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| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model Series | DT-670, Cernox® CX-1050/CX-1070, Rox™ RX-102B-RS/RX-102A, DT-621-HR, GR-100, CT-400, TC-E/K, Pt-100/200 |
| Temperature Range | 0.005 K to 1543 K (model-dependent) |
| Calibration | NIST-traceable, standard curves per IEC 60751 (Pt), ASTM E1137 (RTD), MIL-STD-883 (radiation) |
| Vacuum Compatibility | Up to 1×10⁻¹⁰ Pa (ultra-high vacuum) |
| Magnetic Field Tolerance | < ±0.1% reading up to 20 T (Cernox®, Rox™) |
| Radiation Hardness | Qualified to 1×10⁸ rad(Si) (Cernox®, GR-100, HR series) |
| Interchangeability | DT-670, Rox™, and Pt-series sensors comply with standardized resistance-vs-temperature curves (e.g., DT-670 curve, Rox™ Curve #1, Pt-100 DIN 43760) |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model | 224 |
| Sensor Channels | 12 (2 dedicated, 10 multiplexed) |
| Operating Range | 300 mK to 375 K |
| Input Types | Cernox®, silicon diodes (e.g., DT-670), Pt RTDs (100 Ω / 1000 Ω), Rox™, germanium, carbon-glass |
| A/D Resolution | 24-bit |
| Update Rate | up to 10 readings/s (dedicated channels), 1–2 readings/s (scanned channels) |
| Isolation | optical isolation between sensor inputs and system ground |
| Calibration Storage | 39 user-defined 200-point curves |
| Display | 240 × 64 pixel LCD (8 × 40 characters), LED backlit |
| Interface | front-panel 6-pin DIN connectors |
| Compliance | designed for GLP/GMP-aligned lab environments |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model | 218 |
| Input Channels | 8 |
| Sensor Compatibility | Diode (Si, GaAlAs) and Resistance (Pt100, Pt1000, Germanium, Carbon-Glass, Cernox®, Rox™) |
| Temperature Range | 1.2 K to 375 K |
| Resolution | 0.001 K (0–99.999 K), 0.01 K (100–999.99 K), 0.1 K (>1000 K) |
| Update Rate | 16 readings/s total (2 full scans of all 8 channels per second) |
| Calibration Curves | 8 × 200-point user-definable curves |
| SoftCal™ Support | DT-470 diode (30–375 K, ±0.25 K improvement), Pt resistance (70–325 K, ±0.25 K improvement) |
| Interfaces | IEEE-488 (GPIB), RS-232C, dual analog voltage outputs, 8 relay outputs |
| Display | 4-line × 20-character backlit LCD |
| Excitation | 8 independent constant-current sources, 4-wire differential measurement |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model | 240 |
| Channel Options | 2-channel (240-2P) or 8-channel (240-8P) |
| Temperature Range | 1 K to 800 K |
| Sensor Compatibility | Cernox®, Platinum RTDs, DT-670/DT-470 Diodes, Germanium, Carbon-Glass, RhFe, Rox™, GaAlAs |
| Excitation | 4-wire differential, constant current (10 µA) with polarity reversal |
| Isolation | Opto-isolated sensor inputs (channel-to-ground), non-isolated channel-to-channel |
| Communication | PROFIBUS-DP v1, USB 2.0 |
| Display | 128×32-pixel OLED, dual-parameter real-time readout (K/°C/°F/V/Ω), update rate: 2 Hz |
| Calibration | User-loadable 200-point curves per channel |
| Mounting | DIN-rail compatible, rear busbar for shared power & fieldbus |
| Compliance | CE, RoHS, PROFIBUS Nutzerorganisation (PNO) certified |
| Brand | Lake Shore |
|---|---|
| Origin | USA |
| Model | 211 |
| Temperature Range | 1.4 K to 800 K |
| Input Channels | 1 |
| Sensor Types Supported | Silicon Diode, GaAlAs Diode, 100 Ω Pt, 1000 Ω Pt, Carbon-Glass, Cernox®, Rox™ |
| A/D Resolution | 24-bit |
| Measurement Update Rate | 7 Hz |
| Display Resolution | 0.001 K (0–99.999 K), 0.01 K (100–999.99 K), 0.1 K (>1000 K) |
| Display | 5-digit LED |
| Output Options | 0–10 V, 4–20 mA, Relay, RS-232/RS-485 Serial Interface |
| User Calibration Curves | 1 × 200-point non-volatile memory |
| Excitation Method | Constant-current, 4-wire differential |
| Isolation | Not chassis-ground isolated |
| Compliance | Designed for cryogenic vacuum and magnetic field environments |
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