1. Application
- Measures pH, acidity, or alkalinity of aqueous solutions
- Suitable for field testing, research labs, water testing, soil analysis, and educational experiments
- Used in chemical, pharmaceutical, food, dairy, and environmental laboratories
- Ideal for quick, portable, and accurate pH measurements outside of benchtop setups
2. Compliance Standard
- ISO 9001 certified manufacturing
- CE / RoHS certified
- ASTM D1293 (for pH measurement in aqueous solutions)
- EPA / ISO 10523 for water and environmental testing
- GLP-compliant for laboratory quality assurance
3. Product Description
A Handheld pH Meter is a portable electronic device for pH measurement:
- Compact, lightweight, and battery-operated
- Digital display (LCD) for easy reading
- Equipped with pH electrode (glass or combination type)
- Automatic or manual temperature compensation (ATC / MTC)
- Fast response and simple calibration (1–3 points)
4. Technical Specifications
|
Parameter |
Specification |
|
Measurement Range |
pH 0–14 |
|
Resolution |
0.01 pH |
|
Accuracy |
±0.01 to ±0.02 pH |
|
Temperature Range |
0–60°C (typical; probe-dependent) |
|
Temperature Compensation |
Automatic (ATC) or manual (MTC) |
|
Electrode Type |
Glass combination electrode (replaceable) |
|
Display |
LCD, often with backlight |
|
Calibration |
1–3 points using standard buffer solutions |
|
Power Supply |
2–4 × 1.5 V batteries (AAA or AA) |
|
Response Time |
≤ 5 seconds |
|
Housing Material |
ABS / Plastic, splash-proof or waterproof (IP65) |
|
Storage |
Store electrode in storage solution when not in use |
5. Apparatus is Supplied
- Handheld pH meter
- pH combination electrode
- Electrode storage solution
- Calibration buffer solutions (pH 4.01, 7.00, 10.00)
- Protective carrying case
- Instruction manual
6. Optional Accessories
- Replacement pH electrodes (specialized, e.g., high-temperature, low ionic strength)
- Portable calibration kits
- Magnetic stirrer for stable solutions
- Protective silicone sleeve or waterproof cover
- Data logging kit with USB or Bluetooth connectivity
7. Common Capacities / Models Available
- Single-parameter pH meter: pH only, portable, battery-operated
- Multiparameter handheld: pH + temperature ± mV, portable
- Waterproof field models: For outdoor or industrial use
8. Dimensions & Weight (Approx.)
|
Model |
Dimensions (H × W × D) mm |
Approx. Weight (g) |
|
Basic handheld |
180 × 50 × 25 |
100–120 |
|
Multiparameter |
200 × 60 × 30 |
150–180 |
|
Rugged waterproof |
210 × 65 × 35 |
180–200 |
9. Safety & Handling
- Rinse electrode with distilled water after each measurement
- Store electrode in storage solution when idle
- Avoid immersion of electronic housing in liquids
- Replace batteries safely to prevent leakage
- Handle glass electrodes carefully to prevent breakage