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REV. 1.4
th
Mar., 30
2007
HD2328.0
THERMOCOUPLE
THERMOMETER
ENGLISH
Our instruments' quality level is the results of the product continuous development. This
can bring about differences between the information written in this manual and the
instrument that you have purchased. We cannot entirely exclude errors in the manual, for
which we apologize.
The data, figures and descriptions contained in this manual cannot be legally asserted. We
reserve the right to make changes and corrections without prior notice.
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Related Manuals for Delta OHM HD2328
Summary of Contents for Delta OHM HD2328
- Page 1 REV. 1.4 Mar., 30 2007 HD2328.0 THERMOCOUPLE THERMOMETER ENGLISH Our instruments' quality level is the results of the product continuous development. This can bring about differences between the information written in this manual and the instrument that you have purchased. We cannot entirely exclude errors in the manual, for which we apologize.
- Page 2 Thermocouple Thermometer HD2328...
- Page 3 HD2328.0 1. Inputs A and B for two thermocouples, with standard miniature connectors. 2. Battery symbol: displays the battery charge level. 3. Function indicators. 4. Secondary display line. 5. DATA/ENTER key: during normal operation displays the maximum (MAX), the minimum (MIN) and the average (AVG) of current measurements;...
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Page 4: Table Of Contents
TABLE OF CONTENTS 1. GENERAL CHARACTERISTICS..........................5 2. DESCRIPTION OF THE FUNCTIONS ........................6 3. THE PROGRAMMING MENU ..........................9 4. PROBES AND MEASUREMENTS.......................... 10 4.1 T ..........................10 EMPERATURE EASUREMENT 4.2 C )................10 ALIBRATION OF THE INSTRUMENT ON LINE WITH THE PROBE 4.2.1 Calibration sequence ............................ -
Page 5: General Characteristics
1. GENERAL CHARACTERISTICS The Thermocouple Thermometer Model HD2328.0 is a portable instrument with two inputs A and B. It measures the temperature of the two input channels, and can calculate the difference between the two channels (A-B). It is fitted with a large LCD display for excellent visualization of the measured data. The Thermometer Model HD2328.0 measures the temperature using immersion, penetration, contact or... -
Page 6: Description Of The Functions
Each key specific function is described in detail below. The HD2328.0 measures the temperature at the two inputs: the temperature measurement at the "A" input is displayed in the main line, while the secondary line shows the value at the "B" input. - Page 7 DATA/ENTER key The DATA key is used for the following functions: • DATA: during normal measurement, by pressing this key once the maximum (MAX) value of the measurements captured by the probes connected to the instrument is displayed, updating it with the acquisition of new samples;...
- Page 8 A-B/MENU key The A-B key is used for the following functions: • A-B: in measurement mode, it displays in the secondary line the difference of the temperatures measured by the probes connected to the inputs A and B, and indicates "ERR" if one of the probes is in error (not connected, faulty or overrange).
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Page 9: The Programming Menu
3. THE PROGRAMMING MENU To access to the programming menu press simultaneously the DATA+(A-B) keys. The items to be set are listed in this order: Selection of the unit of measurement: the "SEL_MEAS_UNIT" message is displayed in the comment line. The main line in the center of the display shows the selected unit of measurement: Celsius (°C) or Fahrenheit (°F) degrees. -
Page 10: Probes And Measurements
The user can choose the unit of measurement for display of temperature: °C and °F. The Thermometer HD2328.0 has two inputs: the temperature for input "A" (see description of the inputs) is displayed in the main line: the temperature for input "B" is displayed in the secondary line. -
Page 11: Calibration Sequence
The calibration information is saved in the instrument's memory. The same correction is applied to any probe that is subsequently connected to the input: therefore the "USER calibration" should only be used with the probe used for calibration and not with other probes. To pass from the user to the factory calibration and back, proceed as follows (see also the menu description in chapter 3): •... -
Page 12: Warnings
5. WARNINGS 1. Do not expose the probes to gases or liquids that could corrode the material of the probe. Clean the probe carefully after each measurement. 2. Do not bend the probe connectors or force them upward or downward. 3. -
Page 13: Instrument Signals And Faults
6. INSTRUMENT SIGNALS AND FAULTS The following table lists all error indications and information displayed by the instrument and supplied to the user in different operating situations: Display indications Explanation Correct the first point using the arrows 1ST_MEAS UP DOWN 2ND_MEAS UP DOWN Correct the second point using the arrows BATT TOO LOW... -
Page 14: Low Battery Warning And Battery Replacement
7. LOW BATTERY WARNING AND BATTERY REPLACEMENT The battery symbol on the display constantly shows the battery charge status. To the extent that batteries have discharged, the symbol "empties". When the charge decreases still further it starts blinking. In this case, batteries should be replaced as soon as possible. If you continue to use it, the instrument can no longer ensure correct measurement. -
Page 15: Instrument Storage
8. INSTRUMENT STORAGE Instrument storage conditions: • Temperature: -25…+65°C. • Humidity: less than 90%RH without condensation. • Do not store the instrument in places where: • humidity is high; • the instrument may be exposed to direct sunlight; • the instrument may be exposed to a source of high temperature; •... -
Page 16: Notes About Working And Operative Safety
9. NOTES ABOUT WORKING AND OPERATIVE SAFETY Authorized use The technical specifications as given in chapter TECHNICAL CHARACTERISTICS must be observed. Only the operation and running of the measuring instrument according to the instructions given in this operating manual is authorized. Any other use is considered unauthorized. General safety instructions This measuring system is constructed and tested in compliance with the EN 61010-1 safety regulations for electronic measuring instruments. -
Page 17: Technical Characteristics
10. TECHNICAL CHARACTERISTICS Instrument Dimensions (Length x Width x Height) 140 x 88 x 38 mm Weight 160g (complete with batteries) Materials Display 2x4½ digits plus symbols Visible area: 52 x 42 mm Operating conditions Operating temperature -5…50°C Warehouse temperature -25…65°C Working relative humidity 0…90%RH without condensation... - Page 18 Accuracy of the thermocouple probes: The tolerance of a type of thermocouple corresponds to the maximum acceptable departure from the e.m.f. of any thermocouple of that type, with reference junction at 0°C. The tolerance is expressed in degrees Celsius, preceded by the sign. The percentage tolerance is given by the ratio between the tolerance expressed in degrees Celsius and the measurement junction temperature, multiplied by one hundred.
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Page 19: Order Codes
11. ORDER CODES HD2328.0 The kit is composed of the instrument HD2328.0 with two inputs, 3 1.5V alkaline batteries, operating manual, and case. The probes must be ordered separately. 11.1 T HERMOCOUPLE PROBES The thermocouple probes can be connected to all instruments using the standard miniature... - Page 20 All DELTA OHM instruments have been subjected to strict tests and are guaranteed for 24 months from date of purchase. DELTA OHM will repair or replace free of charge any parts which it considers to be inefficient within the guarantee period. Complete replacement is excluded and no request of damages are recognized.
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