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Rotronic Hygro Log HL-NT Humidity Temperature Data Logger

Humidity Temperature Data Logger
Hygro Log HL-NT

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.

• Relative humidity, temperature, dew point or other calculated parameter
• Measuring range: 0 to 100%RH and -100..200°C /-148..392°F (with external probe)
• Interchangeable humidity-temperature HygroClip 2 probe for fast and easy maintenance
• Wide selection of probes to satisfy every application
• Optional internal probe, protected against unauthorized removal
• Large recording capacity (depends on the size of removable flash memory card)
• Power supply: A/C adapter, backed up by a standard or rechargeable 9 VDC battery
• Full featured, Windows based ROTRONIC HW4 networking software
• HW4 software has optional OPC tags to export data to any third-party OPC client application

Logger HygroLog HL-NT2 HygroLog HL-NT3
Humidity / Temperature sensor ROTRONIC HygroClip2 series
Probe inputs in the HygroLog 1 2
Probe inputs in the docking station 4
Electronics operating range
Humidity 0…100 %rh
Temperature -30…70 °C, with display -10…60 °C
Operating range
With alkaline battery: -10…50 °C (standard battery)
With lithium battery: -30…70 °C
Measurement range Depends on probe, max. -100…200 °C
Accuracy at 23°C
with integrated HC2-S standard probe
Max. ±1.5 %rh / 0.2 K with SCS certificate
Probes HygroClip2 & Pt100 probes (docking station)
Data saving interval 5 seconds to 24 hours
Memory mode Start/Stop/Continuous/Text with timestamp
Alarm indicators Visual indicators (LED, two-coloured) and beeper
Logger dimensions 156 x 109 x 42 mm
Housing material ABS
Probe protection Protective cap and probe-specifi c fi lter
Power supply (recommended) 9 V battery 500 mAh or externally via docking station
Battery life > 1 year (with 1 HygroClip2 probe, 15 min. data saving interval, without display)
Display (optional) LCD full graphic display
Logger weight Approx. 300 g
Data storage
Storage medium 32 MB Flash Card (up to 1 GB possible)
Storage capacity in text mode With 32 MB Flash Card 800.000 data points
Storage capacity in protected mode With 32 MB Flash Card 1.504.000 data points
Event logging All user actions, alarms, programming
Audit trail Full FDA CFR 21 Part 11 / GAMP4 compliance
Adjustment Probe adjustment in instrument possible
Access to instrument (PC) Via docking station
Docking stations
Connections AC adapter, RS232, RS485, USB via docking station (depending on model)
IP protection / Anti-theft device IP65 / Integrated in docking station
Abmessungen und Gewicht 113 x 70 x 39 mm, ca. 175 g / NT-Desk 145 x 140 x 125 mm, ca. 350 g
System requirements HW4
(minimum requirements)
Processor Pentium 1 GHz
RAM 512 MB
Monitor SVGA, 1027 x 768, 256 colours, 96 DPI
Harddisk HW4: 50 MB/ NET2: 280 MB
Operating system Windows XP Service Pack 2, Windows 2000 Service
Pack 3, Windows Server 2003, Windows Vista
Software Standard: HW4-E / Professional: HW4-P

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