Download Print this page

Operator Maintenance - Omega HH804 Instruction Sheet

Dual input rtd digital thermometer

Advertisement

To prevent accidental loss of MIN, MAX and AVG data, this
mode can only be cancelled by pressing and holding the
"MIN/MAX" key for 2 seconds. All recorded readings are
erased.
7. REL Relative mode (only Main display)
Press the "REL" key to enter the relative mode, zero the
display, and store the displayed Reading as a reference value.
REL is shown on the display. Press "REL" key again to exit
the relative mode. The relative reference 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 and than press "SET"
key use the entered relative value as a reference value. Press
"REL" key again to exit the relative mode. In the relative
mode, the value (can not >±1999.9 counts) shown on the
LCD is always the difference between the stored reference
and the present reading.
8. HOLD mode (only Main display)
Press 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. Press 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 read are not
erased).
9. SET mode (Relative value set, Time set and
Hi/Lo Limits value set)
9.1 Press the "SET" key to enter relative values SET mode
(Press "ENTER" key to skip setting relative value). = =
= =.= is displayed on the main display. The relative value
is entered via overlay numbers, press overlay "ENTER"
key to store the relative value, and advance to elapsed
time set mode.
9.2 Elapsed time set mode, (Press ENTER key to skip
Elapsed time set mode) =.= = = : = = is displayed in sec-
ond and third display. Time (hours, minutes, seconds)
value is entered via overlay numbers, press overlay
"ENTER" key to store time value. Elapsed time starts
from set time value.
9.3 Hi Limit value set mode, (Press "ENTER" key to skip Hi
Limit value set mode), = = = =.= is displayed in main
display, Hi Limit value is entered via overlay numbers,
then press "ENTER" key to store the Hi Limit value. = =
= =.= is displayed in main display, Lo Limit value is en-
tered via overlay numbers, then press overlay "ENTER"
key to store the Lo Limit value and exit SET mode.
9.4 When the thermometer is turned on it uses the relative
value and Hi/Lo Limits values that were entered when
thermometer was last in use.
10. T1/T2 T1-T2 second display Input Selection
The input selection indicates which input is selected for
second display; T1 probe, T2 probe or the difference between
the two probes (T1-T2), when the thermometer is turned on,
it is set to T2 input can select alternate of probe by second
display Pt385/Pt3926/Pt3916 key switch.
11. TYPE(Pt385/Pt3926/Pt3916) Input RTD Probe
select (second display)
The Pt385/Pt3926 key switches the T2 input to select the
Pt385, Pt3926 or Pt3916 RTD probe as input, when second
display input selected T2. When the thermometer is turned on,
it is set to the RTD selected that was in use when the ther-
mometer was last turned off.
12. Hi/Lo Limits mode (only Main display)
Press "Hi/Lo Limits" key to enter the Hi/Lo Limits compara-
tive mode. When the input temperature value exceeds the Hi
or Lo Limits value, the beeper emits a continuous or pulsed
tone. Press "Hi/Lo Limits" key again to exit the Hi/Lo Limits
mode.
RTD PROBE CONNECTION
P/N: 14061-0800-9 MINI DIN PLUG
Rear view
Front view
3 Wires
4 Wires
TEMPERATURE VSRESISTANCE TABLE (ITS90)
°C
Pt385
Pt3926
Pt3916
-200°C
18.521
16.996
17.057
-100°C
60.256
59.479
59.565
0°C
100.000
100.000
100.000
100°C
138.505
139.272
139.171
200°C
175.856
177.362
177.155
300°C
212.052
214.275
213.957
400°C
247.092
250.018
249.584
500°C
280.977
284.591
284.036
600°C
313.708
317.994
317.313
700°C
345.280
-
800°C
375.700
-

