Omega HH506 User manual

OMEGA
HH506
Digital Thermometer

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

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The symbol on the instrument indicates that the operator must refer to an
explanation in this manual.
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.
INTRODUCTION
This instrument is a 4½ digit, compact-sized portable digital thermometer
designed to use external K/J/T/E/R/S/N-type thermocouples as temperature
sensor.TemperatureindicationfollowsReferenceTemperature/VoltageTables
(N.I.S.T. Monograph 175 Revised to ITS-90) for K/J/T/E/R/S/N-type thermo-
couples. Two K-type thermocouple are supplied with the thermometer.
SAFETY INFORMATION
Itisrecommendedthatyoureadthesafetyandoperationinstructionsbefore
using the thermometer.

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SPECIFICATIONS
ELECTRICAL
Temperature Scale: Celsius or Fahrenheit user-selectable
Measurement Range:
Thermocouple Range
K-TYPE -200°C to 1372°C, -328°F to 2501°F
J-TYPE -210°C to 1050°C, -346°F to 1922°F
T-TYPE -200°C to 400°C, -328°F to 752°F
E-TYPE -210°C to 790°C, -346°F to 1454°F
R-TYPE 0°C to 1767°C, 32°F to 3212°F
S-TYPE 0°C to 1767°C, 32°F to 3212°F
N-TYPE -50°C to 1300°C, -58°F to 2372°F
Resolution:
K-TYPE 0.1°C, 0.1°F (0°F to 700°F)
0.2°F on other range
J-TYPE 0.1°C, 0.1°F (0°F to 500°F)
0.2°F on other range
T-TYPE 0.1°C, 0.1°F (0°F to 600°F)
0.2°F on other range
E-TYPE 0.1°C, 0.1°F (0°F to 450°F)
0.2°F on other range
R-TYPE 1°C , 1°F
S-TYPE 1°C , 1°F
N-TYPE 0.1°C , 0.2°F

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Accuracy:Accuracyisspecifiedforoperatingtemperaturesovertherangeof
18°C to 28°C (64°F to 82°F), for 1 year, not including thermocouple error.
K/J/T/E-TYPE ±(0.05% rdg + 0.3°C) -50°C to 1370°C
±(0.05% rdg + 0.7°C) -50°C to -210°C
±(0.05% rdg + 0.6°F) -58°F to 2498°F
±(0.05% rdg + 1.4°F) -58°F to -346°F
N-TYPE ±(0.05% rdg + 0.7°C) -50°C to 0°C
±(0.05% rdg + 0.3°C) 0°C to 1300°C
±(0.05% rdg + 1.4°F) -58°F to 32°F
±(0.05% rdg + 0.6°F) 32°F to 2372°F
R/S-TYPE ±(0.05% rdg + 2°C) 0°C to 1767°C
±(0.05% rdg + 4°F) 32°F to 3212°F
Temperature Coefficient: 0.1 times the applicable accuracy specification
per°Cfrom0°Cto18°Cand28°Cto50°C(32°Fto64°Fand82°Fto122°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 T2 during measurement): 1volt.
Reading Rate: one time per second.
InputConnector:Acceptsstandardminiaturethermocoupleconnectors(flat
blades spaced 7.9mm, center to center).

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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:4½digitliquidcrystaldisplay(LCD)withmaximumreadingof9999.9.
Overload: "----.-" 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.

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OPERATING INSTRUCTIONS
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.
°C/°F Selecting the Temperature Scale
Readings are dual 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/°F key.
HOLD Mode (only Main display)
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.
PressingtheHOLDkeyagaintocancelHOLDmodecausing 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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T1 T2/T1-T2 Main display Input Selection
The input selection indicates which input is selected for main display; T1
thermocouple,T2thermocoupleorthedifferencebetweenthetwothermo-
couples (T1-T2), when the thermometer is turned on, it is set to T1,
When main display input selected T1, then T1 input can select alternate of
thermocouple by pressing TYPE key switch.
K/J/T/E/R/S/N T1 Input Thermocouple Type Select (Main
display)
TheTYPEkeyswitchtheT1inputcirculatingselectstheK/J/T/E/R/S/Ntype
thermocouple as input, when main display input selected T1.
When the thermometer is turned on, it is set to the type selected that was
in use when the thermometer was last turned off.
MIN MAX with Time record Mode (only Main display)
Press MIN MAX key to enter the MIN MAX Recording mode, (displays the
Maximum reading with time, Minimum reading with time and Average
reading stored in record mode). In the this mode the automatic power-off
feature is disabled and key, °C/°F key, REL key, SET key, Hi/Lo Limits
key and main display T1 T2 T1-T2 key, TYPE key are disabled.
The beeper emits a tone when a new minimum or maximum value is
recorded.
Push MIN MAX key to cycle through the MAX, MIN and AVG readings.
If an overload is recorded, the averaging function is stopped and average
value display"----.-".
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The true average of all the reading taken over at least 22 hours preiod can
be displayed. If 22 hours is exceeded, new averages are no longer
calculated.Thelastcalcalatedvalueisretainedastheaveragereading,but
the actual minimum and maximum reading will continue to be captured.
In the this mode, press HOLD key to stop the recording of readings, all
values are frozen, press again to restart recording.
TopreventaccidentallossofMIN,MAXandAVGdata,inthismodecanonly
becancelledbypressingand holddowntheMINMAXkeyfor2secondsto
exit and erased recorded readings.
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.)
WhenthedesiredRelativevaluehasbeenentered,pressRELkeytoenter
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 >±3000.0 counts) shown on the
LCDisalwaysthedifferencebetweenthestoredreferenceandthepresent
reading.
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Hi/Lo LIMITS mode (only Main display)
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 REL key, HOLD key, MAX/MIN key are disabled, when input
temperaturevalueexceedHi.Thebeeperemitsacontinuitypulsetoneand
"Hi" is displayed, and when input temperature value exceed Lo value.The
beeperemitsadiscontinuouspulsetoneand"Lo"isdisplayed.PressHi/Lo
LIMIT key again to exit the Hi/Lo LIMIT mode.
SET mode (Relative value set, Time set and Hi/Lo Limits value
set and Time 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 in
maindisplay.Relativevalueisenteredviaoverlaynumbers,whenyouwant
togetnegativevaluespush(-0)keyforendofnumbers,thenpressoverlay
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 in main display, Hi Limit value is entered via
overlay numbers, when you want to get negative values push (- 0) key for
endofnumbers,then press overlay ENTER key, storedthe HiLimitvalue,
enterLoLimitvaluesetmode(Press ENTERkeycanescapeLoLimitvalue
set mode), = = = =.= is displayed in main display, Lo 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 Lo Limit
value, enter Time set mode.
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