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REL Relative mode (only Main display)

Pressing REL key to enter the Relative mode, zero the display, and store
the displayed Reading as a reference value and annunciator REL is
displayed. Press REL key again to exit the relative mode.
The relative value can also be entered by the user. (See "SET mode" later
in this manual.)
When the desired Relative value has been entered, press REL key to enter
the Relative mode, press SET key use set Relative value as a reference
value. Press REL key again to exit the relative mode.
In the Relative mode, the value (can not >±2000.0 counts) shown on the
LCD is always the difference between the stored reference and the present
reading.

SET mode (Relative value set and Hi/Lo Limits value set)

1. Press SET key to enter Relative valuse SET mode (Press ENTER key
can escape relative valuse set mode), REL set mode. _ = = =.= is displayed
(the ".=" is displayed when you set up the fourth number).Relative value is
entered via overlay numbers, when you want to get negative values push
(- 0) key for end of numbers, then press overlay ENTER key, stored the
relative value, enter Hi/Lo Limits value set mode.

2. Hi Limit value set mode, (Press ENTER key can escape Hi Limit value
set mode), _ = = =.= is displayed (the ".=" is displayed when you set up the
fourth number), Hi Limit value is entered via overlay numbers, when you
want to get negative values push (- 0) key for end of numbers, then press
overlay ENTER key, stored the  Hi Limit value, enter Lo Limit value set mode

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Summary of Contents for HH501BT

Page 1: ...OMEGA HH501BT Digital Thermometer ...

Page 2: ...ll Free in Germany 0800 82 66342 e mail nl omega com e mail germany omega com Czech Republic United Kingdom ISO 9002 Certified ul Rude armady 1868 733 01 Karvina One Omega Drive Hranice Czech Repubic Riverbend Technology Centre Northbank Irlam Tel 420 69 6311627 FAX 420 69 6311114 Manchester M44 5EX England e mail czech omega com Tel 44 161 777 6611 FAX 44 161 777 6622 France 9 rue Denis Papin 781...

Page 3: ...epeated sharp flexing can break the thermocouple leads To prolong lead life avoid sharp bends in the leads especially near the connector INTRODUCTION This instrument is a 3 digit compact sized portable digital thermometer designed to use external T type thermocouples as temperature sensor Temperature indication follows Reference Temperature Voltage Tables N I S T Monograph 175 Revised to ITS 90 fo...

Page 4: ... C on 60 C to 400 C 2 0 C on 60 C to 200 C 0 1 rdg 2 0 F on 76 F to 752 F 4 0 F on 76 F to 328 F TemperatureCoefficient 0 1timestheapplicableaccuracyspecificationper 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 be tween T1 and T...

Page 5: ... R H GENERAL Display 3 digit liquid crystal display LCD with maximum reading of 1999 Overload OL is display Battery Standard 9V battery Battery Life 100 hours typical Auto power off The meter key switch inactive for more than 30 minutes press power key to resume operation Dimensions 192mm H x 91mm W x 52 5mm D Weight 365g ...

Page 6: ...he temperature scale press the C or F key Button Press button to toggle on and off of backlight The backlight will switch off automatically after 30 seconds HOLD Mode Pressing the HOLD key to enter the Data Hold mode the HOLD annun ciator 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 m...

Page 7: ...aging function is stopped and average value display OL In the this mode press HOLD key to stop the recording of readings all values are frozen press again to restart recording To prevent accidental loss of MIN MAX MAX MIN and AVG data in this mode can only be cancelled by pressing and hold down the MIN MAX key for 2 seconds to exit and erased recorded readings T1 T2 T1 T2 The input selection indic...

Page 8: ...stored reference and the present reading SET mode Relative value set and Hi Lo Limits value set 1 Press SET key to enter Relative valuse SET mode Press ENTER key can escape relative valuse set mode REL set mode _ is displayed the is displayed when you set up the fourth number Relative value is entered via overlay numbers when you want to get negative values push 0 key for end of numbers then press...

Page 9: ...lue can not 2000 0 counts all value will be memorized until yor reset it Hi Lo LIMITS mode Press Hi Lo LIMITS key to enter the Hi Lo Limits comparative mode LIMIT is displayed In the this mode the automatic power off feature is disabled and other funtion key are disabled when input temperature value exceed Hi The beeper emits a continuity pulse tone and Hi is displayed and when input temperature v...

Page 10: ...the thermometer before removing the cover Battery Replacement Power is supplied by a 9 volt transistor battery The appears on the LCD display when replacement is needed To replace the battery remove the two screws from the back of the meter and lift off the battery cover Remove the battery from battery contacts ...

Page 11: ...ity or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on...

Page 12: ...ne Paddlewheel Systems þ Totalizers Batch Controllers pH CONDUCTIVITY þ pH Electrodes Testers Accessories þ Benchtop Laboratory Meters þ Controllers Calibrators Simulators Pumps þ Industrial pH Conductivity Equipment DATA ACQUISITION þ Data Acquisition Engineering Software þ Communications Based Acquisition Systems þ Plug in Cards for Apple IBM Compatibles þ Datalogging Systems þ Recorders Printer...

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