Omega Engineering HH64 User's Manual
Contents
1. ME HH64 OMEGA Your Source for ff Water Resistant Process Measurement and Control TEMPERATURE fF Handheld Thermometer Er Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies LY Wire Thermocouple RTD amp Thermistor Calibrators amp Ice Point References 4 Recorders Controllers amp Process Monitors LY infrared Pyrometers PRESSURE STRAIN FORCE CY Transducers amp Strain Gauges DY Load Cells amp Pressure Gauges LY Displacement Transducers LY instrumentation amp Accessories FLOW LEVEL LY Rotameters Gas Mass Flowmeters amp Flow Computers LY Air Velocity Indicators DY Turbine Paddlewheel Systems GY Totalizers amp Batch Controllers pH CONDUCTIVITY OY pH Electrodes Testers amp Accessories EY Benchtop Laboratory Meters LY Controllers Calibrators Simulators amp Pumps DY Industrial pH amp Conductivity Equipment DATA ACQUISITION DY Data Acquisition and Engineering Software DY Communications Based Acquisition Systems OY Plug in Cards for Apple IBM amp Compatibles OY Datalogging Systems LY Recorders Printers amp Plotters HEATERS GY Heating Cable LY Cartridge amp Strip Heaters LY immersion amp Band Heaters LY Flexible Heaters LY Laboratory Heaters LE OMEGA An OMEGA Technolegics Company M1219 0193 x Operator s Manual WARRANTY OMEGA warrants this unit to be free of defects in materiais and workmanship and to give sat2. Reading Switch creasing temperature The display indicates the meter is in the MIN mode Pressing this but ton again releases this function Figure 3 1 Model HH64 NOTE The display HOLD function can be used after the MAX or MIN reading function has been selected However if the display HOLD function has been selected before the MAX or MIN reading function then these two functions will be inoperative The last measured temperature will be held constant on the display ITEM CONTROL INDICATOR FUNCTION 7 Sealed Sub This water tight female miniature input jack accepts ther Female Ther mocouples of type K N mocouple T or J with a male Connector OMEGA SMP sub miniature connector 8 Open Input INPUT appearing Over Range on the display indicates the thermocouple input to the meter is an open Circuit This may be due to no thermocouple connected to the meter a poor connection bet ween the thermocouple and meter or a broken thermocouple con nected to the meter 9 Low Battery BAT will appear on the Indicator display if the battery voltage is low Replace the battery as soon as possible after this sym bol appears 10 Temperature Displays the selected Scale temperature scale Celcius Fahrenheit or Kelvin represented by A for Absolute 11 Thermocouple Displays the selected Symbols thermocouple type K N T or J 12 Calibration For factory calibration Connection 5 SECTION 4 AS
3. carrier will not honor any claims unless ali shipping material is saved for their examina tion After examining and removing contents save packing material and carton in the event reshipment is necessary Please note that the following items should be in the box QUANTITY DESCRIPTION 1 9 Volt Battery P N MN1604 1 TAS Transition Adaptor P N TAS K 2 1 Beaded Wire Type K Thermocouple Probe P N SC TT K 30 36 1 Operator s Manual T C type K N T J SECTION 3 CONTROLS AND INDICATORS ITEM KEYPAD CONTROL SYMBOL INDICATOR FUNCTION ON OFF Switch Turns the meter on or off Temperature Changes the tempera Scale Selection ture scale to either C F Switch C F or A Kelvin The A selected scale is shown on the display A is the Absolute Scale known as Kelvin Thermocouple Changes the ther Selection mocouple calibration of Switch K N T the meter to either K N or J T or J The selected thermocouple type is shown on the display Display HOLD Freezes the display with Switch the current measured value The display in dicates the meter is in the HOLD mode Press ing this button again releases this function OO MAX The displayed value Temperature changes only with Reading Switch increasing temperature The display indicates the meter is in the MAX mode Pressing this button again releases this function MIN The displayed value Temperature changes only with de
