Manual

IN-E-HL-NT-V2_12
Rotronic AG
Bassersdorf, Switzerland
Document code
Unit
HygroLog HL-NT data logger:
instruction manual
Instruction Manual
Document Type
Page
44 of 48
Document title
© 2009-2012; Rotronic AG IN-E-HL-NT-V2_12
14. Specifications
Model
HygroLog HL-NT2
HygroLog HL-NT3
Internal Humidity /
Temperature probe
Plug-in ROTRONIC HC2-S
Operating limits
electronics
Humidity
0…100 %RH
Temperature
-30…70 °C (-22…158°F) / -10…60 °C (14…140°F) with display
Operating limits battery
Alkaline battery
-10…+50 °C (14…122°F)
Lithium battery
-30…+70 °C (-22….158°F)
Measuring range
Internal probe
0…100 %RH, same temperature limits as logger
External probes
See probe specifications
HygroClip 2 probes are available for temperatures
within the range of -100…200°C / -148…392°F
Accuracy at 23°C
See probe specifications
Interface
Logger
UART
Docking station
RS-232 or USB or Ethernet (wired or wireless) / RS-485
Serial interface
(RS-232 / RS-485)
Baud rate : 19200 or 57600
Data bits : 8
Stop bits : 1
Parity : none
Internal Power supply
9V battery ≥500 mAh
External power supply
Via docking station (allows use of a rechargeable battery)
Battery lifetime
> 1 year - w/o display, 1 probe, 15 min. log interval
Optional Display
Graphic LC display with backlight
Event logging
Practically unlimited number of events such as configuration
changes, alarm, etc.
Internal Menu
Simplified functions, viewing of logged data
Internal probe adjustment
N/A
Direct from internal menu
External probe adjustment
Direct from internal menu (HygroClip probes only)
Probe inputs- Logger
One HygroClip 2 probe
Up to 3 HygroClip 2 probes
Probe inputs - Docking
station
Up to 4 probes (HygroClip 2 probes, analog probes or RTD probes
(Pt100) and 2 digital signals (depends on model)
Plug-in Memory Card
Compact flash memory card (16 MB standard - up to 1 GB)