conversion Charts

Introduction

Provides equations and charts for vapor pressure, humidity, and temperature relationships.

Symbols used

Lists and defines the symbols used in humidity calculations.

Vapor pressure

Presents the formula for saturation vapor pressure with respect to water.

Humidity

Defines Relative Humidity and Absolute Humidity with their respective formulas.

WATER VAPOR CONVERSIONS

Refers to a graphical chart for converting water vapor data.

PSYCHROMETRIC CHART

Refers to a psychrometric chart for humidity and temperature analysis.

Appendix E - Warranty information and return procedures

Warranty policy

Outlines the terms and conditions of the manufacturer's warranty.

Damaged shipments

Describes the buyer's responsibility for filing claims for shipping damage.

Repaired equipment

Specifies the warranty coverage for repaired equipment.

Instrument return procedure

Details the steps for returning the instrument for service or repair.

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