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P905 Desktop DO & pH Dual-Parameter Meter

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Model NO. Desktop DO & pH Dual-Parameter Meter

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The efficient pH/DO lab tester auto-recognizes 15 pH buffers and enables fast DO electrode polarization for accurate testing.

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Features：

Advantages:

The efficient pH/DO lab tester auto-recognizes 15 pH buffers and enables fast DO electrode polarization for accurate testing.

Specification：

Model	P905
pH Measurement Range	-2.00 ~ 20.00 pH
pH Resolution	0.1/0.01 pH
pH Accuracy	Meter: ±0.01 pH; Complete set: ±0.02 pH
Input Current	≤1×10⁻¹² A
Input Impedance	≥1×10¹² Ω
pH Stability	±0.01 pH / 3h
mV Measurement Range	-1999mV ～ 1999mV
mV Resolution	1mV
mV Accuracy	±0.1% FS
DO Measurement Range	0~20.00 mg/L (ppm); 0~200.0%
DO Resolution	0.1/0.01 mg/L (ppm); 1/0.1%
DO Accuracy	Meter: ±0.10 mg/L; Complete set: ±0.40 mg/L
DO Response Time	≤30s (25℃, 90% response)
Residual Current	≤0.1 mg/L
Temperature Measurement Range	0℃~ 100℃
Temperature Resolution	0.1℃
Temperature Accuracy	±0.4℃
Temperature Compensation	0～100℃ (manual/auto)
Salinity Compensation	0～45 ppt
Pressure Compensation	0～200 kPa
DO Calibration	Water-saturated air; Air-saturated water
Electrode Type	Polarographic
Data Storage	300 sets (No., measurement value, temperature, ATC/MTC status, date, time)
Communication Interface	USB, Micro USB, Optional Bluetooth
Operating Conditions	Temperature: 5 ~ 35℃; Humidity: ≤85%
Power Supply	DC12V/1A
Dimensions & Weight	215×170×40 mm; 600g
IP Rating	IP54