AELAB Multiparameter Water Quality Meter 9 Series – Precision Lab Testing

The AELAB Multiparameter Water Quality Meter 9 Series offers precise and versatile water analysis for laboratory and field applications. Engineered with advanced features like automatic temperature compensation, USB data transfer, and multi-point calibration, this instrument ensures reliable, user-friendly operation for demanding water quality testing environments.

Modles : 900~901~902~903~904

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The Multiparameter Water Quality Meter 9 Series is a high-performance instrument designed for accurate and efficient analysis of water quality parameters in both laboratory and field environments. It features Automatic Temperature Compensation for precise readings across the full temperature range, and an Auto-Hold function that locks the measurement when stable, ensuring reliable data.

The device includes a Stability Indicator and Automatic Data Stability detection to guide users during measurements, while the Battery Indicator and Auto Power-Off function help manage and conserve battery life effectively. A Calibration Report provides comprehensive details, including calibration standards, electrode slope, and stability settings.

Users can configure up to 15 customizable parameters through the setup menu, and the Reset function allows a return to factory defaults with ease. The device supports data logging of up to 500 sets, which can be conveniently transferred to a computer via USB. These features make the 9 Series ideal for professionals who require high accuracy, user-friendly operation, and robust data management in water quality testing.

FEATURES
pH:

900 meter: Multi-parameter meter is equipped with a large backlit LCD display.
1 to 5 points push-button calibration with auto buffer recognition.
Selectable pH buffer group (USA/NIST/DIN or using the custom calibration solutions.
Automatic electrode diagnosis with pH slope and offset display.

ORP:

1 point offset calibration allows adjusting the displayed value to a known standard.
Relative and absolute millivolt modes provide the reliable ORP measurements.

ION:

2 to 5 points calibration, providing the 8 concentration points can be selected.
Automatically recognizes the ion selective electrode, does not need to specify type of ion.
Automatic electrode diagnosis shows the calibration points and details of slopes.
Direct ion concentration mode can be used to calculate the ion concentration.
Selectable concentration units, including the ppm, mg/L and mol/L.

CONDUCTIVITY/TDS/SALINITY/RESISTIVITY:

1 to 5 points push-button calibration, automatically recognizes the calibration solutions.
Selectable cell constant (0.1/1/10), normalization temperature (20℃/25℃), TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes.

DISSOLVED OXYGEN:

1 or 2 points calibration using the air-saturated water or zero oxygen solution.
Salinity and barometric pressure compensations provide the reliable measuring results.
Selectable measurement units, including the mg/L, ppm, mmHg and kPa.

✅ 🔬 How It Works?

The AELAB 9 Series uses electrode-based sensing combined with digital compensation algorithms to analyze key water parameters such as pH, ORP, ion concentration, and DO. The Auto-Hold and Stability Indicator ensure only stable readings are captured. Each parameter supports multi-point calibration and automatic buffer recognition for unmatched accuracy, while temperature and pressure compensations improve reliability across varying environments. Data can be logged and exported via USB, streamlining lab workflow and compliance.

✅ 💡 Advantages

🔁 Multi-Functionality: One device handles pH, ORP, DO, conductivity, ion concentration, and more.
🎯 Exceptional Accuracy: Multi-point calibration and auto-recognition ensure lab-grade reliability.
⚡ User-Friendly Interface: Large LCD, auto hold, and calibration diagnostics simplify operation.
📁 Data Management: Store 500 sets and transfer via USB – ideal for audits and reports.
🧩 Customizable: Configure up to 15 parameters and reset to factory defaults with ease.
🌡️ Environmental Adaptability: Built-in compensation for temperature, pressure, and salinity.

✅ 🔍 Recommended Models by Use Case

Use Case	Recommended Model	Features
Educational Labs	901	Covers essential pH, conductivity, and TDS measurements
Research Institutions	902 or 903	Adds advanced ion and DO analysis for in-depth studies
Water Treatment Facilities	900 or 904	Comprehensive suite including salinity, resistivity, and ORP
Pharmaceutical QC Labs	903	High-accuracy calibration and detailed calibration report support
Environmental Monitoring	904	Durable field performance with wide-range multi-parameter testing

✅ 🧪 Ideal For

Water treatment and purification labs
Environmental and agricultural research
Beverage and food industry testing
Industrial wastewater monitoring
Government and academic laboratories
Pharmaceutical and chemical quality control

✅ ❓ FAQ – Lab-Focused

Q: How is calibration done?
A: The device supports 1–5 point calibration across various buffer groups (USA, NIST, DIN, custom). pH and ion modes offer slope diagnostics for reliable calibration validation.

Q: Is the device GMP compliant?
A: While GMP compliance depends on your facility’s validation processes, the meter offers traceable calibration reports, data logging, and accuracy standards suitable for GMP documentation.

Q: How long is the warranty?
A: The AELAB Multiparameter Meter 9 Series comes with a 1-year manufacturer warranty covering parts and labor under normal use conditions.