4. probe is connected T C type K N T J NOTE While the meter is water resistant most ther mocouple connectors are not If a conductive solution forms a bridge between the two leads of the thermocouple the temperature measurement could be false If conductive solutions are involved silicone rubber should be applied to seal the connector as well as the joints surrounding the connector and the ther mocouple wire A water resistant T C assembly is recommended when used in the presence of an electrically conductive liquid Glass braided thermocouple wire insulation is not water resistant and should not be used in applications where conductive solutions are involved Press the ON OFF Switch to turn on the HH64 meter Keeping this button depressed will show all the display symbols The HH64 meter performs a self test for up to 4 seconds when turned on The meter is then ready for use and is configured as it was when last turned off If the thermocouple connected to the meter does not match the thermocouple symbol on the display press the Thermocouple Selection Switch MTL until the thermocouple type K N T or J matches NOTE If the probe and meter thermocouple types differ errors in measurement will result Press the Temperature Scale Selection Switch SCL until the display matches the desired scale F C or A Kelvin The meter is now ready for use Other functions may be utilized but the setti
5. types and choose to display temperature in F C or A Kelvin on a large 0 5 12 5 mm LCD Li quid Crystal Display Autoranging and error indicators are standard features along with a MIN MAX Temperature function and display HOLD The nameplate on the back of the meter briefly explains the operating modes and includes some performance specifications Its microprocessor design ensures high accuracy and stability while its water resistant casing provides pro tection against splashes and moisture FEATURES e Accepts thermocouple types K N T J e Displays temperature in F C or A Kelvin e Accuracy of better than 0 1 of reading 0 2 C Displays minimum or maximum temperature reading Freezes current temperature reading with display HOLD 0 1 resolution to 999 9 C autoranges to 1 above 999 9 C Water resistant Over range indication Open circuit indicator Low battery indicator Retains programmed thermocouple type and degree scaling when meter is switched off SECTION 2 UNPACKING Remove the packing list and verify that all equipment has been received If there are any questions about the ship ment please call OMEGA Customer Service Depart ment at 1 800 622 2378 or 203 359 1660 Upon receipt of shipment inspect the container and equipment for any signs of damage Take particular note of any evidence of rough handling in transit Immediately report any damage to the shipping agent NOTE The
6. SEMBLY 41 4 2 PROBE METER ASSEMBLY Plug the Thermocouple Probe into the Sealed Sub miniature Female Thermocouple Connector on top of the HH64 meter observing the correct polarity Refer to item 7 in Figure 3 1 for the location of the Ther mocouple Connector BATTERY INSTALLATION REPLACEMENT 1 Unscrew the two screws at the bottom of the HH64 meter and carefully remove the bottorn section which covers the battery compartment NOTE Make sure that the rubber gasket used to seal the battery cover to the main case remains in place when reassembling 2 If replacing an existing battery a Slide the battery out of its holder b Disconnect the battery from the battery clip 3 Connect a 9 volt battery to the battery clip observing the correct polarity 4 Slide the battery into its holder 5 Replace the bottom section of the meter and tighten the screws SECTION 5 OPERATING INSTRUCTIONS 5 1 5 2 SAFETY PRECAUTIONS WARNING Do not subject the thermocouple probe to a voltage greater than 30 Volts RMS 42 2 V peak above earth ground ELECTRICAL SHOCK MAY RESULT OPERATING PROCEDURE 1 The HH64 is compatable with virtually any type K N T or J thermocouple with a subminiature ther mocouple connection OMEGA P N SMP M Connect a thermocouple probe as described in Sec tion 4 1 The probe must be a thermocouple of type K N T or J The functions of the meter will remain inoperative until a
