Optical Chopper System
18488-D02 Rev G, September 24, 2012 Page 25 www.thorlabs.com
Physical Features
Dimensions (W x H x D) 5.8" x 2.8" x 12.5"
(147 mm x 71 mm x 317.5 mm)
Input and Output Connectors BNC
Menu Control Twist / Push-Button Knob
Input Power Connection
(1)
IEC Connector
Weight 5 lbs (9.1 lbs Shipped Weight)
Operating Temperature
10 – 40 °C
Display Type 240 x 124 Pixel LCD Graphics Display
Frequency Resolution 1 Hz (10, 15, 30, 60 and 2f blades)
0.01Hz (2 slot blade)
Power Supply
Supply Type Linear
Voltage Selection Switch Selectable between 115 / 230 VAC
Input Voltage 100/115 VAC ± 10%, 230 VAC ± 10%
Line Frequency 50 – 60 Hz
Input Power 20 VA Max
Fuse Ratings 250 mA @ 115 VAC 125 mA @ 230 VAC
Fuse Type IEC60127-2/III (250 V, Slo-blo Type ‘T’)
Fuse Size 5 x 20 mm
1)
The MC2000 is shipped with a 120 VAC US style power cord while the MC2000-EC is shipped
with a 230 VAC power cord.
2) The reference output and external input is short circuit protected by limiting the current to
25mA. Over and Under voltage protection is available, but continued use will degrade or
damage the unit.
3) The Min Load Impedance represents the smallest allowable terminating resistance. Applying
lower impedances will cause the short circuit protection to limit the output voltage. Continued
use in this mode will cause circuit degradation and eventual circuit failure.
4) The MC1F10 blade is supplied with the unit. All other blades specified may be purchased
separately through Thorlabs, Inc.
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