Digital density meter for petroleum products

Digital density meter for petroleum products
Digital density meter for petroleum products

Digital density meter for petroleum products

It is recommended to use a digital densitometer for density testing of petroleum products, which is faster, more accurate, and has better repeatability than using a specific gravity bottle and a constant temperature bath for testing.

Digital density meter for petroleum products DA-650/DA-645/DA-640/DA-100/DA-130N:

Digital density meter for petroleum products DA-650/DA-645/DA-640/DA-100/DA-130N
Principle:
This standard specifies the method for determining the density of crude oil and petroleum products using a U-shaped vibrating tube densitometer. This standard is applicable to raw materials that can be processed into single-phase liquids under test temperature and pressure, with a density range of 600-1100kg/m3

Oil and petroleum products.
Inject a small amount of sample (usually less than 1mL) into a temperature controlled sample tube, record the vibration frequency or period, and calculate the density of the sample using the previously obtained sample tube constant. The constant of the sample tube is filled with a known density standard using the sample tube

The vibration frequency during liquid fixation is determined.

Digital density meter for petroleum products DA-650/DA-645/DA-640/DA-100/DA-130N
Main features:

1. The density meter has high measurement accuracy, fast measurement speed, and small sample size.
2. Automatic viscosity correction function, no need to input the viscosity value of the sample.
3. Built in sample pump, automatic sampling, cleaning, and drying measuring cell.
4. High brightness LED background light source, convenient for direct observation of the measurement cell.
5. Smooth joint, no bubbles or pollution, easy to clean.
6. Input the density and concentration comparison table and convert the concentration of the sample.
7. Optional injection/cleaning device or multi sample automatic injection device.
8. The densitometer can be connected to an external refractometer to simultaneously measure density and refractive index.
9. Compliant with GLP regulations, store results, inspection and calibration records.

Petroleum Product Digital Density Meter DA-650/DA-645/DA-640/DA-100/DA-130N Technical Parameters:

Digital Density Meter DA-650 for Petroleum Products
Measurement range: 0-3 g/cm3.
Temperature measurement: 0-90 ° C (32-194 ° F), with built-in Peltier temperature control.
Accuracy: Density: ± 2x10-5 g/cm3, Temperature: ± 0.02 ° C.
Repeatability: Density: SD 5x10-6 g/cm3.

Digital Density Meter DA-645 for Petroleum Products
Measurement range: 0-3 g/cm3.
Temperature measurement: 0-90 ° C (32-194 ° F), with built-in Peltier temperature control.
Accuracy: Density: ± 5x10-5 g/cm3, Temperature: ± 0.03 ° C.
Repeatability: Density: SD 1x10-5 g/cm3.

Digital Density Meter DA-640 for Petroleum Products
Measurement range: 0-3 g/cm3.
Temperature measurement: 0-90 ° C (32-194 ° F), with built-in Peltier temperature control.
Accuracy: Density: ± 1x10-4 g/cm3, Temperature: ± 0.05 ° C.
Repeatability: Density: SD 5x10-5 g/cm3.

Test method: U-shaped vibration tube method.
Sample requirements: manual injection of about 1mL, automatic pump injection of about 2mL.
Measurement time: 1-4 minutes for manual operation, 2-10 minutes for automatic program.
Display: A 5.7-inch TFT LCD display that displays density, specific gravity, relative density, vibration frequency, temperature, concentration, and measurement information.
Viscosity correction: Automatic viscosity correction function.
Injection method: manual injection by syringe or automatic sampling by built-in injection pump.
Measurement pool inspection function: automatically checks the dryness of the measurement pool, and the pump automatically stops when the measurement pool is dry.
Measurement method: Store 100 sets of measurement methods, including measurement parameters for each sample.
Stability assessment: Adjust in four stages based on measurement accuracy and time.
Concentration conversion: Input density and concentration table or conversion formula to automatically convert concentration values.
Temperature compensation: Input density and temperature tables or conversion formulas to automatically perform temperature compensation.
Statistical calculation: automatically or manually calculate the mean, standard deviation, and relative standard deviation.
Interface: LAN, USB 1.1, RS-232C.
Power supply: AC100~240V, 50/60HZ, 40W.
Size: 320 (W) x362 (D) x272 (H) mm.
Weight: 18kg.

Kyoto Electronics Corporation (KEM) digital density meter/specific gravity meter model:
DA-650 desktop digital density meter/specific gravity meter: accuracy: ± 0.00002g/cm3.
DA-645 desktop digital density meter/specific gravity meter: accuracy: ± 0.00005g/cm3.
DA-640 desktop digital density meter/specific gravity meter: accuracy: ± 0.0001g/cm3.
DA-100 desktop digital density meter/specific gravity meter: accuracy: ± 0.001g/cm3.
DA-130N portable density meter/specific gravity meter: accuracy: ± 0.001g/cm3.

Standard method for digital density meter of petroleum products:

SH/T 0604-2000 Determination of Density of Crude Oil and Petroleum Products (U-tube Method)
SN/T 2383-2009 Determination of Density and Relative Density of Liquid Chemicals - Digital Density Meter Method.
GB 23971-2009 Organic heat carriers (quality index: density).
GB 24747-2009 Safety Technical Conditions for Organic Heat Carriers (Quality Index: Density).
SH/T 0729-2004 Calculation method for carbon distribution and structural group composition of petroleum fractions (n-d-M method).

ASTM D4052 Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter ( Test method for determining density and relative density of liquids using a digital densitometer
ASTM D5002 Standard Test Method for Density and Relative Density of Crude Oils by Digital Density Analyzer ( Testing method for crude oil density and relative density using digital density analyzer
ISO 12185-1996 Crude petroleum and petroleum products-Determination of density-Oscillating U-tube method ( Crude oil and petroleum products - Determination of density - Oscillatory U-tube method