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Test & Measurement
Instruments
HygroLog HL-NT Humidity Temperature Data Logger
The HygroLog HL-NT humidity, dew point and temperature data logger can be used with any of the HygroClip 2 probes. The HL-NT can monitor up to 7 probes as well as up to two external on/off contacts, such a a door contact.
When used together with the validated ROTRONIC HW4 software the HygroLog HL-NT data logger complies with FDA 21 CFR part 11 regarding electronic data records and electronic signatures (ERES).
The HW4 software can display the data from several data loggers on multiple PCs and can centrally record on one of the PCs the measurement data from several loggers. As a protection against power outages and network failures, HW4 can be used to automatically download the locally recorded data at regular intervals of time.
Features
- Saves 47,000 data records per MB card storage capacity (incl. 32 MB card)
- Range of measurement: -30 to 70°C (-10 to 60°C, with display), 0 to 100 %RH
- Calculation of all psychrometric parameters
- Integrated clock for timestamp for every measured value
- Selectable logging interval, 5sec to 24h
- Power supply: 9 V (battery, rechargeable battery or docking station)
- Networkable with PC, via docking station (USB, Ethernet, WLAN)
- Audible alarm
- IP40
Specifications & Spare Parts
| Probe Type | Standard probe |
| Dimensions | 128 x 109 x 42 mm |
| Operating Range (Electronics) | -10…60 °C / 0…100 %RH |
| Accuracy at 23 ±5 °C | ±0.8 %RH / ±0.1 K |
| Measuring Range (Integrated Probe) | -100…200 °C / 0…100 %RH |
| Power Supply / Power Consumption | Via optional docking station |
| Long-term Stability Sensor | <1 %RH / year |
| Humidity Sensor | Hygromer IN-1 |
| Temperature Sensor | PT100 1/3 DIN Class B |
| Probe Protection | ABS |
| Response Time t63 | Typical 4 sec |
| Psychrometric Calculations | All psychrometric values |
| Number of Probe Inputs | 3 |
| Input for Temperature Sensor | Optional adapter cable |
| Calibration / Adjustment | With HW4 / docking station |
| Measurement Interval | Between 5s and 24h |
| Engineering Units Displayed | Value display, status display, operation, adjustment, and view the log data |
| Backlight | Yes |
| Keypad | With display only |
| Alerting | LED status indicator and audible alarm |
| Audible Alarm | Yes |
| Real-Time Clock with Backup Battery | Yes |
| Memory Size | Up to 47,000 records per MB on memory cards |
| Exploitation Software | ROTRONIC HW4 / card reader, PDA |
| Menu Guidance | Yes |
| Trend Indicator | Yes, for models with display |
| Probe Adjustment by Software | Yes, with service cable |
| Probe Adjustment by Keypad | Display / keyboard |
| Event Logging | Via software HW4 |
| Status Indicator LED | Yes |
| User Information | From Software HW4 (device manager) |
| Data Processing | Via HW4 |
| Device Protection by Password | Yes |
| External Data Logging | Via software HW4 / PC |
| Country Settings | Via software HW4 |
| Choice of Battery / Rechargeable Battery | Operation with a rechargeable battery or battery |
| Communication Interfaces | Via docking station |
| Service Interface | USB |
| Probe Material | Polycarbonate |
| Enclosure Material | ABS |
| Anti-Theft Device | Optional with Docking Station |
| FDA/GAMP Compatibility | FDA 21 CFR Part 11 and GAMP compatible |
