HygroLog - HL-NT3-D - High-end data logger

This product will be discontinued at the end of 2021.
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The HL-NT3 has two additional external probe inputs. Further probes can be connected to the logger using a docking station.

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.

Clean rooms, storerooms, server rooms, production areas, residential and office rooms, shipping

• Two external probe inputs plus optional internal probe
• Saves 47'000 data records per MB card storage capacity (incl. 32 MB card)
• Range of application: -30…70 °C (-10…60 °C, with display), 0…100 %rh
• Calculation of all psychrometric parameters
• Integrated clock for timestamp for every measured value
• Freely selectable logging interval, 5 s…24 h
• Power supply: 9 V (battery, rechargeable battery or docking station)
• Networkable with PC, via docking station (USB, Ethernet, WLAN)
• Audible alarm
• IP40

Accuracy at 23 ±5 °C ±0.8 %rh / ±0.1 K
Probe type Standard probe
Operating range -10…60 °C / 0…100 %rh
Measuring range with integrated probe -100…200 °C / 0…100 %rh
Power consumption via optional docking station
Long-term stability <1 %rh / year
Humidity sensor Hygromer IN-1
Temperature sensor PT100 1/3 DIN Class B
Probe protection ABS
Response time t 63 Typical 4 sec.
Psychrometric calculations All psychrometric values
Backlight with Backlight
Calibration / adjustment with HW4 / docking station
Engineering units displayed Value display, status display, operation, adjustment and view the log data.
Input for temperature sensor Optional adapter cable
Measurement interval between 5 s and 24 h
Number of probe inputs 3
Keypad (with display only) Yes
Alerting LED status indicator and audible alarm (beeper)
Acoustical alarm (Beeper) Yes
Real time clock w.backup battery Yes
Memory size Memory 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 (devicemanager)
Data processing via HW4 Yes
Device Protection by password Yes
External datalogging via software HW4 / PC
Country settings via software HW4
Choice of Battery / rechargeable battery Operation with a rechargeable battery or battery
Anti theft device Optional with Docking Station
Communication interfaces via docking station
Enclosure material ABS
Probe material Polycarbonate
Service Interface USB
FDA/GAMP compatibility FDA 21 CFR Part 11 and GAMP compatible
Dimensions 128 x 109 x 42 mm

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