เครื่องวัดความเป็นกรดด่าง [(pH METER) DATA LOGGER] PH-222

PEN type PH METER WITH DATA LOGGER!

*ช่วงการวัดค่า 0 - 14 pH
*มีระบบการชดเชยอุณหภูมิแบบอัตโนมัติ (Auto temperature compensation)
*คาลิเบรทแบบอัตโนมัติ (Auto calibration)
*กันน้ำได้ (มาตราฐาน IP67)

*0 to 14.00 pH
*Auto temperature compensation
*Auto calibration
*IP-67 Water proof

Pen type digital pH meter, all in one, pH electrode is included, easy for general purpose application
Build in temperature sensor, ATC (auto temperature compensation)
pH 4, pH 7 standard solution are standard accessories
Easy to change the pH electrode
Temperature measurement °C
IP67, water proof and protection
Auto calibration for pH 4, pH 7 or pH 10 or other value
High input impedance
LCD with two displays and bar graph indicator
Data hold function for freezing the desired value
Auto power off
Records max. and min. value with recall
100 point data logger with recall
Microcomputer circuit, intelligent function, high accuracy
Compact size, light weight
Power supply by DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school &colleges, swimming pools, water conditions

Display		LCD, size : 20 mm x 28 mm.*With bar graph indicator.
Measurement Range		pH Temp.		0 to 14 pH.- 5 to 80 °C
Resolution		pH		0.01 pH.
Temp.		0.1 °C
Accuracy		pH		±0.02 pH * After calibration.
Temp.		± 0.8°C
pH Input Impedance		10^12 ohms.
pH Electrode		Included.* PE-12
Data Hold		Freeze the display reading.

pH Temp. Compensation Memory Recall		ATC (Automatic temperature compensation ), build thermister Temp. sensor. Maximum & Minimum value.
Sampling Time		Approx. 0.8 second.
pH Calibration		pH 7, pH 4 or 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.
Data Logger		Max. can save 100 point data with recall . Manual: push the data logger button once will save data one time.
Circuit		Custom one-chip of microprocessor LSI circuit.
Operating Temperature		Meter :0 to 60°C
pH electrode :-5 to 80°C
Operating Humidity		Less than 80% RH.
Power Supply		DC 1.5V battery ( UM-4/AAA ) x 4 PCs.
Power Consumption		Approx. 4.8 mA.
Dimension		186 x 40 x 32 mm ( 7.3 x 1.6 x 1.3 inch ).*Meter with pH electrode.
Weight		131 g/0.36 LB (included electrode).
Power off		Auto power shut off to save battery life.
Standard Accessories		Instruction Manual.............................. 1 PC pH electrode, PE-12........................... 1 PC pH 7.00 buffer solution, PH-7A............. 1 PC pH 4.00 buffer solution, PH-4A............. 1 PC  PE-12, PH-7A, PH-4A are the consumer accessory