Fluke
Fluke 2456-LEM Laboratory Environmental Monitor
Manufacturer: Fluke Calibration
Model: 2456-LEM
Features
- Communication via RS-232 or RS-485
- Includes software for displaying all parameters, recording data and calibration
- Accuracy: 0.1 °C, 0.04 inHg (1.3 mbar), 3 % relative humidity
- Ideal for use in calibration labs, clean rooms, storage facilities or with Ruska piston gauges
- Instead of mechanical chart recorders
Specifications
| General Specifications | |
| unit | Temperature: °F or °C Pressure: mmHg, cmHg, inHg, kPa, mbar, psi, bar, kg/cm2 Humidity: %RH, Air Density: g/cm3, kg/m3, lb/in3 |
| power supply | Optional power supply via 10 to 36 V dc, 250 mA max (supplied via 115/230 AC adapter) RS-485. |
| Temperature Environment | Operating : 18 °C to 28 °C (64 °F to 82 °F) Storage: -20 °C to 70 °C (-4 °F to 158 °F) |
| Humidity Environment | 5 % to 95 % RH, non-condensing |
| weight | 0.23 kg (0.5 lb) |
| size | (H x W x D) 133.35 mm x 82.55 mm x 31.75 mm (5.25 in x 3.25 in x 1.25 in) |
| communication | RS-232 or RS-485 |
| Warm-up time | half an hour |
| Data Update | 1 second |
| range | |
| Temperature Environment | 18°C to 28°C (64°F to 82°F) |
| pressure | 20 inHg to 34 inHg (700 mbar to 1150 mbar) |
| Humidity Environment | 5 to 95% RH |
| specification | |
| Accuracy | Temperature : ±0.1°C (0.18°F) Pressure: ±0.04 inHg (1.3 mbar) Humidity: ±3% RH (Accuracy defined as the combined effects of linearity, repeatability and hysteresis) |
| Total uncertainty | Temperature: ± 0.5°C (0.9 °F)/year Pressure: ± 0.08 inHg (2.7 mbar)/year Humidity: ± 10 % RH/year |
| Accuracy (uncertainty) formulas follow recommendations from the ISO Guide for Measurement Uncertainty Formulas and include accuracy, stability, temperature effects and RSS for 2 sigma (95%) of the calibration standards . |
|
| software | Requires Microsoft® Windows® 95 or higher, 1.6 MB free hard disk space, 32 MB RAM, RS-232 or RS-485 interface, comprehensive help and system manual included, syntax commands included. |
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