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EH/EG Series – User Manual
EH/EG SERIES
Hotplate
USER MANUAL – Version 202305HP
www.labtechsrl.com
Page 1 of 28

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Table of Contents
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Summarization of Contents

Introduction to LabTech Hotplates
Compliance Standards
Lists EC Council Directives and standards for compliance.
WEEE and RoHS Compliance
Explains compliance with EU Waste Electrical & Electronic Equipment directive.
Document Conventions and Safety Symbols
Safety Symbol Explanations
Explains warning symbols like Burn Hazard, Electrical Shock, Fire Hazard.
Essential Safety Rules
General Safety Guidelines
General instructions for safe instrument usage and manual adherence.
Electrical Safety Precautions
Details requirements for safe electrical connection and usage.
Fire Safety Measures
Guidelines to prevent fire hazards related to flammable materials.
Chemical Safety Procedures
Recommendations for safe handling of chemicals with the unit.
EH Series: EH20A Plus/EH35A Plus/EH45APLUS Model
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EH Series: EH20B/EH35B/EH45B/EH45C Models
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EH Series: EH20D Model
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EH Series: EH20S/EH35S/EH45S Models
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EH Series: EH20R Model
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EG Series: EG20A Plus/EG35A Plus/EG37A Plus Models
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
EG Series: EG20B/EG35B/EG37B/EG37C Models
Control Panel and Temperature Graph
Illustrates control panel layout and temperature control graph.
Product Specifications
EH Series Specifications Table
Details power, type, temp. range, heating area, and control mode for EH models.
EG Series Specifications Table
Details power, type, temp. range, heating area, and control mode for EG models.
Installation Guide
Site Requirements
Specifies ambient temperature and humidity ranges for installation.
Instrument Positioning
Guidance on optimal placement of the instrument.
Electrical Requirements
Details grounding and power connection requirements for safe operation.
Operation: EH20A/EH35A/EH45A Plus
Controller Components Overview
Identifies and explains the PV window, SV window, and keys on the controller.
Setting Temperature and Transposition
Describes how to set temperature and use the transposition key for quick adjustment.
Operation: EH20B/EH35B/EH45B/EH45C
Control Panel and Parameter Setting
Explains control panel functions and how to set temperature and holding time.
Operation: EH20D
Controller Display and Function Keys
Details the controller display layout and the function of SEL, Up/Down keys.
Operation: EG20A Plus/EG35A Plus/EG37A Plus
Controller Components and Basic Operation
Identifies and explains the PV window, SV window, and keys on the controller.
Operation: EG20B/EG35B/EG37B/EG37C
Control Panel and Parameter Setting
Explains control panel functions and how to set temperature and holding time.
Operation: EH20S/EH35S/EH45S
Control Panel and Method Selection
Details the control panel and how to select and run methods.
Advanced Operation and Features
Setting Program Methods
Step-by-step guide for setting program methods and holding times.
Method Stop and Real-time Display
Procedures for stopping methods and monitoring real-time operation info.
Alarm Conditions and External Sensor
Explains alarm indicators and the use of an optional external sensor.
Troubleshooting Common Issues
Surface Coating Color Changes
Explains reasons for surface coating color changes during operation.
Coating Desquamation
Describes potential issues with coating integrity and scratching.
Temperature Display Jumping
Provides steps to diagnose and resolve temperature display instability.

Table of Contents