WPI
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| Brand | WPI |
|---|---|
| Origin | USA |
| Model | EVOM2 |
| Power Supply | Rechargeable Battery (10 hr runtime) |
| Display | 4.5-digit LCD (1–9,999 Ω) |
| Electrode Interface | STX2 chopstick-style electrodes (4 mm wide × 1 mm thick) |
| Output | Isolated BNC analog output |
| Compliance | CE, RoHS |
| Cell Culture Compatibility | 6-, 12-, 24-, and 96-well Transwell®/HTS plates with permeable supports |
| Measurement Principle | AC-based four-electrode (2-current / 2-voltage) impedance spectroscopy at 12.5 Hz |
| Isolation | Galvanically isolated power architecture prevents electrode polarization, metal deposition, and tissue stimulation |
| Accessories Included | STX2 electrodes, calibration resistor, BNC cable, rechargeable battery pack, carrying case |
| Brand | WPI |
|---|---|
| Origin | USA |
| Model | EVOM AUTO |
| Electrode Configurations | 8-pair or 4-pair |
| Compatible Plates | 96-well and 24-well formats (MatTek, Millipore, Corning) |
| In-Cubator Design | Yes, CO₂-compatible |
| Cleaning Stations | 3 integrated stations (pre-, mid-, and post-measurement |
| Control Interface | Web-based software with collision protection algorithm |
| Data Transfer | Secure, encrypted cloud- and local-network-enabled transfer via dedicated mobile app |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Brand | WPI |
|---|---|
| Origin | USA |
| Model | SYS-PV830 |
| Instrument Type | Automated |
| Reservoir Volume | 100 ms and 10 s pulse duration options |
| Pressure Control Modes | Positive pressure (injection), negative pressure (vacuum hold/suction), and maintenance pressure (anti-siphon bias) |
| Flow/Volume Range | 1–1000 pL per pulse (dependent on capillary geometry, pressure, and duration) |
| Pulse Duration Options | 100 ms and 10 s |
| Operating Pressure Range | 0–100 psi (adjustable in 0.1 psi increments) |
| Vacuum Range | 0–−25 psi |
| Compliance | ASTM F2149-01 (for microinjection system performance verification), ISO 13485 (design-controlled manufacturing environment), GLP-compliant data logging capability |