Introduction

Automatic Density Meter offers a density resolution of 0.0001g /cm³, detecting minute changes in frequency proportional to density variations. The system has real-time bubble detection, preventing measurement errors and accurate density results. It includes a built-in automatic sampling pump, minimizing contamination risk by isolating the sample from pump components. Our automatic density meter features video camera technology for visual detection and elimination of bubbles during U‑tube filling.

This density meter is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Automatic Density Meter is a self-operating device that continuously measures the density of liquids. It plays a key role in petrochemical, oil refining, pharmaceuticals, metallurgy, battery manufacturing and water treatment in quality control of different products.

Specifications

Measuring Range 0.001 g/cm³ to 3g /cm³
Density Resolution ± 0.001 g /cm³
Repeatability ± 0.0008 g /cm³
Accuracy ± 0.0008 g /cm³
Test Range 0 to 3g /cm³
Injection Method Fully Automatic
Temperature Control Mode Peltier control temperature
Temperature Control Range 5℃ to 45℃
Temperature Control Stability ± 0.02°C
Video Function Yes
Display Screen 10.4 color touch screen
Data Storage 32 GB
Output Method Standard: RS232. RJ 45, SD card, U disk, can be customized
Power Supply 110 to 230 V 50 Hz / 60 Hz
Dimensions (L× W× H) 480mm × 320mm × 200mm
Weight 8 kg

Features

Built-in Injection Pump

Automatic Sampling Mode

High-Precision Detection Technology 

Peltier Temperature Control

Wide Measurement Range

 

FAQs

1. What sample types and industries are supported in automatic density meter ?

. Automatic Density Meter A12 handles a wide range of samples—from water-based solutions to hydrocarbons, solvents, alcohols, oils, flavors, and pharmaceuticals. Designed for QC, R&D, and production environments, it supports applications like testing, beverage alcohol concentration, fuel quality checks, and chemical formulations. Capable of both automatic and manual injection, it adapts to diverse workflows and sample viscosities. Industries like petrochemicals, brewing, pharma, cosmetics, and academic labs rely on similar meters.

2. How easy is data handling and integration in automatic density meter ?

It supplies premium automatic density meter . Equipped with onboard memory (32–64?GB), the meter stores extensive data logs, complete with timestamps, user IDs, and audit trails. Data export supported through , RS 232, Wi Fi, and U disk enables , Excel, and compatible formats. Features like electronic signatures, multi-level access, and encrypted data support regulatory need. ports and network interfaces make it easy to connect with PCs or printers, enhancing lab automation and traceability.

3. What maintenance and calibration are required over time in ?

Routine calibration using certified standards (e.g., air & water or multiple density liquids) is recommended—typical intervals range from monthly to quarterly. Periodic cleaning, particularly of the U tube, ensures accurate oscillation and avoids sample build-up. Bubble sensors and temperature control systems should be checked during preventative maintenance. Manufacturers like Rudolph offer service plans with calibration, repair, and warranty coverage for decades. Regular firmware updates may further optimize measurement stability and feature sets.

4. How does the automatic density meter - A12 achieve such high measurement precision?

automatic density meter A12 uses the widely respected oscillating U tube method, where the vibration frequency of a U shaped glass tube varies with sample density. Modern density meters often incorporate viscosity correction and use reference oscillators to ensure stability across different sample types and conditions. The Peltier temperature control maintains stability, which is critical because even small temperature changes can affect density readings by parts per million. Bubble detection systems like Filling Check ensure that trapped air doesn’t skew results These combined technologies allow sub ppm accuracy and exceptional reproducibility.

5. How does automatic sampling work and what are its advantages in ?

automatic density meter A12 features a built-in automatic sampling pump, enabling programmable filling and rinsing cycles for seamless, hands-free operation. This ensures consistent sample handling, reducing operator variability and contamination risk. You can adjust sample volume and flow rate via the touchscreen interface to suit different fluids. Automatic sampling speeds up throughput, which is especially useful in QC or high-volume workflows. Manual sampling is also supported if needed. Combined with touchscreen guidance, this supports simple operation with minimal training. Fully automated routines improve reproducibility and lab productivity.

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