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P703 Portable Touchscreen Dissolved Oxygen Meter

Model NO. P703

The user-friendly touchscreen DO meter with 7-inch display supports fast 3-5min polarization and easy membrane replacement.

Quantity

Features：

7-inch color capacitive touchscreen (1024*600), easy operation
PEEK housing: high temperature/corrosion resistance
ARM32 MCU: precise measurements with digital filtering
GLP compliant: auto-calibration, 5000 data storage, USB export
Bilingual OS, adjustable brightness, ℃/℉ switch
Polarographic DO electrode: 3-5 min polarization, easy membrane replacement
Auto temp/salinity/atmospheric pressure compensation
Rechargeable lithium battery, IP54 protection
Optional Bluetooth for printing/APP connection

Advantages:

The user-friendly touchscreen DO meter with 7-inch display supports fast 3-5min polarization and easy membrane replacement.

Specification：

Model	P701	P702	P703	P704	P705
Display	7-inch color capacitive touchscreen (1024*600)	7-inch color capacitive touchscreen (1024*600)	7-inch color capacitive touchscreen (1024*600)	7-inch color capacitive touchscreen (1024*600)	7-inch color capacitive touchscreen (1024*600)
Measurement Range	pH: -2.00~20.00 pH; mV: -1999~1999 mV	Conductivity: 0.00μS/cm~200.0 mS/cm; Resistivity: 0~100 MΩ·cm; TDS: 0~100 g/L; Salinity: 0~100 ppt	DO: 0.00~20.00 mg/L (0.0~200.0%); Temp: -5~135℃	pH: -2.00~20.00 pH; mV: -2000~2000 mV; Conductivity: 0.00μS/cm~200.0 mS/cm; Resistivity: 0~100 MΩ·cm; TDS: 0~100 g/L; Salinity: 0~100 ppt	pH: -2.00~20.00 pH; mV: -2000~2000 mV; Conductivity: 0.00μS/cm~200.0 mS/cm; Resistivity: 0~100 MΩ·cm; TDS: 0~100 g/L; Salinity: 0~100 ppt; DO: 0.00~20.00 mg/L (0.0~200.0%)
Resolution	pH: 0.1/0.01 pH; mV: 1 mV	Conductivity: 0.001/0.01/0.1/1μS/cm, 0.01/0.1 mS/cm	DO: 0.01/0.1 mg/L, 0.1%; Temp: 0.1℃	pH: 0.1/0.01 pH; mV: 1 mV; Conductivity: 0.01/0.1/1μS/cm, 0.01/0.1/1 mS/cm	pH: 0.1/0.01 pH; mV: 1 mV; Conductivity: 0.01/0.1/1μS/cm, 0.01/0.1/1 mS/cm; DO: 0.01/0.1 mg/L, 0.1%
Accuracy	pH (Meter): ±0.01 pH; (Complete Set): ±0.02 pH; mV: ±0.1% FS	Conductivity (Meter): ±1.0% FS; (Complete Set): ±1.5% FS	DO (Meter): ±0.10 mg/L; (Complete Set): ±0.40 mg/L; Sat.: ±2.0% FS	pH (Meter): ±0.01 pH; (Complete Set): ±0.02 pH; mV: ±0.1% FS; Conductivity (Meter): ±1.0% FS; (Complete Set): ±1.5% FS	pH (Meter): ±0.01 pH; (Complete Set): ±0.02 pH; mV: ±0.1% FS; Conductivity (Meter): ±1.0% FS; (Complete Set): ±1.5% FS; DO (Meter): ±0.10 mg/L; (Complete Set): ±0.40 mg/L
Temp Compensation	-5~135℃ (Auto/Manual)	-5~135℃ (Auto)	-5~135℃ (Auto/Manual)	pH: -5~135℃ (Auto/Manual); Conductivity: -5~135℃ (Auto/Manual)	pH: -5~135℃ (Auto/Manual); Conductivity: -5~135℃ (Auto/Manual); DO: -5~135℃ (Auto/Manual)
Special Compensation	-	-	Salinity: 0~45 ppt; Pressure: 0~200 kPa	-	DO: Salinity: 0~45 ppt; Pressure: 80~105 kPa
Calibration	Auto 3-point; 15 pH buffers	Auto; 8 conductivity standards	Auto (saturated air/water)	Auto; 15 pH buffers + 8 conductivity standards	Auto; 15 pH buffers + 8 conductivity standards + DO auto-calibration
Data Storage	5000 sets	5000 sets	5000 sets	10000 sets (5000/parameter)	15000 sets (5000/parameter)
Communication	USB2.0; Optional Bluetooth	USB2.0; Optional Bluetooth	USB2.0; Optional Bluetooth	USB2.0; Optional Bluetooth	USB; Optional Bluetooth
Power Supply	3.7V/1800mA Rechargeable Lithium Battery	3.7V/1800mA Rechargeable Lithium Battery	3.7V/1800mA Rechargeable Lithium Battery	3.7V/1800mA Rechargeable Lithium Battery	3.7V/1800mA Rechargeable Lithium Battery
Dimensions & Weight	195×135×40mm / 600g	195×135×40mm / 600g	195×135×40mm / 600g	195×135×40mm / 600g	195×135×40mm / 600g
Operating Conditions	Temp: 5~40℃; Humidity: 5~85%	Temp: 5~35℃; Humidity: ≤80%	Temp: 5~40℃; Humidity: 5~85%	Temp: 5~35℃ (0.01 级); 15~30℃ (0.001 级); Humidity: ≤75%	Temp: 5~35℃ (0.01 级); 15~30℃ (0.001 级); Humidity: ≤75%
IP Rating	IP54	IP54	IP54	IP54	IP54