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Portable pH Meter LMPH-403 provides –2.000 to 20.000 pH range with selectable 0.001 resolution. Integrated with ion concentration range 0.001 to 19999, supporting multiple units like ppm, mg/L, mmol/L. It features one-point calibration ensuring faster setup while maintaining stable performance across different testing environments. Equipped with a wide LCD interface, it delivers clear visibility and effortless operation for professionals. Our Portable pH Meter incorporates memory capacity storing 500 data sets for reliable record management.
Specifications
| PH Measurement Range | -2.000 to 20.000 pH |
| PH Resolutions | 0.001, 0.01, 0.1 pH, selectable |
| PH Accuracy | ±0.002 pH |
| PH Calibration | 1 to 5 points |
| PH Buffer Options | USA, NIST, DIN, 2 custom buffers |
| Ion Measurement Range | 0.001 to 19999 (depends on ISE range) |
| Ion Resolution | 0.001, 0.01, 0.1, 1 |
| Ion Accuracy | ±0.5% F.S. (monovalent), ±1% F.S. (divalent) |
| Ion Measurement Units | ppm, mg/L, mol/L, mmol/L |
| Ion Calibration | 2 to 5 points |
| Ion Calibration Solutions | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 |
| ORP Mv Range | ±1999.9 mV |
| ORP Relative Mv Range | ±1999.9 mV |
| ORP Resolution | 0.1, 1 mV, selectable |
| ORP Accuracy | ±0.2 mV |
| ORP Calibration | 1 point |
| Temperature Range | 0 to 105°C / 32 to 221°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy | ±0.5°C / ±0.9°F |
| Temperature Offset Calibration | ±10°C, 1 point |
| Temperature Compensation | 0 to 100°C, manual or automatic |
| Type | Portable |
| Interface | LCD |
| Display | Custom LCD (80 × 60 mm) |
| Stability Modes | Low or high |
| Calibration Alarm | 1 to 31 days or off |
| Slope/Offset Display | Yes |
| Hold Function | Manual or auto-endpoint |
| Auto Power-Off | 10, 20, or 30 minutes after last key press |
| Memory Capacity | 500 data sets |
| Communication Interface | USB |
| Connectors | BNC, 3.5mm jack socket |
| Battery Life | 150 hours (with backlight off) |
| Power Supply | 3 × 1.5V AA batteries or 5V DC adapter |
| Dimension (L×W×H) | 170 × 85 × 30 mm |
| Net Weight | 300 g |
Pricing
| Product | Price | Unit | Action |
|---|---|---|---|
| Portable pH Meter LMPH-403 | $ 1800 | Each of 1 |
Features
Self-power-off function
Auto-read capability
Compatible with standard buffers
Alarm reminder
USB interface
Standard Accessories
| Model No. | Accessory |
| LMPH-403-T1 | Temperature probe |
| LMPH-403-P1 | pH electrode |
| LMPH-403-B1 | pH buffer solutions (4.01/7.00/10.01) |
Applications
Portable pH Meter LMPH-403 is ideal for monitoring water quality, detecting contamination, performing pH and ion testing in laboratories, food and beverage industries, hydroponics, soil analysis and other soluble solutions.
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Frequently Asked Questions
1 What is a Portable pH Meter?
A Portable pH Meter is an apparatus designed to measure the pH level (acidity or alkalinity) of a solution, making it ideal for on-the-go testing in various environments.
2 How does Portable pH Meter work?
It works by using a glass electrode to detect hydrogen ion activity in a solution, converting that activity into a pH reading displayed on the device screen.
3 Can Portable pH Meter be used in agriculture?
It is widely used in agriculture to test soil pH, helping farmers manage crop nutrition and optimize fertilizer application.
4 Can Portable pH Meter be used in pharmaceutical manufacturing?
It is commonly used in pharmaceutical manufacturing to ensure that raw materials and final products meet strict pH specifications for safety and effectiveness.
5 How is Portable pH Meter used in chemical manufacturing?
It is used in chemical manufacturing to monitor reaction conditions, neutralization processes, and effluent pH to ensure safety and process control.
6 Is Portable pH Meter applicable in forensic science or crime labs?
It is applied in forensic science to test chemical residues, unknown liquids, or bodily fluids during field investigations or lab analysis.
7 Is Portable pH Meter applicable in textile processing?
It is used in textile processing to control the pH of dye baths, washing solutions, and fabric finishing processes to avoid color fading and fabric damage.
8 How does Portable pH Meter assist in environmental disaster response?
It is essential during environmental emergencies like chemical spills or oil leaks to test water and soil pH for toxicity and cleanup planning.
9 Can Portable pH Meter be used in desalination plants?
It is commonly used in desalination plants to monitor input and output water pH during reverse osmosis and filtration stages.
10 How is Portable pH Meter used in industrial fermentation processes?
It is essential in industrial fermentation to track pH in real time, which is critical for optimizing microbial activity and product yield.