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Digital Density Meter DA-860/DA-850/DA-840

  • Digital Density Meter DA-860/DA-850/DA-840
  • Digital Density Meter DA-860/DA-850/DA-840
  • Digital Density Meter DA-860/DA-850/DA-840
Model No.︰DA-860/850/840
Brand Name︰KEM
Country of Origin︰Japan
Unit Price︰-
Minimum Order︰1 pc
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Product Description

Density/Specific Gravity Meter DA-860/850/840

Features

The instrument employed resonant frequency oscillation method can measure the density/specific gravity in liquid samples, and concentration of the sample using a conversion table or formulas. The required minimum sample volume is approximately 1mL when sample solution is injected manually, and the shortest measurement time is approximately 10 seconds when the viscosity correction function is disabled and the sample temperature is stable.
Data integrity (DI) support functions are equipped as standard to help maintain and manage your valuable data. The interface has been enhanced to support a variety of uses, such as a separate structure for the operation unit (tablet/PC) and measurement unit, wireless LAN connection, and connection of multiple units.
The instrument has a space-saving design and can be integrated with a semiautomatic cleaning unit (optional). Also included is a camera for viewing inside the measurement cell, improving reliability, convenience, and efficiency.

・DI support functions are included as standard
The following features are included as a standard for Data Integrity.
・User authentication : Authentication by personal ID and password is possible.
・Authority management: Possible to set authority such as editing restriction by personnel.
・Audit trail: Possible to automatically record operating history.
・Digital signature: Possible to perform electronic certification and digital signature by workflow.
・Back up/Restore/Archive: Automatic back up function in every optional period.

・Separate operation unit and measurement unit
・The measuring unit can be placed in a fume hood and operated remotely from outside the fume hood.
・The unit can be operated remotely from a separate location via a wireless LAN connection (optional).

・Semiautomatic cleaning unit
・The semiautomatic cleaning unit (optional) is a space-saving design integrated into the measurement unit and enables automatic measurement including drainage, washing, and drying.

•High reliability
1) KEM is the only manufacturer in Japan of standard liquids that conform to ISO17034, which is traceable to national standards.
2) KEM oscillation-type density meters are calibrated with international MRA*1-compliant and ISO17025-compliant JCSS*2 laboratory density standards, which are traceable to international standards in the world.
 *1 Mutual Recognition Arrangement
 *2 Japan Calibration Service System
3) High accuracy (DA-860: 3×10-6 g/cm3)
  High repeatability (DA-860: 1×10-6 g/cm3)
  High reproducibility (DA-860: 2×10-6 g/cm3)

•Equipped with a camera for viewing the measurement cell
1) Improved visibility of the measurement cell.
2) Image inside the measurement cell at the end of measurement can be saved to check the sample status.

•Short measurement time
1) The new stability mode developed by improving the conventional algorithm was added to shorten the measurement time.
2) The shortest measurement time is approx. 10 sec when the temperature is stable.

•Multiple management by a single operation unit
Multiple measurement units (max. 4 units) can be operated simultaneously by a single operation unit and the data can be managed comprehensively. (optional)

Specifications
Type: Density/Specific Gravity Meter
Model: DA-860/DA-850/DA-840
Measurement Method: Resonant frequency oscillation
Measurement Range: 0 to 3 g/cm3
Temperature Range*1: 0 to 100°C (32 to 212°F)
Accuracy: Density*2: DA-860: 0.000003 g/cm3   
                        DA-850: 0.00001 g/cm3
                        DA-840: 0.00005 g/cm3
Temperature: DA-860: ±0.02℃ (±0.04° F)
              DA-850:±0.03℃ (±0.05° F)
           DA-840:±0.05℃ (±0.09° F)
Repeatability*2: Density: DA-860: 0.000001 g/cm3
                               DA-850: 0.000005 g/cm3
                               DA-840: 0.00005 g/cm3
Reproducibility*2: Density: DA-860: 0.000002 g/cm3
                                  DA-850: 0.000005 g/cm3
                                  DA-840: 0.00005 g/cm3
Interfaces: LAN, USB, RS-232C
Power Supply: AC100 to 240V; 50/ 60Hz (Comes with AC adapter)
Power Consumption: 40W (max. 120W, min.20W)
Dimensions: 295 (W) x 330 (D) x 255 (H) mm (11.6 (W) x 13.0 (D) x 10.0 (H) inches) 
Weight: 19 kg (42 lbs)

*1: The above accuracy is guaranteed in the temperature range of 0 to 90°C with all series.
*2: According to ISO 5725 under ideal conditions.

Density / Specific Gravity Meter ︰Density / Specific Gravity Meter DA-860/DA-850/DA-840
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