pH/mV, manual Temp. adj. or ATC, auto calibration
1,600 point data logger, RS232, AC/DC adapter
PH METER
Model : PH-221
FEATURES
* pH : 0 to 14.00 pH, mV : ± 1999 mV. Sampling Time Manual Push the data logger button once
* mV function is used to accept the ORP electrode. of Data Logger will save data one time.
* BNC socket input, can accept most kind pH electrode. * Set sampling time to 0 second.
* Separate pH electrode, easy for general purpose Auto 1, 2, 5, 10, 30, 60, 600, 1800,
and remote measurement. 3600 seconds.
* pH measurement can select automatic temperature Data Logger Max. 1,600-point Data logger
compensation ( via. optional Temp. probe ) or number
manual temperature adjustment. Memory Recall Maximum & Minimum value.
* High input impedance for the pH function. Sampling Time Approx. 1 second.
* Auto calibration for pH 7, pH 4 and pH 10 or other value. of display
* LCD with two display, easy readout. Power off Auto power shut off to save battery life or
* Manual and auto data logger, with flexible sampling manual power off.
time selection, can save max. 1,600 reading data. Data Output RS 232 PC serial interface.
* Can default auto power off or manual power off. Operating 0 to 50 ℃.
* Temperature unit can default to ℃ or ℉. Temperature
* Microcomputer circuit, intelligent function, high accuracy. Operating Less than 80% RH.
* Records Maximum and Minimum readings with recall. Humidity
* Data hold function for freezing the desired value. Power Supply 006P DC 9V battery ( Alkaline or Heavy duty type ).
* Build in the input socket for DC 9V power adapter. DC 9V adapter input.
* RS232 PC serial interface. * AC/DC power adapter is optional.
* Heavy duty & compact housing case. Power Current Approx. DC 6 mA.
* Available for wide applications, such as aquarium, Weight 200 g/0.44 LB. * Include probe and batterry.
beverage, fish hatcheries, food processing, photography, Dimension 135 x 60 x 33 mm.
laboratory, quality control, school & colleges, swimming Accessories Instruction manual............................ 1 PC
pools, water conditions. Included
Optional * pH electrode............. PE-03, PE-11, PE-01,PE-06HD
GENERAL SPECIFICATIONS probe and PE-04HD, PE-05T, PE-03K7
pH Optional, accessories * Temp. probe for ATC................... TP-07
Electrode Any pH electrode with BNC connector. * pH 7 buffer solution..................... PH-07
Measurement pH 0 to 14 pH * pH 4 buffer solution...................... PH-04
mV -1999 mV to 1999 mV * ORP electrode.............................. ORP-14
Input 10^12 ohm * RS232 cable..................................UPCB-02.
Impedance * USB cable..................................... USB-01
Temperature Manual 0 to 100 ℃, be adjusted by * Data Acquisition software............. SW-U801-WIN.
Compensation push button on front panel. * Data logger software.....................SW-DL2005.
for pH Automatic With the optional temperature * Hard carrying case........................ CA-06
measurement ( ATC ) probe ( TP-07 ) * Soft Carrying case....................... CA-05A
0 to 65 ℃. * AC to DC 9V adapter.
pH pH 7, pH 4, and pH 10, 3 points calibration
Calibration ensure the best linearity and accuracy. ELECTRICAL SPECIFICATIONS (23± 5 ℃)
* Other calibration point that near the pH 7, Measurement Range Resolution Accuracy
pH 4, and pH 10 are available. pH 0 to 14 pH 0.01 pH ± (0.02 pH + 2 d)
Circuit Custom one-chip of microprocessor LSI circuit. mV 0 to ± 1999 mV 1 mV ± (0.5% + 2 d)
Display LCD size : 44 mm x 29 mm, dual function LCD * pH accuracy is based on calibrated meter only.
display. * Above specification tests under the environment RF Field
Data Hold Freeze the display reading. Strength less than 3 V/M & frequency less than 30 MHz only.
