Operating instructions

METTLER TOLEDO DE40/50/51 Density Meter 91

Specifications

Type and model name Digital density meter DE40, DE50, DE51

Measuring method Oscillating U-tube

Density DE40 DE50, DE51

Measuring range d 0.0001 to 3 g/cm

0.00001 to 3 g/cm

Limit of error d 1 x 10

-4

2 x 10

-5

Repeatability d 1 x 10

-4

1 x 10

-5

Resolution d 1 x 10

-4

1 x 10

-5

Temperature

Control Peltier

Range T 4 – 90 °C 4 – 70 °C

Precision T 0.05 °C (10 to 30 °C) 0.02 °C (10 to 30°)

T 0.1 °C ( 4 to 90 °C) 0.05 (4 to 70 °C)

Viscosity compensation Memory Card (option) DE50: not possible

DE51: standard

Sample required min. 1.2 mL (manual injection with syringe)

min. 2 mL (automated operation with optional pump)

Typical meas. times 1 to 4 minutes (manual operation)

2 to 10 minutes (programmed automated operation)

Display LCD (Liquid crystal display): 7 line display, backlit

External I/O 1 RS-232C (for computer and combination)

1 RS-232C (for external printer)

1 special serial interface (for sample changer)

1 Memory Card (PCIMCIA)

Ambient condition 1) Temperature: 5 ~ 35 °C

2) Humidity: below 85 % RH (no condensation)

Power source AC 100-240 V, 50/60 Hz

Power consumption 200 W

Dimension 270 mm (W) x 400 mm (D) x 410 mm (H)

Weight 15 kg