Omega HH508 User Manual

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OMEGA

HH508/HH509/HH509R

Digital Thermometer

omega.comTM

 

 

OMEGAnetSM On-Line Service

Internet e-mail

 

 

 

 

 

http://www.omega.com

info@omega.com

 

 

 

 

 

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One Omega Drive, Box 4047

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Tel: (514) 856-6928

FAX: (203)359-7700

FAX: (514) 856-6886

e-mail: info@omega.com

e-mail: info@omega.com

 

 

For immediate technical or application assistance:

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One Omega Drive

 

 

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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct but OMEGA Engineering, Inc. accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.

WARNING: These products are not designed for use in, and should not be used for, patient connected application.

Omega HH508 User Manual

INTRODUCTION

This instrument is a 3½ digit, compact-sized portable digital thermometer designed to use external K/J/T/E/S type thermocouples as temperature sensor. Temperature indication follows Reference Temperature/Voltage Tables (N.I.S.T. Monograph 175 Revised to ITS-90) for K/J/T/E/S type thermocouples.

SAFETY INFORMATION

It is recommended that you read the safety and operation instructions before using the thermometer.

WARNING

To avoid electrical shock, do not use this instrument when working voltages at the measurement surface over 24V AC or DC.

WARNING

To avoid damage or burns, do not make temperature measurement in microwave ovens.

CAUTION

Repeated sharp flexing can break the thermocouple leads. To prolong lead life, avoid sharp bends in the leads, especially near the connector.

The symbol on the instrument indicates that the operator must refer to an explanation in this manual.

1

SPECIFICATIONS

ENVIRONMENTAL

Ambient Operating Ranges: 0°C to 50°C (32°F to 122°F) <80% R.H. Storage Temperature: -20°C to 60°C (-4°F to 140°F) <70% R.H.

GENERAL

Display: 3½ digit liquid crystal display (LCD) with a maximum reading of 1999. Polarity: Automatic, positive implied, negative polarity indication. Overrange: -OL is displayed.

Zero: Automatic.

Reading Rate: one time per second.

Low battery indication: the " " is displayed when the battery voltage drops below the operating level.

Measurement rate: 1 times/second.

Accuracy: Stated accuracy at 23°C±5°C, <75% relative humidity. Dimensions: 195mm(H) x 92mm(W) x 53mm(D).

Weight: 365g.

Input Connector: Accepts standard miniature thermocouple connectors (flat blades spaced 7.9mm, center to center).

Battery Life: 100 hours typical battery.

Auto power off: The meter key switch inactive for more than 30 minutes, press power key to resume operation.

Temperature Coefficient: 0.1 times the applicable accuracy specification per °C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F).

Input Protection: 24V dc or 24V ac rms maximum input voltage on any combination of input pins.

Maximum Differential Common Mode Voltage (Maximum Voltage between T1 and T2 during measurement): 1volt.

2

ELECTRICAL

Temperature Scale: Celsius or Fahrenheit user-selectable.

Measurement Range:

Thermocouple

Range

K-TYPE(0.1°C)

-200°C to 1372°C, -328°F to 1999°F

J-TYPE(0.1°C)

-210°C to 1200°C, -346°F to 1999°F

T-TYPE(0.1°C)

-200°C to 400°C, -328°F to 752°F

E-TYPE(0.1°C)

-220°C to 1000°C, -364°F to 1832°F

S-TYPE(1°C)

0°C to 1767°C, 32°F to 1999°F

Auto range: 0.1°C/1°C, 0.1°F/1°F.

Accuracy: Accuracy is specified for operating temperatures over the range of 18°C to 28°C (64°F to 82°F), for 1 year, not including thermocouple error.

 

±(0.1% rdg + 1°C) range -60°C to 1372°C

 

±(0.1% rdg + 2°C) range -60°C to -220°C

 

±(0.1% rdg + 2°F) range -76°F to 1999°F

 

±(0.1% rdg + 4°F) range -76°F to -364°F

S-TYPE

±(0.0% rdg + 2°C) on 0°C to 50°C

 

±(0.1% rdg + 1°C) on 50°C to 1767°C

 

±(0.0% rdg + 4°F) on 32°F to 122°F

 

±(0.1% rdg + 2°F) on 122°F to 1999°F

3

OPERATING INSTRUCTIONS

1 Power Switch

The key turns the thermometer on or off. In the MIN MAX record mode can not power off, must leave MIN MAX record mode then power off.

25 °C °F Selecting the Temperature Scale

Readings is displayed in either degrees Celsius(°C) or degrees Fahrenheit(°F). When the thermometer is turned on, it is set to the temperature scale that was in use when the thermometer was last turned off. To change the temperature scale, press the °C or °F key.

3"" Button

Press "" button to toggle on and off of backlight. The backlight will switchoff automatically after 30 seconds.

4HOLD Mode

Pressing the HOLD key to enter the Data Hold mode, the "HOLD" annunciator is displayed. When HOLD mode is selected, the thermometer held the present readings and stops all further measurements.

Pressing the HOLD key again to cancel HOLD mode causing thermometer to resume taking measurements.

In the MIN/MAX recording mode, press HOLD key to stop the recording. Press HOLD key again to resume recording. (Previously recorded reading are not erased).

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