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Orion (Thermo Scientific Inc.)

Thermo Orion LSTAR1120 Lab Star EC112 Conductivity-Salinity-TDS Bench Meter with Stand - ORN-LSTAR1120

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Thermo Orion LSTAR1120 Lab Star EC112 Conductivity-Salinity-TDS Bench Meter with Stand. Measure conductivity, salinity or total dissolved solids with temperature using the Orion Lab Star EC112 conductivity bench meter. Featuring a large, backlit display for easy viewability and small footprint to save space, this meter is ideal for simplified, budget-friendly lab testing. Use the onscreen stabilizing and ready indicators to help identify when conductivity meter, salinity meter and TDS meter readings are complete. View active calibration logs with date and time, record key measurements using the 500-point data log with date and time, and output all logs to a printer or computer. Ships with meter and electrode stand, PC cable, universal power adapter. Electrodes sold separately.


  • Budget-friendly conductivity meter for simplified conductivity, salinity and TDS testing
  • Display shows conductivity, cell constant, temperature and temperature coefficient simultaneously for accurate data recording
  • Measure 0.00 µS to 500.0 mS conductivity, 0.00 to 80.0 ppt or 0.00 to 42.0 PSU salinity, 0.00 ppm to 500.0 ppt TDS and -5.0 to 105.0 °C or 23.0 to 221.0 °F to ensure comprehensive measurement capabilities
  • Perform one to five point conductivity and TDS calibrations, one point salinity calibrations and one point temperature adjustment calibrations for proficient SOP compliance
  • Large 5 inch backlit display makes viewing and recording measurements easy
  • Small meter footprint saves valuable bench space in your lab
  • Onscreen stabilizing and ready indicators help identify when readings are complete
  • Date and time data stamped data and calibration logs support GLP compliance
  • View active conductivity, salinity, TDS and temperature calibration logs with date and time stamp to ensure accurate, reproducible measurements
  • Use 500-point data log with date and time stamp to record key measurements
  • Output data and calibration logs to a printer or computer for long-term data storage


Accuracy (Conductivity) ±0.5 % of the reading ± 1 LSD
Description Orion Lab Star EC112 conductivity/salinity/TDS bench meter standard kit
Outputs Computer or printer (STARA-106)
Includes Meter with electrode stand, PC cable, universal power adapter
For Use With (Application) For a Wide Variety of Conductivity Samples in The 1 µS/cm to 20 mS/cm Range
Measurement Modes Conductivity with Temperature, Salinity with Temperature, TDS with Temperature
Compatible Probes 2-cell and 4-cell conductivity electrodes
Cell Constant 0.100 to 10.00 cm-1
Calibration Conductivity, salinity, TDS and temperature
Calibration Points (Conductivity) 1-5 points conductivity
Calibration Points 1 point salinity, 1-5 points TDS, 1 point temperature
Range (Conductivity) 0.00 µS to 500.0 mS
Resolution (Conductivity) 0.01, 0.1, 1 µS; 0.01, 0.1 mS
Temperature Compensation Linear (0 to 10 %/°C) or off
Temperature Coefficient 0 to 10 %/°C
Temperature (Metric) Reference 15.0, 20.0, 25.0 or 30.0°C
Range (Salinity) 0.00 to 80.0 ppt; 0.00 to 42.0 PSU
Resolution (Salinity) 0.01, 0.1 ppt; 0.01, 0.1 PSU
Accuracy (Salinity) ±0.5 % of the reading ± 1 LSD
Salinity Measurement Modes Natural Seawater (ppt) or Practical Salinity (PSU)
Resolution (TDS) 0.01, 0.1, 1 ppm; 0.01, 0.1 ppt
Accuracy (TDS) ±0.5 % of the reading ± 1 LSD
TDS Factor Range 0.40 to 1.00
Temperature Range (Metric) -5.0°C to 105.0°C
Temperature Range (English) 23.0°F to 221.0°F
Resolution (Temperature) 0.1°C, 0.1°F
Accuracy (Temperature) ±0.3°C, ±0.5°F
Temperature Selection Manual or automatic with ATC temperature probe
Temperature Probe Calibration 1 point temperature offset calibration
Display Type 5 in. backlit LCD
Backlight Option Yes
Memory Non-volatile
Data Points 500 data sets with time and date
Log Function Type Automatic with Auto-Read and Timed read modes, manual with Continuous read mode
Data Management Details Continuous, Auto-Read and Timed read modes
Alarm Output Calibration reminder alarm
Inputs 8-pin MiniDIN for conductivity with built-in ATC
Certifications/Compliance CE, TUV 3-1, FCC Class A
IP Rating IP54
AC Adapter Universal 100-240 V 50/60 Hz power supply with twist-and-lock meter connection and interchangeable wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Dimensions (L x W x H) 187.2 x 155.2 x 61.7 mm, 7.37 x 6.11 x 2.43 in.
Weight (Metric) 700 grams
Weight (English) 1.54 lb.
Warranty 3 year meter warranty
Unit Size Each

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