WPI DAM50, Instruction Manual, Page: 10 / 16

6 World Precision Instruments
SPECIFICATIONS
This unit conforms to the following specifications:
Input Resistance ...............................................>10
12
Ohms, common mode and differential
Input Leakage Current ................................................................................................. 50 pA, max.
Amplification ....................................................................................... 100×, 1000×, 10,000× (AC)
........................................................................................................................ 10×, 100×, 1000× (DC)
Common Mode Rejection Ratio (CMRR) .......................................... 100 dB typ. @ 50/60 Hz,
.............................................................................................................................. 80 dB typ. @ 1 KHz
Equivalent Noise Signal Input (ENSI) ..............................................................................................
AC amplifier (typ.) ............................................................... 0.4 µV rms (2.0 µV p/p), 0.1-100 Hz
................................................................................................ 2.0 µV rms (10 µVp/p), 1 Hz-10 kHz
DC Amplifier ............................................................................. 6.0 µV rms (30 µV p/p), 3-10 kHz
Bandwidth Filter Settings ..................................................................................................................
AC ................................................................................................ low frequency 0.1, 1, 10, 300 Hz
AC and DC .......................................................................... high frequency 100 Hz, 1, 3, 10 KHz
Position .................................................................................................................................... 250mV
Output Voltage Swing ............................................................................................................... ± 8 V
Output Resistance ...........................................................................................................470 Ohms
Battery Test.. ...............................................................................................1 second audible tone
Calibrator Signal ......................................... 10 Hz square wave, amplitude 100 µV (at 1000×
.................................................................................. and 10,000×), 1 mV (at 100×) and 10× DC).
Power .......................................................................................... 2 9V alkaline batteries, supplied
Input Cables ........ 1 shielded cable with metal electrode connectors are provided and 1
shielded cable with bare wires.
APPENDIX A DAM50 WIRING CONFIGURATIONS
PART NUMBER DESCRIPTION
M3301EH Replacement Electrode Holder
M3301R Manual Micromanipulator
MD4R Dual Tool-Holder Micromanipulator
TM31A10 Tungsten Metal Electrodes Profile A, 76 mm, 1 micron
RC1T Reference Cells
M10 M10 Magnetic Stand
5052 Steel Base Plate, 10 lbs
3294 Ground Wire for DAM80 Probe
EP2 Ag/AgCl Electrode
2505 Electrode Handle 6.3 mm
5444 Electrode Handle 4.8 mm
13620 Low-noise cable for Microelectrode Holder
5489 Optional Probe for DAM50
MEH7W-10 Microelectrode Holder