OPERATOR MAINTENANCE

WARNING
To avoid possible electrical shock, disconnect the
thermocouple connectors from the thermometer before
removing the cover.
Battery Replacement
1. Power is supplied by 4pcs 1.5V (AAA SIZE) UM-4 R03.
2. The "
" appears on the LCD display when replacement
is needed. To replace battery remove screw from back of
meter and lift off the battery cover.
3. Remove the battery from battery contacts and replace.
4. When not in use for long periods remove battery.
5. Do not store in locations with high temperatures, or high
humidity.
Cleaning
Periodically wipe the case with a damp cloth and detergent,
do not use abrasives or solvents.
*Software Operation manual is on the Software disk.
WARRANTY / DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in
materials and workmanship for a period of 13 months from date of purchase.
OMEGA's 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 OMEGA's customers receive maximum coverage on each
product.
If the unit malfunctions, it must be returned to the factory for evaluation.
OMEGA's 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. OMEGA's WARRANTY does not apply to defects resulting
from any action of the purchaser, including but not limited to mishandling,
improper interfacing, operation outside of design limits, improper repair, or
unauthorized modification. This WARRANTY is VOID if the unit shows
evidence of having been tampered with or shows evidence of having been
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 is not
warranted, include but are not limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various
products. However, OMEGA neither assumes responsibility for any
omissions or errors nor assumes liability for any damages that result
from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the
parts manufactured by it will be as specified and free of defects.
OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF
ANY KIND WHATSOEVER, EXPRESS 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: The remedies
of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty,
negligence, indemnification, strict liability 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 humans. Should any Product(s) be used in or with any nuclear
installation or activity, medical application, used on humans, or misused in
any way, OMEGA assumes no responsibility as set forth in our basic
WARRANTY / DISCLAIMER language, and, additionally, purchaser will
indemnify OMEGA and hold OMEGA harmless from any liability or damage
whatsoever arising out of the use of the Product(s) in such a manner.
RETURN REQUESTS / INQUIRIES
Direct all warranty and repair requests / inquiries to the OMEGA Customer
-
Service Department. BEFORE RETURNING ANY PRODUCT(S) TO
OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR)
-
NUMBER FROM OMEGA'S 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.
The purchaser is responsible for shipping charges, freight, insurance and
proper packaging to prevent breakage in transit.
FOR WARRANTY RETURNS,
FOR NON-WARRANTY
please have the following
REPAIRS, consult OMEGA for
information available BEFORE
current repair charges. Have the
contacting OMEGA:
following information available
1. Purchase Order number under
BEFORE contacting OMEGA:
which the product was
1. Purchase Order number to cover
PURCHASED,
the COST of the repair,
2. Model and serial number of the
2. Model and serial number of the
product under warranty, and
product, and
3. Repair instructions and/or specific
3. Repair instructions and/or specific
problems relative to the product.
problems relative to the product.
OMEGA's policy is to make running changes, not model changes, whenever
an improvement is possible. This affords our customers the latest in tech-
nology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2010 OMEGA ENGINEERING, INC. All rights reserved. This
document may not be copied, photocopied, reproduced, translated, or
reduced to any electronic medium or machine-readable form, in whole or in
part, without the prior written consent of OMEGA ENGINEERING, INC.
Where Do I Find Everything I Need
for Process Measurement
and Control?
OMEGA...Of Course!
Shop online at omega.com
TEMPERATURE
Thermocouple, RTD & Thermistor Probes,
Connectors, Panels & Assemblies
Wire: Thermocouple, RTD & Thermistor
Calibrators & Ice Point References
Recorders, Controllers & Process Monitors
Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
Transducers & Strain Gages
Load Cells & Pressure Gages
Displacement Transducers
Instrumentation & Accessories
FLOW/LEVEL
Rotameters, Gas Mass Flowmeters & Flow
Computers
Air Velocity Indicators
Turbine/Paddlewheel Systems
Totalizers & Batch Controllers
pH/CONDUCTIVITY
pH Electrodes, Testers & Accessories
Benchtop/Laboratory Meters
Controllers, Calibrators, Simulators & Pumps
Industrial pH & Conductivity Equipment
DATA ACQUISITION
Data Acquisition & Engineering Software
Communications-Based Acquisition Systems
Plug-in Cards for Apple, IBM & Compatibles
Datalogging Systems
Recorders, Printers & Plotters
HEATERS
Heating Cable
Cartridge & Strip Heaters
Immersion & Band Heaters
Flexible Heaters
Laboratory Heaters
ENVIRONMENTAL
MONITORING AND CONTROL
Metering & Control Instrumentation
Refractometers
Pumps & Tubing
Air, Soil & Water Monitors
Industrial Water & Wastewater Treatment
pH, Conductivity & Dissolved Oxygen
Instruments
Made in Taiwan

Advertisement

loading

This manual is also suitable for:

Hh804u