ION-01X – Amplifier for Ion-Sensitive Electrodes
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Amplifier for Ionsensetive Electrodes
- Record the smallest ion-currents
- Reference electrode with high common mode rejection
- Capacitance compensation for electrode and reference
Features
- Differential input: cmr >120 dB @ gain 100
- Input impedance: >100 TΩ; ultra-low BIAS current <150 fA
- Input voltage range: 1000 mV DC
- Inputs with small headstage, Teflon isolated connector
- Integrated electrode holder
- OFFSET compensation for both inputs; range: ±100 mV
- C.COMP. for both inputs; range: 0 – 30 pF
- Low-pass filter for REF and SENSE input to improve AC cmr (common mode rejection)
- Output gain: x10 or x100; range: ±12 V
- Digital display: XXX.X mV
- Electrode resistance test : XXX.X MΩ or XX.XX GΩ
- Built-in ramp generator: 1.5 V / s., external signal input available
Ordering
| Part No. |
Description |
| ION-01X |
Ionselective Amplifier |
Technical Data
| Input range: |
±1000 mV |
| Input impedance: |
>10 TΩ, related to ground |
| Input bias: |
<150 fA |
| Differential input: |
CMR >120 dB @ gain 100 |
| LOWPASS-FILTER |
8-pole low-pass, corner frequencies: 20, 50, 100, 200, 300, 500, 700, 1k, 1.3k, 2k, 3k, 5k, 8k, 10k, 13k, 20k Hz |
| GAIN (SENSE-REF): |
x10, x100, selected by toggle switch |
| OFFSET compensation: |
range: ±100 mV |
| CAPACITANCE compensation: |
range: 0-100 pF |
| Output: |
range: ±12 V into 1 kΩ / ±1 V into 50 Ω |
| Electrode Resistance Test SENSE: |
100 MΩ – 5 GΩ (measured with a square pulse @ 20 Hz) |
| Electrode Resistance Test REFERENCE: |
10 MΩ – 200 MΩ (measured with a square pulse @ 65 Hz) |
| Accuracy Electrode Resistance Test: |
0…1 GΩ: ±1%;
1…5 GΩ: ±10%
> 5 GΩ: ±25% |
| Digital display: |
XXX.X mV or XX.XX GΩ (sense electrode) or XXX.X MΩ (reference electrode) |
| Dimensions: |
19” rackmount cabinet, 19” x 10” x 3.5” (483 x 250 x 88 mm³) |
| Power requirements: |
115/230 V AC, Fuse: 0.2 A / 230 V; 0.4 A / 115 V |
| Test adapter: |
Resistor for EL: 1 GΩ
Resistor for REF: 100 MΩ |
