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Houston Instrument DMP-160 Series Plotters (DMP-161, DMP-162, and DMP-162R)
RECOMMENDED PEN VELOCITIES |
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| Media Types | Recommended Pen Types | Recommended Pen Velocities by Plot Quality | ||
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Final Plot ips mm/s |
Draft Plot ips mm/s |
Check Plot ips mm/s |
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Vellum or bond paper
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Disposable paper |
8 - 12 200 - 300 |
12 - 24 300 - 600 |
24 - 32 600 - 800 |
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Fiber tip (water-based ink) |
4 - 8 100 - 200 |
8 - 16 200 - 400 |
NR | Ceramic |
4 - 8 100 - 200 |
8 - 16 200 - 400 |
16 - 24 400 - 600 |
Roller ball | NR |
Up to 16 100 - 400 |
Up to 32 100 - 800 |
Refillable stainless steel |
8 - 12 200 - 300 |
12 - 20 300 - 500 |
20 - 32 500 - 800 |
Refillable tungsten |
8 - 12 200 - 300 |
12 - 20 300 - 500 |
20 - 32 500 - 800 |
| Polyester or clear acetate film | Refillable tungsten |
8 - 12 200 - 300 |
12 - 20 300 - 500 |
NR | Disposable film |
8 - 20 200 - 500 |
12 - 20 300 - 500 |
20 - 32 500 - 800 |
Fiber tip (solvent-based ink) |
4 - 8 100 - 200 |
8 - 16 200 - 400 |
NR |
| Clear coated film |
Fiber tip (water-based ink) |
4 - 8 100 - 200 |
8 - 16 200 - 400 |
NR |
| NR = Not Recommended | ||||
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General Characteristics & Maintenance Guidelines for Plotter Pens
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| Pen Type | Advantages | Maintenance |
| Disposable paper or film |
Low maintenance. High quality. High speed for check plots. |
Cap for long-term storage. Restart ink flow by tapping reservoir end against a hard surface. For dried pens, cap for a few days to allow the ink to dissolve the dried ink in the tip or clean tip with water or ultrasonic cleaner. |
| Fiber tip | Inexpensive. | cap when not in use (tip not sealed by pen changer stalls). For dried pens, dip point in water and rub on scrap paper. |
| Ceramic |
Very low maintenance. High quality. |
Can be left uncapped for extended periods of time. |
| Roller ball | High speed for check plots. | Cap when not in use (tip not sealed by pen changer stalls). |
| Refillable stainless steel | High quality. | Cap when not in use. See instructions packaged with pens for care, cleaning, and refilling instructions. |
| Refillable tungsten. |
High quality. Works with paper/vellum and film. |
Cap when not in use. See instructions packaged with pens for care, cleaning, and refilling instructions. |