pH/mV, manual Temp. adj. or ATC, auto calibration
pH METER
FEATURES Model : PH-221E
* pH : 0 to 14.00 pH, mV : ± 1999 mV. Input 10^12 ohm
* mV function is used to accept the ORP electrode. Impedance
* BNC socket input, can accept most kind pH electrode. Circuit Custom one-chip of microprocessor LSI circuit.
* Separate pH electrode, easy for general purpose Display LCD size : 44 mm x 29 mm, dual function LCD
and remote measurement. display.
* pH measurement can select automatic temperature Data Hold Freeze the display reading.
compensation ( via. optional Temp. probe ) or Memory Recall Maximum & Minimum value.
manual temperature adjustment. Sampling Time Approx. 1 second.
* High input impedance for the pH function. of display
* Auto calibration for pH 7, pH 4 and pH 10 or other value. Power off Auto power shut off to save battery life or
* LCD with two display, easy readout. manual power off.
* Manual and auto data logger, with flexible sampling Operating ting 0 to 50 ℃.
time selection, can save max. 1,600 reading data. Temperature
* Can default auto power off or manual power off. Operating Less than 80% RH.
* Temperature unit can default to ℃ or ℉. Humidity
* Microcomputer circuit, intelligent function, high accuracy. Power Supply 006P DC 9V battery ( Alkaline or Heavy duty type ).
* Records Maximum and Minimum readings with recall. Power Current Approx. DC 6 mA.
* Data hold function for freezing the desired value. Weight 200 g/0.44 LB.
* Heavy duty & compact housing case. Dimension 135 x 60 x 33 mm.
* Available for wide applications, such as aquarium, Accessories Instruction manual........................1 PC
beverage, fish hatcheries, food processing, photography, Included * pH electrode and the battery are optional.
laboratory, quality control, school & colleges, swimming Optional * pH electrode...........PE-03, PE-11, PE-01,PE-06HD
pools, water conditions. probes and PE-02, PE-08, PE-03K7
accessories PE-04HD, PE-05T.
GENERAL SPECIFICATIONS * Temp. probe for ATC.................TP-07
pH Optional, * pH 7 buffer solution...................PH-07
Electrode Any pH electrode with BNC connector. * pH 4 buffer solution...................PH-04
Measurement pH 0 to 14 pH * ORP electrode...........................ORP-14
mV -1999 mV to 1999 mV * Hard carrying case.................... CA-06
Temperature Manual 0 to 100 ℃, be adjusted by * Soft Carrying case.....................CA-05A
Compensation push button on front panel.
for pH Automatic With the optional temperature ELECTRICAL SPECIFICATIONS (23± 5 ℃)
measurement ( ATC ) probe ( TP-07 ) Measurement Range Resolution Accuracy
0 to 65 ℃. pH 0 to 14 pH 0.01 pH ± (0.02 pH + 2 d)
pH pH 7, pH 4, and pH 10, 3 points calibration mV 0 to ± 1999 mV 1 mV ± (0.5% + 2 d)
Calibration ensure the best linearity and accuracy. * pH accuracy is based on calibrated meter only.
* Other calibration point that near the pH 7, * Above specification tests under the environment RF Field
pH 4, and pH 10 are available. Strength less than 3 V/M & frequency less than 30 MHz only.
