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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
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