Benchtop pH/ORP/lon Meter PH-930 Biobase

Benchtop pH/ORP/Ion Meter PH-930 Biobase

The PH-930 Benchtop pH/ORP/Ion Meter by Biobase is an advanced multi-parameter instrument designed for precise laboratory measurements. It combines pH, ORP, and ion concentration testing with multi-point calibration, automatic electrode diagnostics, and robust data management features. With selectable measurement units, USB connectivity, and expanded memory, the PH-930 is ideal for laboratories, research institutions, environmental monitoring, and industrial applications requiring high-accuracy water quality analysis.

Features

pH Measurement

1. 1 to 5-point calibration with automatic recognition of USA, NIST, and DIN buffers.

2. Automatic electrode diagnosis displaying slope and offset.

3. Automatic temperature compensation across the full measurement range.

4. Calibration due alarm reminds users to recalibrate regularly.

ORP Measurement

1. 1-point offset calibration for adjusting readings to a known standard.

2. Supports relative and absolute millivolt modes for reliable ORP analysis.

Ion Concentration Measurement

1. 2 to 5-point calibration with up to 8 selectable concentration points.

2. Direct ion concentration readout simplifies the measurement process.

3. Automatic electrode diagnosis shows calibration points and slope performance.

4. Selectable measurement units: ppm, mg/L, mol/L, mmol/L, with ionic valency input.

General Features

1. Auto-Read function senses stability and locks the measurement endpoint.

2. Setup menu allows customization of buffer sets, calibration points, resolution, stability criteria, units, date, and time.

3. Reset function restores all settings back to factory defaults.

4. Expanded memory stores or recalls up to 500 data sets.

5. USB communication interface allows easy data transfer and interval readings.

Applications

1. Laboratory pH, ORP, and ion concentration testing.

2. Environmental water quality monitoring in rivers, lakes, and wastewater.

3. Food, beverage, and pharmaceutical quality control requiring precise ion analysis.

4. Research and education laboratories for chemical, biological, and environmental studies.

Technical Specifications

pH

• Range: -2.000 ~ 20.000 pH

• Resolution: 0.1, 0.01, 0.001 pH (selectable)

• Accuracy: ±0.002 pH

• Calibration: 1 to 5 points

• Calibration solutions: USA, NIST, DIN, 2 custom buffers

ORP

• Range: ±1999.9 mV

• Relative mV range: ±1999.9 mV

• Resolution: 0.1 or 1 mV (selectable)

• Accuracy: ±0.2 mV

• Calibration: 1 point

Ion Concentration

• Range: 0.001 ~ 19999 ppm / mg/L / mol/L (depending on ISE)

• Resolution: 0.001, 0.01, 0.1, 1

• Accuracy: ±0.5% F.S. (monovalent), ±1% F.S. (divalent)

• Calibration: 2 to 5 points

• Calibration standards: 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000

Temperature

• Range: 0 ~ 105°C / 32 ~ 221°F

• Resolution: 0.1°C / 0.1°F

• Accuracy: ±0.5°C / ±0.9°F

• Offset calibration: 1 point, ±10°C

• Compensation: 0 ~ 100°C, manual or automatic

Other Specifications

• Stability criteria: selectable low or high

• Calibration due alarm: 1 to 31 days or off

• Slope/offset display: available

• Hold function: manual or auto-endpoint

• Memory: 500 data sets

• Data interface: USB

• Connectors: BNC, 3.5 mm jack socket

• Display: custom LCD (125 × 100 mm)

• Power supply: DC5V adapter

• Dimensions: 210 × 188 × 60 mm

• Net weight: 1.5 kg

• Package size: 310 × 240 × 180 mm

• Gross weight: 1.7 kg

Accessories Included

1. E201-BNC plastic-body pH electrode

2. Temperature probe

3. pH buffer sachets

4. Electrode holder

5. DC5V power adapter

Conclusion

The Biobase PH-930 Benchtop pH/ORP/Ion Meter is a versatile and precise multi-parameter laboratory instrument. With high-resolution measurements, multi-point calibration, advanced diagnostics, and comprehensive ion concentration capability, it is well-suited for demanding laboratory, industrial, and environmental water quality applications. Its expanded memory and USB connectivity provide additional convenience for data management and reporting.