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Portable pH Meter LMPH-402 is a versatile device that can monitor pH, mV, relative mV and temperature when paired with the appropriate probe. It is an excellent meter for a variety of applications and advanced pH analysis in the field. Calibration can be performed up to 5 points, and 500 data point sets can be stored. Calibration and data logs can be easily transferred via USB. A custom LCD displays the parameters operating in the 0 - 105°C temperature range.
Specifications
| pH | -2.00 - 20.000 pH, 0.001, 0.01, 0.1pH, selectable, ±0.002pH, 1 to 5 points, USA, NIST, DIN, 2 custom buffers |
| ORP | ±1999.9mV, ±1999.9mV, 0.1, 1mV, selectable, ±0.2mV, 1 point |
| Temperature | 0 - 105°C/32 - 221°F, 0.1°C/0.1°F, ±0.5°C/±0.9°F, 1 point, reading ±10°C |
| Temperature Compensation | 0~100°C, manual or automatic |
| Stability Criteria | Low or high |
| Calibration Due Alarm | 1 to 31 days or off |
| Slope/Offset Display | Yes |
| Hold Function | Manual or auto-endpoint |
| Auto-Off | 10, 20 or 30 minutes after last key pressed |
| Memory | 500 data sets |
| Communication Interface | USB |
| Connector | BNC, 3.5 mm jack socket |
| Display | Custom LCD (80 × 60 mm) |
| Battery Life | Approximately 150 hours (Turn off the )backlight |
| Power Requirements | 3 1.5V AA batteries or DC5V power adapter |
| Dimensions (L×W×H) | 170×85×30 mm |
| Weight | 300 g |
Pricing
| Product | Price | Unit | Action |
|---|---|---|---|
| Portable PH Meter LMPH-402 | $ 1687.5 | Pack of 1 |
Features
1 to 5 points calibration with automatic recognition for USA, NIST and DIN buffers
Automatic electrode diagnosis shows the pH slope and offset
Automatic temperature compensation ensures accurate readings over the entire range
Calibration due alarm prompts user to calibrate the meter regularly
Relative and absolute millivolt modes ensure the reliable ORP measurements
Auto read function senses and locks the measurement end point
Setup menu allows setting the pH buffer set, number of calibration points, temperature unit, auto-power off, etc
Reset function automatically resumes all setting back to the factory defaults
Expanded memory stores or recalls up to 500 data sets
USB communication interface for data transfer or connecting a power adapter to meter
Auto power off effectively conserves battery life
Multi-mode power scheme
Ensures durable, rugged performance in outdoor environments
Applications
pH meters are vastly used in various applications such as food and beverage industries, analysis of quick nutrients availability, hydroponics, pH measurement of soil 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.