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Product Description
The IC Biomedical LD Series dewars are designed for storing and dispensing small amounts of liquid nitrogen (LN2) or liquid argon. Seven different models provide capacities to fit a wide range of industrial and laboratory applications. The series includes the LD5 beaker-style, wide mouth unit and the LD4 pitcher-style model for ease of pouring.
Features
- Rugged construction – ribbed high strength aluminum body, magniformed neck tube design and durable paint system
- High performance – modern construction and advanced insulation materials assure high thermal efficiency
- Superior vacuum performance with super insulation provides maximum holding times
- 7 different models provide 6 different capacities to fit a wide range of industrial and laboratory applications
- Three year warranty on vacuum
- Accessories include low pressure liquid withdrawal devices, tipping stands, dippers, liquid measuring rod and roller bases on certain units.
Specifications
MODEL |
LD4 |
LD5 |
LD10 |
LD25 |
Classic 25 |
LD35 |
LD50 |
|
Static Holding Time (Nominal Days) |
10 |
6 |
45 |
109 |
119 |
152 |
122 |
|
Normal Evaporation Rate (Liters/Day) |
0.40 |
0.77 |
0.22 |
0.23 |
0.21 |
0.23 |
0.41 |
|
Capacity LN2 (Liters) |
4 |
5 |
10 |
25 |
25 |
35 |
50 |
|
Weight Empty (kg) |
3.0 |
3.1 |
7 |
11 |
9 |
16 |
18 |
|
Weight Full (kg) |
6.2 |
7.2 |
15 |
31 |
29 |
44.3 |
58 |
|
Neck Diameter (mm) |
30 |
142 |
51 |
64 |
51 |
64 |
64 |
|
Overall Height (mm) |
432 |
445 |
597 |
655 |
582 |
668 |
823 |
|
Overall Diameter (mm) |
193 |
193 |
290 |
396 |
394 |
475 |
475 |
- Liquid Levels:
- Check regularly and monitor evaporation over time. If high evaporation rates are apparent under normal operating conditions, the dewar may be losing its vacuum.
- The following liquid level measurement chart shows volume of liquid nitrogen vs. measured depth. These values are approximate and are based on a standard conditions.
Dewar |
Liquid Level Measurement |
| LD4 | 0.16 liters/cm |
| LD5 | 0.17 liters/cm |
| LD10 | 0.3 liters/cm |
| Classic 25 | N/A (Due to spherical shape.) |
| LD25 | 0.56 liters/cm |
| LD35 | 1.05 liters/cm |
| LD50 | 1.05 liters/cm |
- Dimensions
LD4 |
LD5 |
LD10 |
Classic 25 |
LD25 |
LD35 |
LD50 |
Accessories
- 5-Wheel Roller Bases - Roller Bases with ball-bearing swivel casters provide convenience and portability within a working area where frequent container movement is necessary or desirable.
- LN2 Withdrawal Device - Use only Liquid Withdrawal Devices designated specifically for these units. They employ pressure relief protection that is properly designed for the inner vessel of these dewars. An improper withdrawal device may cause the unit to rupture and cause personal injury.
- Replacement Cap/Necktube Core - Use only the necktube core provided with this unit or the manufacturer's recommended replacement part. A tight fitting plug or stopper will cause a pressure increase in the dewar that may damage the container and/or cause personal injury.
- Liquid Level Measuring Stick - The liquid level in the dewar can be determined by measuring with a dipstick. Insert the dipstick straight into the container so that it always rests on the bottom of the unit. After 5 or 10 seconds, withdraw the dipstick and wave it back and forth in the air. A frosted section will form representing the depth of liquid in the container.
- LN2 Dipper
- Tipping Stand for LD25.
