9. Additional Information
77
DA-650/-645/-640
9-4. Specifications
Specifications of three models: DA-650, DA-645 and DA-640.
Model
DA-650 (5-place)
DA-645 (4.5-place)
DA-640 (4-place)
Measurement Method
Resonant frequency oscillation
Measurement Range
0 ~ 3 g/cm
3
Temperature Range
0 ~ 90 °C (32 ~ 194 °F)
around 1.0 g/cm
3
±2×10
-5
g/cm
3
around 1.5 g/cm
3
±4×10
-5
g/cm
3
around 1.0 g/cm
3
±5×10
-5
g/cm
3
around 1.5 g/cm
3
±1×10
-4
g/cm
3
±1×10
-4
g/cm
3
Density
(Calibration with air and water required.)
Accuracy
*1
Temp
±0.02°C/±0.04°F
(10~30°C/50~86°F)
±0.05°C/±0.09°F
(0~90°C/32~194°F)
±0.03°C/±0.05°F
(10~30°C/50~86°F)
±0.05°C/±0.09°F
(0~90°C/32~194°F)
±0.05°C/±0.09°F
(0~90°C/32~194°F)
Repeatability
*2
Density
SD 5×10
-6
g/cm
3
SD 1×10
-5
g/cm
3
SD 5×10
-5
g/cm
3
Minimum Sample Required
1) Approx. 1.2mL (Syringe)
2) Approx. 2.0mL (Pump)
Measurement Time
1) 1 to 4 mins (Manual)
2) 2 to 10 mins (Auto)
Display
1) 5.7-inch colour TFT LCD; VGA (640×480)
2) Shows density, SG, oscillation frequency, temp, concentration, And other
messages.
Viscosity Correction
Yes
Sampling
1) Manual by syringe
2) Auto by peristaltic pump
*2
Method
Saves up to 100 different methods in built-in memory including measurement
parameters, density auto correction, concentration conversion, etc.
Stability
Four modes of stability according to measurement accuracy and time.
Density Auto Correction
1) Saves conversion table or formula at your desired temperatures according to
your samples.
2) Temperature conversion table preprogrammed according to ASTM standard for
petroleum, petroleum products and lubricating oils.
Auto Conversion
1) Between concentration and density.
2) Between temperature and density.
Statistics
1) Auto or manual calculation of mean value, SD and coefficient.
2) Recalculation, data deletion.
Interfaces
1) LAN:
× 1; Personal computer (PC)
2) USB 1.1: × 2; USB flash drive, keyboard, barcode reader, Epson inkjet printer
*3
,
Thermal Printer
3) RS-232C: × 2; Dot Matrix Printer, Auto Clean and Sampling Unit,
Multiple Sample Changer
Options
1) Printer:
DP-600, IDP-100
2) Sampling Unit, Changer: DCU-551N/H, CHD-502N/H/C
3) Software:
SOFT-CAP (Data Capture Software)
Data I/O
1) USB flash drive as data storage medium.
2) Application Notes provided in USB flash drive.
Wetted Materials
PTFE, borosilicate glass, SUS304
Ambient Conditions
1) Temperature : 5 ~ 35 °C (41 ~ 95 °F)
2) Humidity
: 85%RH or below (No condensation allowed.)
Power Supply
DC 24V 5A (Main Unit)
AC 100 ~ 240 V; 50/60 Hz (Comes with AC adapter.)
Power Consumption
40 W (max. 120 W, min. 20 W)
Содержание DA-640
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