38
Magtrol Hysteresis Dynamometers
Chapter 4 – Testing
OPERA
TION
TORQUE
SPEED (rpm)
0
6000
12000
18000
24000
30000
36000
0
0
0.5
3.6
1
7.2
1.5
10.8
2
14.4
2.5
18
(oz·in)
(mN·m)
Figure 4–2 HD 106 Power Absorption Curve
HD-100
Shaft Diameter
0.1870 in / 0.1875 in
(4.750 mm / 4.763 mm)
Shaft Height
3.50 in (88.9 mm)
Torque Range
11.00 oz·in
800 g·cm
80.00 mN·m
Input Inertia
3.40 × 10
-6
lb·ft·s²
Maximum Speed
25,000 rpm
Maximum Input Power
continuous duty: 20 W
< 5 minutes:
75 W
TORQUE
SPEED (rpm)
0
5000
10000
15000
20000
25000
30000
0
0
2.2
16
4.4
32
6.6
48
8.8
64
11
80
(oz·in)
(mN·m)
Figure 4–3 HD 100 Power Absorption Curve
HD-400
Shaft Diameter
0.2495 in / 0.2500 in
(6.338 mm / 6.350 mm)
Shaft Height
3.50 in (88.9 mm)
Torque Range
40.0 oz·in
2.80 g·cm
280 mN·m
Input Inertia
1.55 × 10
-5
lb·ft·s²
Maximum Speed
25,000 rpm
Maximum Input Power
continuous duty: 55 W
< 5 minutes:
200 W