Specifications :

Model			900	901	902	903	904
pH	Measuring Range	-2.000 - 20.000pH	•	•	•	•	—
	Accuracy	±0.002pH	•	•	•	•	—
	Calibration Points	1 - 5 points (USA, NIST, DIN or Custom)	•	•	•	•	—
mV	Measuring Range	±1999.9mV	•	•	•	•	—
	Accuracy	±0.2mV	•	•	•	•	—
	Calibration Points	1 point, only for relative mV mode	•	•	•	•	—
Ion	Measuring Range	0.001 - 19999ppm, mg/L, mol/L (Depending on range of ISE)	•	•	•	•	—
	Accuracy	±0.5% FS (Monovalent), ±1% FS (Divalent)	•	•	•	•	—
	Calibration Points	2 - 5 points	•	•	•	•	—
Conductivity	Measuring Range	0.01 - 20.00, 200.0, 2000μS/cm, 20.00, 200mS/cm	•	•	•	•	•
	Accuracy	±0.5% FS	•	•	•	•	•
	Calibration Points	1 - 5 points (10.0, 84.1413μS/cm, 12.88, 111.8mS/cm)	•	•	•	•	•
	Cell Constant	K=0.1, 1.0 or Custom	•	•	—	•	•
	Temperature Coefficient	Linear and Pure water compensation	•	•	•	•	•
	Reference Temperature	20°C or 25°C	•	•	•	•	•
TDS	Measuring Range	0 - 1000, 1000, 10000ppm, 10.00, 100ppt (Max. 200ppt)	•	•	•	—	•
	Accuracy	±1% FS	•	•	•	—	•
	TDS Factor	0.01 - 1.00 (Default 0.5)	•	•	•	—	•
Salinity	Measuring Range	0.00 - 80.00ppt, 0.00 - 42.00psu	•	•	•	—	•
	Accuracy	±1% FS	•	•	•	—	•
	Measurement Modes	Practical Salinity (psu) or Natural Seawater (ppt)	•	•	•	—	•
Resistivity	Measuring Range	0.00 - 20MΩ	•	•	•	•	•
	Accuracy	±1% FS	•	•	•	•	•
	Resolution	0.01, 0.1	•	•	•	•	•
DO	Measuring Range	0.00 - 20.00mg/L, 0.0 - 200.0% saturation	•	—	—	•	•
	Accuracy	±0.2mg/L, ±2.0%	•	—	—	•	•
	Calibration Points	1 or 2 points	•	—	—	•	•
	Barometric Pressure Correction	60.0 - 112.5kPa, 450 - 860mmHg	•	—	—	•	•
	Salinity Correction	0 - 50g/L	•	—	—	•	•
	Temperature Compensation	0 - 100°C, 32 - 212°F, Manual or Automatic	•	—	—	•	•
General	Memory	Stores up to 500 data sets	•	•	•	•	•
	Output Interface	USB communication interface	•	•	•	•	•
	Power Requirements	DC5V, using AC adapter, 220VAC/50Hz	•	•	•	•	•
	Dimensions and Weight	210(L)×188(W)×80(H)mm, 1.5kg	•	•	•	•	•

Model			900	901	902	903	904
pH	Measuring Range	-2.000 - 20.000pH	•	•	•	•	—
	Accuracy	±0.002pH	•	•	•	•	—
	Calibration Points	1 - 5 points (USA, NIST, DIN or Custom)	•	•	•	•	—
mV	Measuring Range	±1999.9mV	•	•	•	•	—
	Accuracy	±0.2mV	•	•	•	•	—
	Calibration Points	1 point, only for relative mV mode	•	•	•	•	—
Ion	Measuring Range	0.001 - 19999ppm, mg/L, mol/L (Depending on range of ISE)	•	•	•	•	—
	Accuracy	±0.5% FS (Monovalent), ±1% FS (Divalent)	•	•	•	•	—
	Calibration Points	2 - 5 points	•	•	•	•	—
Conductivity	Measuring Range	0.01 - 20.00, 200.0, 2000μS/cm, 20.00, 200mS/cm	•	•	•	•	•
	Accuracy	±0.5% FS	•	•	•	•	•
	Calibration Points	1 - 5 points (10.0, 84.1413μS/cm, 12.88, 111.8mS/cm)	•	•	•	•	•
	Cell Constant	K=0.1, 1.0 or Custom	•	•	—	•	•
	Temperature Coefficient	Linear and Pure water compensation	•	•	•	•	•
	Reference Temperature	20°C or 25°C	•	•	•	•	•
TDS	Measuring Range	0 - 1000, 1000, 10000ppm, 10.00, 100ppt (Max. 200ppt)	•	•	•	—	•
	Accuracy	±1% FS	•	•	•	—	•
	TDS Factor	0.01 - 1.00 (Default 0.5)	•	•	•	—	•
Salinity	Measuring Range	0.00 - 80.00ppt, 0.00 - 42.00psu	•	•	•	—	•
	Accuracy	±1% FS	•	•	•	—	•
	Measurement Modes	Practical Salinity (psu) or Natural Seawater (ppt)	•	•	•	—	•
Resistivity	Measuring Range	0.00 - 20MΩ	•	•	•	•	•
	Accuracy	±1% FS	•	•	•	•	•
	Resolution	0.01, 0.1	•	•	•	•	•
DO	Measuring Range	0.00 - 20.00mg/L, 0.0 - 200.0% saturation	•	—	—	•	•
	Accuracy	±0.2mg/L, ±2.0%	•	—	—	•	•
	Calibration Points	1 or 2 points	•	—	—	•	•
	Barometric Pressure Correction	60.0 - 112.5kPa, 450 - 860mmHg	•	—	—	•	•
	Salinity Correction	0 - 50g/L	•	—	—	•	•
	Temperature Compensation	0 - 100°C, 32 - 212°F, Manual or Automatic	•	—	—	•	•
General	Memory	Stores up to 500 data sets	•	•	•	•	•
	Output Interface	USB communication interface	•	•	•	•	•
	Power Requirements	DC5V, using AC adapter, 220VAC/50Hz	•	•	•	•	•
	Dimensions and Weight	210(L)×188(W)×80(H)mm, 1.5kg	•	•	•	•	•