Omega HH508 Manual - Free PDF Download

Page 1 - Product Identification and Support Information

Identification details for the OMEGA Digital Thermometer series, including model numbers and support resources.

Page 2 - Contact Information and Certification Status

Technical and application assistance contact details, certification status, and product usage warnings.

Page 3 - Portable Thermometer Safety Guidelines

Safety instructions for using the portable digital thermometer with external thermocouples, adherence to temperature standards, and precautions against voltage and physical stress on leads.

Page 4 - Device Technical Specifications

Environmental operating conditions, display features, measurement accuracy, physical dimensions, weight, input connector type, battery life, and protection limits.

Page 5 - Electrical Measurement Specifications

Selectable temperature scales (Celsius or Fahrenheit), measurement ranges for various thermocouple types (K, J, T, E, S), and accuracy specifications across temperature ranges.

Page 6 - Basic Thermometer Operation

Instructions for operating the power switch, selecting temperature scales, toggling the backlight, and utilizing HOLD mode for pausing or recording measurements.

Page 7 - MIN MAX Record Mode Functionality

Procedure for entering and using MIN/MAX record mode to track maximum, minimum, difference, and average readings, including alert behaviors and erasure methods.

Page 8 - Stop-Watch and Relative Mode Functions

Details on the TIMER STOP-WATCH Mode and REL Relative mode functions, including START/STOP operations and setting/exiting relative mode values.

Page 9 - Relative Value Configuration

Steps for configuring relative values and high/low limits using the SET mode, input handling (including negative values), and memory limits.

Page 10 - High/Low Limit Mode Feedback

Instructions for entering the Hi/Lo LIMITS mode and the visual and auditory feedback provided for high and low temperature thresholds.

Page 11 - Operator Maintenance and Battery Replacement

Procedure for operator maintenance, specifically replacing the 9-volt battery, including disconnection warnings for thermocouple connectors.

Page 12 - RS-232 Communication via Quick BASIC

Instructions for sending commands and receiving data over an RS-232 interface (COM1), including program examples for output, random access, and hexadecimal to decimal conversion.

Page 13 - Basic Programming Code Snippet

A BASIC programming code snippet demonstrating logic for processing string input, handling negative signs, converting hexadecimal to decimal, and displaying results.

Page 14 - RS-232 Command Parameters

Communication parameters for RS-232 transmission, including baud rate (1200), parity (EVEN), data bits (7), stop bits (1), and control letters for activating/stopping data transmission.

Page 15 - Output Data Format Structure

Detailed breakdown of the 32-byte output data structure, defining fields for T1/T2 status, timer, meter status, thermocouple type, and polarity interpretation.

Page 16 - Display Format and Status Indicators

Explanation of how display segments represent time, record modes (MAX, MIN, AVG), REL & HOLD states, LIMITS modes, and battery status, along with time calculation formulas.

Page 17 - Computer Interface and Programming Commands

Instructions for connecting the thermometer to a computer via RS232C cable and keyboard commands for programming, scale adjustment, record mode selection, and power conservation.

Page 18 - Calibration Procedure

Step-by-step process for calibrating specific HH501 and HH508 series meters, involving jumper settings, inputting voltage/temperature values, and verification steps.

Page 19 - Warranty and Return Policies

Details regarding the warranty period, exclusions for damage or unauthorized modifications, and procedures for warranty returns and non-warranty repairs.

Page 20 - Product Directory Index

Directory listing Omega’s process measurement and control product categories, including Temperature, Pressure/Strain, Flow/Level, pH/Conductivity, and Environmental Monitoring.