LUTRON PH Meter EQL-PH-221

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 Compensatio for pH measurement

--Manua: 0 to 100 Degree Celcius , be adjusted by push button on front panel

--Automatic (ATC): With the optional temperature probe ( TP-07 ) 0 to 65 Degree Celcius.

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.

--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 .

Operating Humidity

--Less than 80% RH

Power Supply

--006P DC 9V battery ( Alkaline or Heavy duty type ).

--DC 9V adapter input.

Power Current

--Approx. DC 6 mA

Weight

--200 g/0.44 LB.

Dimension

--135 x 60 x 33 mm

Accessories Included

--Instruction manual............................ 1 PC