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P615 Portable pH & Dissolved Oxygen Meter

Model NO. P615

The versatile pH/DO dual tester recognizes 13 pH buffers and enables fast 3-5min DO polarization for water quality testing.ld.

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Features：

Dual-parameter measurement (pH + DO)
Large LCD screen with controllable white backlight
Intelligent functions: auto-calibration, multi-compensation (temp/salinity), data storage (150 sets), etc.
Recognizes 13 pH buffers (Europe/US, NIST, China series)
Polarographic DO electrode (3-5 min polarization), easy membrane replacement
Special pH modes for high-purity water and ammonia-added pure water
Ergonomic design: stand & non-slip grip, IP57 waterproof
Optional carrying case

Advantages:

The versatile pH/DO dual tester recognizes 13 pH buffers and enables fast 3-5min DO polarization for water quality testing.

Specification：

Model	P611	P612	P613	P614	P615
Measurement Range	pH: -2.00 ~ 20.00 pH; mV: -1999 ~ 1999 mV	Conductivity: 0.00μS/cm ~ 200.0 mS/cm; TDS: 0 ~ 100 g/L; Salinity: 0 ~ 100 ppt; Resistivity: 0 ~ 100 MΩ·cm	pH: -2.00 ~ 20.00 pH; mV: -1999 ~ 1999 mV; Conductivity: 0.00μS/cm ~ 200.0 mS/cm; TDS: 0 ~ 100 g/L; Salinity: 0 ~ 100 ppt; Resistivity: 0 ~ 100 MΩ·cm	DO: 0 ~ 20.00 mg/L (0 ~ 200.0%); Conductivity: 0.00μS/cm ~ 200.0 mS/cm; TDS: 0 ~ 100 g/L; Salinity: 0 ~ 100 ppt; Resistivity: 0 ~ 100 MΩ·cm	pH: -2.00 ~ 19.99 pH; mV: -1999 ~ 1999 mV; DO: 0 ~ 20.00 mg/L (0 ~ 200.0%)
Resolution	pH: 0.1/0.01 pH; mV: 1 mV	Conductivity: 0.01/0.1/1μS/cm, 0.01/0.1 mS/cm	pH: 0.1/0.01 pH; mV: 1 mV; Conductivity: 0.01/0.1/1μS/cm, 0.01/0.1 mS/cm	DO: 0.1/0.01 mg/L, 1/0.1%; Conductivity: 0.01/0.1/1μS/cm, 0.01/0.1 mS/cm	pH: 0.1/0.01 pH; mV: 1 mV; DO: 0.1/0.01 mg/L, 1/0.1%
Accuracy	pH (Meter): ±0.01 pH; pH (Complete Set): ±0.02 pH; mV: ±0.1% FS	Conductivity (Meter): ±1.0% FS; Conductivity (Complete Set): ±1.5% FS	pH (Meter): ±0.01 pH; pH (Complete Set): ±0.02 pH; mV: ±0.1% FS; Conductivity (Meter): ±1.0% FS; Conductivity (Complete Set): ±1.5% FS	DO (Meter): ±0.10 mg/L; DO (Complete Set): ±0.40 mg/L; Conductivity (Meter): ±1.0% FS; Conductivity (Complete Set): ±1.5% FS	pH (Meter): ±0.01 pH; pH (Complete Set): ±0.02 pH; mV: ±0.1% FS; DO (Meter): ±0.10 mg/L; DO (Complete Set): ±0.40 mg/L
Temp Compensation Range	0 ~ 100℃ (Auto/Manual)	0 ~ 100℃ (Auto)	pH: 0 ~ 100℃ (Auto/Manual); Conductivity: 0 ~ 100℃ (Auto/Manual)	DO: 0 ~ 99℃ (Auto); Conductivity: 0 ~ 100℃ (Auto)	pH: 0 ~ 100℃ (Auto/Manual); DO: 0 ~ 99℃ (Auto)
Special Compensation	-	-	-	DO: Salinity (0 ~ 45 ppt), Atmospheric Pressure (0 ~ 200 kPa)	DO: Salinity (0 ~ 45 ppt), Atmospheric Pressure (0 ~ 200 kPa)
Data Storage	150 sets (No., Value, Unit, Temp)	150 sets (No., Value, Unit, Temp)	150 sets (No., Value, Unit, Temp)	150 sets (No., Value, Unit, Temp)	150 sets (No., Value, Unit, Temp)
Power Supply	2×AA Batteries (1.5V×2)	2×AA Batteries (1.5V×2)	2×AA Batteries (1.5V×2)	2×AA Batteries (1.5V×2)	2×AA Batteries (1.5V×2)
Dimensions & Weight	Meter: 90×160×30 mm, 200g; Carrying Case (Optional): 255×210×50 mm, 790g	Meter: 90×160×30 mm, 200g; Carrying Case (Optional): 255×210×50 mm, 790g	Meter: 90×160×30 mm, 200g; Carrying Case (Optional): 255×210×50 mm, 790g	Meter: 90×160×30 mm, 200g; Carrying Case (Optional): 255×210×50 mm, 790g	Meter: 90×160×30 mm, 200g; Carrying Case (Optional): 255×210×50 mm, 790g
Operating Conditions	Temp: 5 ~ 35℃; Humidity: ≤85%	Temp: 5 ~ 35℃; Humidity: ≤85%	Temp: 5 ~ 35℃; Humidity: ≤85%	Temp: 5 ~ 35℃; Humidity: ≤85%	Temp: 5 ~ 35℃; Humidity: ≤85%
Certifications	ISO9001:2000, CE, CMC	ISO9001:2000, CE, CMC	ISO9001:2000, CE, CMC	ISO9001:2000, CE, CMC	ISO9001:2000, CE, CMC
IP Rating	IP57 (Dustproof & Waterproof)	IP57 (Dustproof & Waterproof)	IP57 (Dustproof & Waterproof)	IP57 (Dustproof & Waterproof)	IP57 (Dustproof & Waterproof)