Operator`s manual
11
3-1750A PERFORMANCE CURVES
Test Conditions: Nominal line voltage, no load in the muffle only floor tray, full power applied to the muffle for the Heating Curve. The
programmable rates are linear and fall below the heating curve and above the cooling curve (door closed) for some selections.
0
200
400
600
800
1000
1200
0 20 40 60 80 100 120 140 160 180 200
TIME (min.)
0
0
20
40 60
80 100
120
140 160 180
200
800
200
1200
600
400
1000
Time (min.)
Heat Fan = 0 Cool Down Fan = 0 Heat Up =1
Cool Down Fan = 1 Heat Up Fan = 9 Cool Down Fan = 9
*
Temperature (°C)
Model Furnace Weight: Shipping Weight:
3-550A 23kg(51lbs) 28kg(62lbs)
3-1750A 45kg(100lbs) 67kg(148lbs)
MECHANICAL OUTLINE DRAWING: mm(in)
Exterior Dimensions:
Model: A B C D E F
3-550A 635mm(25.0") 430mm(17.0") 400mm(15.8") 489mm(19.3") 100mm(4.0") 57mm(2.3")
3-1750A 807mm(31.8") 541(21.3") 572mm(22.5") 584mm(23.0") 100mm(4.0") 51mm(2.0")
Internal Muffle Dimensions:
Model: G H I
3-550A 180mm(7.0") 230mm(9.0") 230mm(9.0")
3-1750A 274mm(10.8") 363mm(14.3") 325mm(12.8")