Reliable Measurement for Routine Laboratory Analysis
Laboratory meters for accurate pH, conductivity and TDS measurement across research, quality control, water testing and industrial laboratory applications. TBT Scientific offers practical measurement solutions for laboratories requiring reliable day-to-day analysis with straightforward operation.
Benchtop Accuracy
±0.01 pH & 0.5% FS Conductivity
Our Laboratory Measurement Solutions
Engineered for demanding quality-control labs, academic research institutions, and industrial liquid analysis.
Laboratory pH Meters
Reliable pH measurement solutions for routine laboratory analysis, research and quality-control applications. Available configurations are suitable for different sample matrices, buffer sets, and laboratory environments.
Conductivity & TDS Meters
Laboratory conductivity and TDS meters for measuring ionic conductivity and dissolved solids across water, environmental, and industrial applications. Instruments are selected according to required measurement range and sample conductivity levels.
Choosing the Right Laboratory Meter
Match the instrument to your measurement. The appropriate meter depends on the parameter being measured, sample conductivity, accuracy tolerance, and compliance standards.
| Measurement Requirement | Recommended Instrument | Standard Range / Sensitivity | Ideal Application |
|---|---|---|---|
| Acidity / Alkalinity Testing | Benchtop pH Meter | 0.00 – 14.00 pH (±0.01 pH) | Chemical synthesis, buffer preparation, routine quality control |
| Water Ionic Conductivity | Conductivity Meter | 0.01 µS/cm – 200 mS/cm | Purified water, RO permeate, environmental river monitoring |
| Dissolved Solids Measurement | TDS Meter | 0.1 ppm – 100 ppt | Drinking water quality, boiler water, agricultural salinity |
| Routine Multi-Parameter Water Testing | Combined Cond / TDS Meter | Auto-ranging conductivity & TDS | Wastewater effluents, plant incoming water, municipal supplies |
| Regulated Quality Assurance | High-Precision pH / mV System | ±0.002 pH with GLP data memory | Pharmaceutical release testing, pharmacopeial compliance |
5 Key Factors to Consider Before Selecting:
Measurement Range
Select an instrument and cell constant (K) calibrated specifically for your expected values—from ultrapure water to brine solutions.
Accuracy & Resolution
Determine whether your facility requires standard 0.01 pH precision or research-grade 0.001 pH high-resolution stability.
Electrode / Sensor Choice
Selecting the right junction, reference electrolyte, and glass bulb composition is critical for viscous, oily, or low-ionic samples.
Temperature Compensation
Electrochemical readings drift significantly with temperature. Automatic Temperature Compensation (ATC) ensures reliable readings.
Calibration Buffers & Standards
Verify that the meter supports automated recognition of your laboratory's standard buffer sets (USA, NIST, or DIN).
Electrodes, Sensors & Accessories
Supporting your complete measurement system. High accuracy depends on the combination of a quality meter and the correct electrochemical sensor.
Combination pH Electrodes
General purpose glass body, spear-tip electrodes for food/semi-solids, and flat-surface probes for surface pH testing.
Conductivity Cells
Platinum 2-pole and 4-pole conductivity cells with selectable constants (K=0.1 for pure water, K=1.0 for general water, K=10 for saline).
Temperature Probes
Stainless steel ATC temperature probes providing fast thermal response and reliable digital compensation from 0 to 100°C.
Buffers & Standards
Traceable pH buffer solutions (pH 4.01, 7.00, 10.01), conductivity calibration standards, and 3M KCl electrode storage solutions.
Applications Across Industries
Where TBT Scientific electrochemical meters provide dependable daily testing data.
Water & Environmental
pH, conductivity, and dissolved solids measurement for drinking water purification, wastewater treatment, and river monitoring.
Pharmaceutical Labs
Strict pharmacopeia testing of purified water (WFI), formulation pH adjustment, and documented QC release testing.
Food & Beverage
Acidity measurement in dairy, fruit juices, beer brewing, sauces, and monitoring process clean-in-place (CIP) conductivity.
Chemical Manufacturing
Routine chemical synthesis monitoring, acid/base titrations, bath concentrations, and plating solution maintenance.
Research & Education
Academic chemistry teaching practicals, biochemical buffer preparations, and environmental research field samples.
Industrial Quality Control
Cooling tower water management, boiler feed water conductivity, textile processing baths, and raw material verification.
Need Help Selecting a Laboratory Meter?
Tell our measurement specialists your parameters, sample type, and laboratory environment. We will recommend the optimal meter and electrode combination.