pH-221 Lutron ATC, two displays, auto calibration

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pH-221 Lutron ATC, two displays, auto calibration pH Meter


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PH_Meter_-_Lutron_pH-221.pdf (128.05 KB)
Features 
  • pH : 0 to 14.00 pH, mV : ± 1999 mV
  • mV function is used to accept the ORP electrode
  • BNC socket input, can accept most kind pH electrode
  • Separate pH electrode, easy for general purpose and remote measurement
  • pH measurement can select automatic temperature compensation ( via. optional Temp. probe ) or manual temperature adjustment
  • High input impedance for the pH function
  • Auto calibration for pH 7, pH 4 and pH 10 or other value
  • LCD with two display, easy readout
  • Manual and auto data logger, with flexible sampling time selection, can save max. 1,600 reading data
  • Can default auto power off or manual power off
  • Temperature unit can default to ¡æ or ¨H
  • Microcomputer circuit, intelligent function, high accuracy
  • Records Maximum and Minimum readings with recall
  • Data hold function for freezing the desired value
  • Build in the input socket for DC 9V power adapter
  • RS232 PC serial interface
  • Heavy duty & compact housing case
  • Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions
Specification 

pH Electrode Optional, Any pH electrode with BNC connector
Measurement pH 0 to 14 pH
mV -1999 mV to 1999 mV
Input Impedance 10^12 ohm
Temperature compensation for pH measurement Automatic (ATC) With the optional temperature probe ( TP-07 ) 0 to 65 ¡æ
pH Calibration pH 7, pH 4, and pH 10, 3 points calibration ensure the best linearity and accuracy. Other calibration point that near the pH 7, pH 4, and pH 10 are available
Circuit Custom one-chip of microprocessor LSI circuit
Display LCD size : 44 mm x 29 mm, dual function LCD display
Data Hold Freeze the display reading.
Sampling Time of Data Logger  Manual Push the data logger button once will save data one time. * Set sampling time to 0 second
Auto 1, 2, 5, 10, 30, 60, 600, 1800, 3600 seconds
Data Logger number Max. 1,600-point Data logger
Memory Recall Maximum & Minimum value
Sampling Time of display Approx. 1 second
Power off Auto power shut off to save battery life or manual power off
Data Output RS 232 PC serial interface
Operating temperature 0 to 50 ¡æ
Operating Humidity Less than 80% RH
Power Supply 006P DC 9V battery ( Alkaline or Heavy duty type ). 
DC 9V adapter input. * AC/DC power adapter is optional
Power Current  Approx. DC 6 mA.
Weight 200 g/0.44 LB. * Include probe and batterry.
Dimension 135 x 60 x 33 mm

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