| Type | Density / Specific Gravity Meter |
| Model | DA-650/645/640 |
| Measurement Method | Resonant frequency oscillation |
| Measurement Range | 0~3 g/cm3 |
| Measurement Temp Range | 0 - 96℃ (32 - 204.8°F) |
| Accuracy*1 | Density : ・DA-650 : ±2 x 10-5/gcm3(±0.00002 g/cm3) ・DA-645 : ±5 x 10-5g/cm3(±0.00005 g/cm3) ・DA-640 : ±1 x 10-4g/cm3(±0.0001 g/cm3) (Calibration with air and water required.) Temp : ・DA-650 : ±0.02°C(±0.04° F) ・DA-645 : ±0.03°C(±0.05° F) ・DA-640 : ±0.05°C(±0.09° F) |
| Repeatability*2 | Density : ・DA-650 : SD 5 x 10-6g/cm3 ・DA-645 : SD1 x 10-5g/cm3 ・DA-640 : SD 5 x 10-5g/cm3 |
| Minimum Sample Required | 1) Approx. 1mL (Syringe) 2) Approx. 2mL (Pump) |
| Measurement Time | 1) 1 to 4 mins (Manual) 2) 2 to 10 mins (Auto) |
| Display | 1) 5.7-inch colour TFT LCD; 640 x 480 2) Shows density, specific gravity, oscillation frequency, temperature, concentration and other messages. |
| Viscosity Correction | Yes |
| Sampling | 1) Manual by syringe 2) Auto by peristaltic pump |
| Method | Saves up to 100 different methods in built-in memory |
| 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 programmed 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: x 1; Personal computer (PC) 2) USB 1.1: x 2; USB flash drive, keyboard, barcode reader, Epson inkjet printer *3 3) RS232C: x 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 Acquisition 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℃ (41℃ - 95°F) 2) Humudity : 85%RH or below (No condensation allowed) |
| Power Supply | AC100 – 240V; 50/ 60Hz (Comes with AC adapter) |
| Power Consumption | 40W (max. 120W, min.20W) |
| Dimensions | 320 (W) x 365 (D) x 250 (H) mm (12.6 (W) x 14.4 (D) x 9.8 (H) inches) |
| Weight | 18kg (39.7Ibs) |
| Export Packing in Double Carton Box | G/W 21kg; 540 (W) x 480 (D) x 460 (H) mm (G/W 46.3Ibs; 21.3 (W) x 18.9 (D) x 18.1 (H) inches) (May vary in some cases) |