취급품목
Gateway to Electrochemistry
Gateway to Electrochemistry
General Purpose Inputs
Input channels: Input 1, Input 2
Input ranges: Range Gain
±10 V 1
±5 V 2
±2 V 5
±1 V 10
±0.5 V 20
±0.2 V 50
±0.1 V 100
±50 mV 200
±20 mV 500
Maximum input voltage: ±30 V (Ch 2, external detector)
Input impedance: ~1 MΩ
Low-pass input filter: 3000 Hz, 2nd order Bessel
DC drift: <1 μV/°C
CMRR (differential): –105 dB @ 100 /s (typical)
Channel crosstalk: > –140 dB
Input noise (p-p): Range @10 /s @100 /s
±10 V 3 μV 5 μV
±1 V 1 μV 2 μV
±100mV 0.25 μV 0.3 μV
Potentiostat
Input channels: Input 3 (current), Input 4 (potential)
Current ranges: ±1, 2, 5, 10, 20, 50, 100, 200, 500, 1000 mA
±1, 2, 5, 10, 20, 50, 100, 200, 500 μA
±20, 50, 100, 200, 500 nA
Input impedance: 10 ^13 Ω
Compliance: > 12 V
Bandwidth (unity loop gain): 16 kHz (@ –90° lag)
160 Hz (high stability mode, @ –90° lag)
Voltage offset error: ±1 mV
Voltage gain error: 0.1%
Gain Accuracy: 0.2% at ranges of up to 1 mA
1% at 10 – 100 mA ranges
Slew rate: 3 V/μs
Applied potential ranges: ±200, 500 mV, 1, 2, 5, 10 V
iR Compensation: 0 – 10 MΩ
Sampling
ADC: 24 bit sigma delta convertor
System resolution: 22 bits
Sampling rates: 12 /min to 100 kHz (Chart Software)
100 Hz to 100 kHz (EChem software)
Scan rate: 1 μV/s to >100 V/s (EChem software)
Linearity error: <0.001% of FSR
Output Amplifier
Output configuration: Single-ended
Output resolution: 16 bits
Maximum output current: 10 mA maximum
Output impedance: 0.1 Ω typical
Slew rate: 1 V/μs
Settling time: 20 μs (to within 0.01% of FSR)
Output range: Range Resolution
±10 V 312.5 μV
±5 V 156.5 μV
±2 V 62.5 μV
Linearity error ±1 LSB (from 0 °C to 70 °C)
Instrument Connection Port
Type: 20 pin male connector, 3.5 mm spacing.
Terminal block adaptor supplied.
Digital Output Controls
Outputs: 4 contact closure or TTL level. Set by software.
Contact closures: 100 mA maximum. ±24 V maximum.
‘On’ resistance 25 Ω typical, 50 Ω maximum.
Close time 1.5 ms; Open time 1 ms.
TTL level: 4 V high @ 1 mA maximum each
0.5 V low at 15 mA maximum each
Microprocessor and Data Communication
CPU: FREESCALE DSP56858
RAM: 16 MB SRAM
EEPROM: 4 MB
Data communication: USB 2.0 or 1.1 compliant
Expansion Ports
I2C expansion port: Power and control bus for eDAQ Amps
(maximum of 500 mA).
Physical Configuration
Dimensions (w x h x d): 200 x 65 x 250 mm (7.9 x 2.6 x 9.8")
Weight: 2.1 kg (4lb 10oz)
Power Requirements: 90 – 250 V AC 50/60 Hz, 50 VA
Operating conditions: 0 to 35 °C
0 to 90% humidity (non-condensing)