7. The remedies of buyer set forth herein are exclusive and the total liability of OMEGA with respect to thie order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the upon which lability is based in no event shall OMEGA be Kable for consequential incidental or special damages Every precaution for accuracy has been taken in the preparation of this manual however OMEGA ENGINEERING INC neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the products in accordance with the information contained in the manual RETURN REQUESTS INQUIRIES Direct all warranty and repair requesta inquiries to the OMEGA ENGINEERING Customer Service Department Call toll free in the USA and Canada 1 800 622 2378 FAX 203 359 7811 international 203 359 1660 FAX 203 359 7807 BEFORE RETURNING ANY PRODUCT S TO OMEGA YOU MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OUR CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence Please have the following information available BEFORE contacting OMEGA 1 P O number under which the product was PURCHASED 2 Modei and serial number of the product and 3 Repair instructions and or specific problems you are having w
8. ended Operating 4 to 122 F 20 to 50 C Storage 4 to 158 F 20 to 70 C INPUT IMPEDANCE 10MQ 10 RESPONSE TIME 1 second to full accuracy Meter only SPECIFICATIONS CONT D DISPLAY BATTERY TYPE BATTERY LIFE DIMENSIONS WEIGHT CONSTRUCTION 0 5 12 5mm 4 digit LCD with low battery and open circuit thermocouple indicators 9V Included Greater than 40 hours Alkaline 5 5 Lx 2 75 Wx 1 D 140 x 70 x 25mm 9 9 oz 281 g Water resistant humidity sealed single impression ABS plastic main body molding with front cover to hold rubber keypad ABS input top cover and cover plate retaining a rubber seal single im pression ABS battery cover retaining a rubber seal NOTES 10
9. isfactory service for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that our customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation Our Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge However this WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear or which are damaged by misuse are not warranted These include contact points fuses and triacs We ere glad to offer suggestions on the use of our various producte Nevertheless OMEGA only warrants that the parts manufactured by it will be ae specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY
10. ith the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible That way our customers get the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1993 OMEGA ENGINEERING INC All rights reserved including illustrations Nothing in this manual may be reproduced in any manner either wholly or in part for any purpose whatsoever without written permission from OMEGA ENGINEERING INC Printed in U S A TABLE OF CONTENTS WATER RESISTANT HANDHELD THERMOMETER SECTION PAGE SECTION 1 INTRODUCTION 1 11 General Description 2 0000 eae 1 1 2 FOStUres i 3 xcs Geta Pcie we eG wee ASS 1 SECTION 2 UNPACKING 648 2 SECTION 3 CONTROLS amp INDICATORS 3 SECTION 4 ASSEMBLY 6 41 Probe Meter Assembly 0 00005 6 4 2 Battery Installation Replacernent 6 SECTION 5 OPERATING INSTRUCTIONS 6 5 1 Safety Precautions 0 02 6 5 2 Operating Procedure 6 2 00 0 e ee eee 6 SECTION 6 CALIBRATION 8 SECTION 7 ACCESSORIES 8 SECTION 8 SPECIFICATIONS 8 SECTION 1 INTRODUCTION 11 1 2 GENERAL DESCRIPTION The OMEGA Model HH64 is a versatile water resistant microprocessor based handheld thermometer From the front panel the user can choose between four different thermocouple
11. ng of the thermocouple type K N T or J cannot be changed when the display HOLD MAX or MIN functions are in use Press the ON OFF Switch to turn off the HH64 meter when not in use Refer to Section 3 for an explana tion of the functions SECTION 6 CALIBRATION The microprocessor of the HH64 stores calibration con stants in a non volatile RAM It therefore has no external adjustment such as zero and span potentiometers SECTION 7 ACCESSORIES PART NUMBER HH64 RC MN1604 DESCRIPTION Protective rubber holster for industrial environments 9 Volt Battery See Sections A amp D of the OMEGA Temperature Measurement Handbook amp Encyclopedia for a com plete selection of thermocouple probes and assemblies SECTION 8 SPECIFICATIONS THERMOCOUPLE TYPES K N T J MEASURING RANGE Type K thermocouple 328 to 2282 F 200 to 1250 C Type N thermocouple 328 to 2372 F 200 to 1300 C Type T thermocouple 328 to 662 F 200 to 250 C Type J thermocouple 32 to 1382 F 0 to 750 C OPERATING MODES Display HOLD MAX MIN Temperature functions TEMPERATURE UNITS OF C A Kelvin RESOLUTION 0 1 below 1000 C 1 above 1000 C autoranging ACCURACY AT Better than 0 1 of reading 0 2 C 73 4 F 23 C TEMPERATURE 0 01 0 05 C C COEFFICIENT COLD JUNCTION Better than 0 075 C C STABILITY AMBIENT TEMPERATURE RANGE Operating 32 to 122 F 0 to 50 C Ext
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