GDF-1 Limestone Powder Content Tester

 

Purpose:

The instrument is designed and made as per the National Standard GB/T14684-2001 “Specification for Sand Used in Construction”. It is used to determine limestone powder in the mineral laboratory of construction and traffic departments. It is composed of electric stirring device, automatic controller for speed and time, and graduated cup holder.

According to the National Standard GB/T14684-2001, the users can select:

1. Methylene Blue MB Value Methods;

2. Methylene Blue Rapid Methods;

The instrument adopts microprocessor techniques to make determination as the selected methods and digitally show time and rotation speed.

 

Technical parameters

1. Stirring speed: 600±60 RPM; 400±40 RPM;

2. Timing device: the maximum is 90 minutes; its resolution is 1 second;

3. Speed measurement error: ±2 RPM;

4. Stirring blade: Φ75±10mm;

5. Cubage of glass bottle: 1 L;

6. Automatic control function: you can select methylene blue MB value methods or methylene blue Rapid methods