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Rack Filters
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For many years Kemo has produced an extensive range of rack mounted filters
and filter cards. This range has been updated, and some are now held
in stock for quick solutions to your noisy signals.
3 Rack sizes, 2 slot DC power, 5 slot and 18 slot - AC and DC powered versions of both
CardMaster
21.2 - 2 channel rack filter card, fixed and variable frequency, gain.
CardMaster 21.255G - single channel rack
card, 255 filter steps, and gain set on front panel, versatile input.
BenchMaster 21M - easy to use front panel
controlled filter, switchable high/lowpass, gain, AC/DC/IEPE inputs.
BenchMaster 21CF30 - programmable filter, input gain
2550:1 filtering in 2 ranges.
BenchMaster 8 - 2 channel
laboratory filter, 0.01 Hz to 99 kHz, switchable high/lowpass, bandpass/bandstop/notch
filtering in one instrument, gain, AC/DC/IEPE inputs.
VBF 40 Series - Top of range 5 built in filter
responses, gain to +70 dB.
CardMaster 21.2 -Dual Channel Rack Card
The CardMaster 21.2 is 2 channel rack mounted Filter
Card. It is designed to be
configured to meet a wide range of fixed or selectable frequency
applications. It is supplied tested and set up with either
1200 or
1600
series filter modules
fitted.
- Input - Single ended / differential
- Input Gain - 0, to +60 dB. (X1 - 100) selectable per channel
- Frequency - 1200s 0.1 Hz to >
500 kHz fixed
- Frequency - 1600s 1 Hz to 127 kHz
- Signal level - + / - 10 V
- Input Coupling - AC (0.17Hz) / DC / IEPE (24V, 4 mA)
- Racks - 5 slot or 18 slot AC or DC power
- Connections - BNC.
CardMaster 21.2 pdf data sheet (36 kB)
Click here for the CardMaster 21.2
page
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CardMaster 21.255G - 255 Filter steps with gain front
panel control
The
CardMaster 21.255G is a rack mounted Filter Card, with 255 steps of filtering and
gain to x500 set
on the front panel. It includes user selectable input and coupling
-
Input - Single ended / differential
- Input Coupling - AC (0.17Hz) / DC / IEPE (24V, 4 mA)
- Input Gain - x1,x2, x5, x10, x20, x50,
x100, x200, x500
- Frequency - ranges covering 1 Hz to 127 kHz
- Signal level - + / - 10 V
- Racks - 5 slot or 18 slot AC or DC power
- Connections - BNC.
CardMaster 21.255G pdf data sheet (32 kB)
Click here for the CardMaster
21.255G
page
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BenchMaster 21M easy to use switchable high / lowpass
Now usually available ex-stock
Easy to use
front panel control, switchable highpass
/ lowpass, all controls on front panel.
The VBF2 is our name for a two channel BenchMaster
21M in a compact rack.
- 1 - 9 Channels per rack
- 0.1 Hz to 99 k Hz ( 3 models )
- AC / DC / IEPE Input coupling
- Switchable lowpass / highpass
- Single ended / Differential Input
- Very easy to use
- Gain
- Racks -
2
slot DC power
5 slot or 18 slot AC or DC
power
BenchMaster
21M pdf data sheet
(68 kB)
Click here for the BenchMaster 21M
page.
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BenchMaster 21CF30 programmable
front end filter with gain
Established
front end for many data acquisition systems, 1000's of channels in use
world-wide.
- + 54 dB to - 18 dB of
programmable gain
- AC / DC / IEPE Input
- 2550 : 1 filter cut off range in
2 ranges
- Computer control
- AC or DC powered racks.
- Racks - 5 slot or 18 slot AC or DC power
BenchMaster 21CF30 pdf data sheet
(51
kB)
Click here for the BenchMaster 21CF30
page.
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 BenchMaster 8 - The 'classic lab filter' -
usually available ex-stock
The classic versatile 2
channel bench top laboratory filter. Completely redesigned, 1000's
in use world - wide. Easy to use, proven track record.
- 2 Channels
- 0.01 Hz to 99.9 k Hz
- AC / DC / IEPE Input
coupling
- 6 Models
- Each switchable lowpass / highpass
- Bandpass / Bandstop / Notch filtering
- 3 'modified' filter response settings
- Gain to x 500 (+54 dB)
- AC or DC power
BenchMaster
8 pdf data sheet
(67
kB)
Click here for
the BenchMaster 8
page.
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VBF40 Series Top of the Range Filter
5 built in filter responses, +70dB gain
Compact versatile programmable
multi-channel filter amplifiers.
- Frequency 1 Hz to 255 kHz
- 2, 4, 16 channel systems (expandable)
- 1 - 16 channels per rack
- + 70 dB of gain
- AC / DC Input
- 5 built in filter responses
2 lowpass, 2 highpass, 1 bandpass
- RS 232 of GPIB interface
Click here for the 2 channel VBF42 page.
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