Bottom Heater; Circuit Board Holder; Programming Unit - Weller WQB 3000 Mode D'emploi

6.4 Bottom heater

• High-temperature ceramic radiation elements (long-wave infrared radiation, λ ≈ 2 – 10 µm)
•
Small preheating zone:
•
Large preheating zone:
•
Temperature control via thermocouple, integrated in centre radiator
•
Mesh cover plate to protect against contact
•
Bottom heater can be shifted along length of base table

6.5 Circuit board holder

•
Precision linear guide unit with two slides units for the clamping arms
• Precision drive in x and y direction, adjustment range ± 10 mm, accuracy ± 0.05 mm
•
Adjustment range:
Width (max.):
Width (min.):
Length:

6.6 Programming unit

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LCD display with background lighting
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Key switch
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Connection to the base unit via RS-232 interface
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30 programmable program sets
•
Three process steps and subsequent cooling phase. The following parameters can be programmed
separately for each process step:
Temperature of bottom heater: 50 °C - 400 °C
Temperature of top heater:
Air flow:
Process time:
additional:
Cooling time:
Size of bottom heater:
•
Special features:
Adjustable fan speed
Standby temperature for top and bottom heater
Temperature offset for top and bottom heater
Two different lock types
°C and °F display
Teach-In mode for determining temperature profile
33
400 watts approx. 125 x 125 mm
1600 watts approx. 270 x 270 mm
495 mm
30 mm
unlimited
50 °C - 400 °C
10 % - 100 % (5 l/min. - 50 l/min.)
0 sec. - 999 sec.
0 sec. - 999 sec.
small – large
Cooper Tools GmbH, Carl-Benz-Str. 2, 74354 Besigheim, P.O. Box 1351
2
2
Germany, Tel: (07143) 580-0, Fax: (07143) 580108