Trig-Tek Inc. 203PC-2 Charge Amplifier
Input
Connector: BNC or 3-Pin PT02A
Charge Sensitivity: 0.1 to 199.9 pC/g or mV/g with three selectable ranges: “X.1,” “X1,” “X10”
Frequency Response: ±3% from 5 Hz to 40,000 Hz referred to 100 Hz (filters “Out”)
Overload Recovery: 100% overdrive of 1 ms half-sine input causes no effect except clipping
Amplitude Stability vs Temperature: <2% change from 30° to 130°F
Amplitude Stability vs Input Capacity: <0.1% change per 1,000 pF
Shunt Resistance: Operates with any input impedance above 200 kΩ
Filtering — Low Pass
48 dB/oct or greater roll-off
Cutoffs selectable 100 Hz to 20 kHz in 100 Hz steps
Filtering — High Pass
48 dB/oct roll-off
5 Hz to 999 Hz in 1 Hz steps
Acceleration Output
Voltage (max): 10 Vrms
Sensitivity:
203PC-1: 10 mVrms/Pk g
203PC-2: 10 mV/g
Impedance: <25 Ω (10 mA max)
Maximum Capacity FS: 0.033 μF at 20 kHz
Amplitude Linearity: ±1% best straight line
Amplitude Accuracy: ±2% of reading ±1% FS with filter
Noise: 0.05 pC max at 1.0 pC/g sensitivity; increases 0.006 g/1000 pF
Harmonic Distortion: <1%
DC Offset: <10 mV
Connector: 18-Pin PT02A-14-18S and BNC
Velocity Output
Voltage (max): 10 Vrms
Sensitivity:
203PC-1: 100 mVrms/Pk ips
203PC-2: 100 mV ips
Impedance: <25 Ω (10 mA max)
Fullscale Capacity at 2 kHz: 0.33 μF
Frequency Response: ±3% from 25 Hz to 3,000 Hz (–6 dB/oct); plug-in option extends to 5 Hz
DC Offset: <10 mV
Connector: 18-Pin PT02A-14-18S and BNC
Displacement Output
Level: 0 to 10 Vrms
Impedance: <5 Ω
Sensitivity:
203PC-1: 100 mVrms/Pk MIL
203PC-2: 100 mV/MIL (Pk-Pk)
Fullscale Capacity at 2 kHz: 0.33 μF
Frequency Response:
±3% from 30 Hz to 1,000 Hz (–12 dB/oct)
±5% from 25 Hz to 3,000 Hz (–12 dB/oct, with LPF)
DC Offset: <10 mV
Connector: 18-Pin PT02A-14-18S and BNC
DC Output
Level: 13 VDC max
Impedance: <25 Ω (10 mA max)
Sensitivity:
10 or 100 mV/Pk g
0.1 or 1 V/Pk ips or MILS
Linearity: ±1% FS
Amplitude Accuracy:
Accel: ±2% reading ±1% FS
Vel: ±4% reading ±1% FS
Displ: ±5% reading ±1% FS
Dynamic Range: 50 dB below FS (Accel/Vel/Displ)
Connectors: 18-Pin PT02A-14-18S and 3-Pin PT02
FS AC Output (Optional)
Level: 10 Vrms FS
Impedance: <50 Ω (10 mA max)
Configuration: SE or DIFF (jumper JP1)
Linearity: ±1% straight line at 1000 Hz
Connector: Isolated BNC
Controls
High-Pass Filter Switch: 1 to 999 Hz (48 dB/oct Butterworth)
Low-Pass Filter Switch: 0.1 to 19.9 kHz (48 dB/oct) in 100 Hz steps
Variable Pre/Post LPF Adjustment
Mode/Units Switch: pC/g, mV/g, mV/ips, Cal; units AA, AV, AD, VV, VD
Multiplier Range Switch: X.1, X1, X10 for 1.00–19.99 sensitivity
Sensitivity Switch: 1.00 to 19.99 for selected range
FS Switch:
AA: 10, 20, 50, 100, 200, 500 g
AV/AD: 1, 2, 5, 10, 20, 50 ips or MIL
SE-ISO-DIFF Switch (On-Curr-Off)
DIFF BAL Adjustment
ISO Adjustment
In-Line Filter Switch (L/M/H): 5 kHz / 10 kHz / 20 kHz
Indicators
DVM meter: displays g, ips, MILS
Cal Light (Red)
Overload LEDs (Accel / Vel / Displ / DC)
Mode LEDs (Green): pC/g, mV/g, mV/ips
Multiplier LEDs (Yellow)
Power
120 or 240 Vrms, 50–400 Hz, 100 W nominal
Mechanical
Dimensions: 7" H × 2.7" W × 13" D
Up to six units in 19" rack
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