Omega CT485B-110V-G-AL User Manual

CT485B-110V-G-AL,
CT485B-220V-G-AL,
CT485B-110V-W-AL,
CT485B-220V-W-AL
High Performance
Microprocessor-Based Temperature
and Humidity Recorder
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3
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°F
°C
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www.omega.com
e-mail: info@omega.com
User’s Guide
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Omega CT485B-110V-G-AL Specifications

General

Input Type	Thermocouple
Thermocouple Types	J, K, T, E, R, S, B, N
Resolution	0.1°C/°F
Interface	USB
Power	110V AC
Enclosure	Aluminum
Display	LCD
Temperature Range	-200 to 1372°C (depending on thermocouple type)

Summary

Introduction to the Temperature and Humidity Recorder

Front and Side Views of the Recorder

Identifies and describes the external components visible from the front and side of the recorder.

Rear View of the Recorder

Details the components and connection points located on the rear panel of the recorder.

Setting Up the Temperature and Humidity Recorder

Benchtop Placement and Stabilization

Instructions for correctly positioning the recorder on a benchtop using its stabilizing arm.

Wall Mounting Instructions

Procedure for securely mounting the recorder onto a wall using provided hardware.

Battery and AC Power Installation

Guide for installing 'D' size batteries and connecting the AC power adapter for operation.

Chart Paper Installation

Steps for selecting and correctly installing different types of chart paper into the recorder.

Pen Installation and Removal

Detailed instructions on how to install and remove the temperature and humidity recording pens.

Temperature and Humidity Sensor Installation

Guidance on connecting the temperature/humidity sensor, including short and remote cable options.

Powering Up and Initializing the Recorder

Turning On the Recorder and Initial Display

Steps to power on the recorder and interpret the initial LCD display readings.

Recording and Comparing Calibration Codes

Procedure for recording sensor calibration codes and comparing them to the sensor label.

Final Display and Pen Positioning

Describes the final display mode and the pen arm movement after initialization.

Alarm System Configuration and Management

Understanding the Alarm System

Overview of the recorder's alarm system, including beeper and relay contacts.

Checking and Viewing Alarm Limits

How to check the currently set high and low alarm limits for temperature and humidity.

Controlling Access to Alarm Settings

Instructions for unlocking and locking the control panel door to access alarm settings.

Setting and Changing Alarm Limits

Step-by-step guide to setting or modifying high and low alarm thresholds for parameters.

Turning Off or Disabling the Alarm Function

Methods for temporarily turning off or permanently disabling the alarm system.

Calibrating the Temperature and Humidity Recorder

Factory Calibration Information

Details on how the recorder is calibrated at the factory to ensure accuracy.

Changing Calibration Codes

Procedure for updating calibration codes to match sensor probes or recalibrate the unit.

Humidity Calibration Procedure

Step-by-step guide for calibrating humidity readings using 33% and 75% RH solutions.

Temperature Calibration Procedure

Instructions for calibrating temperature readings in a stable environment using Fahrenheit scale.

Using the Cal-Lock Kit for Setting Protection

Applying the Cal-Lock Kit Cover

Procedure for using the Cal-Lock kit to permanently protect calibration settings.

Using the Optional Voltage Input Adapter

Voltage Input Adapter Setup and Operation

How to connect and use the optional adapter to record external voltage signals.

Maintaining the Recorder for Optimal Performance

General Recorder Maintenance Guidelines

Essential precautions for keeping the recorder in good condition and avoiding damage.

Light Bulbs, Backlighting, and Push Button

Information on recorder lighting, display backlighting, and the push button operation.

Case Care and Chart Paper Storage

Cleaning the recorder case and proper storage methods for chart paper.

Power Failure Indication and Sensor Maintenance

Understanding chart paper indications for power failures and sensor upkeep.

Troubleshooting Common Recorder Issues

Recorder Not Functioning or Chart Speed Issues

Steps to resolve issues like the recorder not turning on or chart paper moving incorrectly.

Pen and Bulb Operational Problems

Solutions for pens not tracing or bulbs not lighting, including pen freshness and placement.

Technical Details of the Recorder Operation

Sensor and Measurement Technology

Explanation of the temperature and humidity sensors and how measurements are processed.

Pen Arm Drive Mechanism

Description of the motorized pen arm drive system and its advantages.

Chart Paper Drive Mechanism

Details on the stepper motor and switching capabilities for different chart paper types.

Power Supply Supervision and Battery Operation

Information on power management, AC/DC operation, and battery backup behavior.

Recorder Specifications and Performance Data

General, Temperature, and Humidity Specifications

Key performance metrics including measurement ranges, accuracy, and response times.

Display, Electronics, and Chart Paper Details

Information on display types, electronic controls, and compatible chart paper.

Chart Drive, Pens, Alarms, and Operating Conditions

Technical data on chart drive, recording pens, alarm system, and operating environment limits.

Power Requirements and Mechanical Features

Details on power sources, consumption, mechanical construction, and optional adapters.

CE Conformity and Sensor Design

CE Conformity for Sensor Design

Information on sensor design modifications for CE compliance, including ESD and immunity.