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Summary of Contents for Omega LDP1XX-21
- Page 1 User's Guide http://www.omega.com e-mail: info @ omega.com LDP-124 AND LDP-144 SERIES FOR TEMPERATURE...
- Page 2 OMEGAnet On-Line Service http://www.omega.com USA : One Omega drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 Tel : (203) 359-1660 e-mail : info@omega.com Canada : 976 Bergar Laval (Quebec) H7L 5A1 Tel : (514) 856-6928 e-mail : info@omega.com For immediate technical or application assistance: USA and Canada : Sales Service : 1-800-826-6342 / 1-800-TC-OMEGA Customer Service : 1-800-622-2378 / 1-800-622-BEST...
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Page 3: Table Of Contents
=========================================================================== IMPORTANT SAFETY CONSIDERATIONS UNPACKING AND INSPECTION MAIN FEATURES MODELS LDP-1X4-MX, TEMPERATURE INDICATOR FOR RTD SENSOR (PT-100) LDP-1X4-J1,J2 TEMPERATURE INDICATOR FOR THERMOCOUPLE "J" LDP-1X4-K1,K2 TEMPERATURE INDICATOR FOR THERMOCOUPLE "K" LDP-1X4-T1,T2 TEMPERATURE INDICATOR FOR THERMOCOUPLE "T" LDP-1X4-E1,E2 TEMPERATURE INDICATOR FOR THERMOCOUPLE "E" LDP-1X4-S1,S2 TEMPERATURE INDICATOR FOR THERMOCOUPLE "S"... -
Page 4: Important Safety Considerations
1.- IMPORTANT SAFETY CONSIDERATIONS INSTALLATION PRECAUTIONS.- The installation must incorporate an external main switch. The unit has a protection fuse incorporated on the AC socket, if it is necessary to change or replace, use the time-lag fuse according IEC 127/2 and the values indicated below. 200 mA when the unit is operating at 230 Vac 400 mA when the unit is operating at 115 Vac. -
Page 5: Unpacking And Inspection
2.- UNPACKING AND INSPECTION It is advisable to do a detailed reading of this Manual before mounting the instrument. This Operator's Manual contains all the technical specifications : electricals as well as mechanics, both necessary to do a correct installation and also a good use of the instrument. At the same time the user will acquire the knowledge needed to obtain the best performances of the product. -
Page 6: Main Features
3.- MAIN FEATURES On this paragraph is detailed the main features for every one of the series which are the following : Instruments of four digits plus polarity (only minus) to show temperature using the signal generated by sensors type RTD (PT-100 (0.00385), model MX) or Thermocouples (models J1,J2, K1,K2, T1,T2, E1,E2, S1,S2, R1,R2 and L1). -
Page 7: Models
4.- MODELS LDP-1X4-MX Temperature indicator for RTD sensor type PT-100 (100 the 3-wire measurement, which compensates thelead wire resistance. However 2-wire sensors can be used too. See wiring connections. The sensor signal is linearized according to IEC 751-DIN 43760. The maximum excitation current is @1 mA. LDP-1X4-J1,J2 Temperature indicator for thermocouple sensor type J (Fe-Kons). -
Page 8: General Specifications
5.- GENERAL SPECIFICATIONS DISPLAY TYPE ......4 digits, 7 segments, red or HEIGHT DIGIT ....57 mm. (2.3") or 100 mm. (4"). RANGE . -
Page 9: Wiring
8.- WIRING 8.1.- POWER SUPPLY, RECOMMENDED WIRING 8.2.- PROTECTION FUSES The unit has a protection fuse located on the power supply socket. If this fuse must be replaced or changed because the power supply is changed, use the time-lag fuse according to IEC 127/2 with the values indicated on the table. -
Page 10: Temperature Ranges
9.- TEMPERATURE RANGES 9.1.- MODEL M1, M2 & M3. RTD SENSOR (PT-100) MODEL TEMPERATURE - 100.0 to + 650.0 °C - 200.0 to 999.9 °F Allowable error in negative range due to the lead wire resistance : 0.2°C/ 9.2.- MODELS: J1,J2,K1,K2,T1,T2, E1,E2,S1,S2,R1,R2 & L1. THERMOCOUPLE SENSORS TEMPERATURE MODEL RANGE... -
Page 11: Adjustment And Calibration Procedure 1 1 1
11.- ADJUSTMENT AND CALIBRATION PROCEDURE 11.1.- RTD MODELS A decade box or RTD simulator is required. 1.- Check that the instrument is not powered. 2.- Connect the RTD simulator or decade box to the signal input connector (See paragraph 8.3). 3.- Remove the rear cover taking off all the screws to obtain access to the control board. -
Page 12: Installation
12.- INSTALLATION 1.- Prepare a panel cut-out with the dimensions indicated on paragraph 13. 2.- Slide the instrument (1) into the cut-out. 3.- Slide the two fixation pieces (3) with T shape by both lateral sides of the instrument, such as it is shown on the drawing below. -
Page 13: Warranty 1
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 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. - Page 14 Where Do I Find Everything I Need for Process Measurement and Control? 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 &...