| Advanced Humidity / Temperature Data Logger (HygroLog NT) |
| Manufacturer: Rotronic |
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Models
Probe Options
Docking Stations
The HygroLog NT and associated HW4 software comply with FDA CFR part II regarding electronic record keeping. The HygroLog NT can be networked to the purpose of monitoring and capturing data from several locations to a PC. On-site data logging by the HygroLog NT, combined with the capability of automatically downloading log files to the PC, provides protection against loss of data in the event of a power outage or network failure. Using a docking station, up to 7 probes and two external contacts can be connected to a single HygroLog NT.
- Relative humidity, temperature, dew point or other calculated parameter
- Multi-probe capability, wide selection of probes to satisfy every application
- Measurements from 0 to 100%RH and -50..200°C /-58..392°F (with external probe)
- Optional internal humidity-temperature probe, protected against unauthorized removal
- Monitoring of up to two external contacts (door, relay contact, etc.)
- Optional LC display and multi-function keypad
- Large recording capacity with removable flash memory card
- Operates with a 9 VDC standard or rechargeable battery
- Data download without interrupting the measurements
- Full featured, Windows based ROTRONIC HW4 software. Optional OPC tags allow importing data into practically any third-party OPC client application
- Interchangeable humidity-temperature HygroClip probes for fast and easy maintenance
Models
Which HygroLog NT is right for you?
HygroLog NT2 Key Features
Measures and records humidity, temperature and calculated parameter (see list below)
Available with or without display and keypad
Internal humidity-temperature probe designed to prevent unauthorized removal
Measuring range: 0..100%RH and -50..200°C (-58..392°F) when probe is separated from logger with a cable (depends on probe model)
Large recording capacity with removable flash memory card
Full probe adjustment functions directly from keypad
Interchangeable humidity-temperature HygroClip probe for fast and easy maintenance
Remote mode allows model with display and keypad to read/configure models w/o display and keypad (see connector on top of the logger)
Available with Bluetooth transceiver (display and keypad required)
Complies with FDA 21 CFR Part II when used together with the
ROTRONIC HW4 software
The optional docking station adds the following features (depends on docking station model):
Up to 4 additional external probes: HygroClip probes, third party analog probes or 4-wire RTD
Monitoring of up to two external contacts (door, relay contact, etc.)
Power provided by an AC adapter
Data download without interruption of the measurements
Networking (RS485 or Ethernet)
HygroLog NT3 Key Features
All the features of the HygroLog NT2 + 2 additional probe inputs (HygroClip probes)
The optional docking station adds the following features (depends on docking station model):
Up to 4 additional external probes: HygroClip probes, third party analog probes or 4-wire RTD
Monitoring of up to two external contacts (door, relay contact, etc.)
Power provided by an AC adapter
Data download without interruption of the measurements
Networking (RS485 or Ethernet)
Model Numbers:
Basic models without display and keypad
HYLOG-NT2: includes internal HygroClip S probe
HYLOG-NT2-NP: data logger only (without internal HygroClip S probe)
HYLOG-NT3: includes internal HygroClip S probe
HYLOG-NT3-NP: data logger only (without internal HygroClip S probe)
Models with display and keypad
HYLOG-NT2D: includes internal HygroClip S probe
HYLOG-NT2D-NP: data logger only (without internal HygroClip S probe)
HYLOG-NT3D: includes internal HygroClip S probe
HYLOG-NT3D-NP: data logger only (without internal HygroClip S probe)
Models with internal Bluetooth transceiver (display and keypad included)
HYLOG-NT2D-BT: includes internal HygroClip S probe HYLOG-NT2D-BT-NP: data logger only (without internal HygroClip S probe) HYLOG-NT3D-BT: includes internal HygroClip S probe
HYLOG-NT3D-BT-NP: data logger only (without internal HygroClip S probe)
Calculated Parameter:
Each probe input of the HygroLog NT2 and NT3 (or docking station) can be individually configured to calculate and record one of the following parameters:
Dew point (Dp)
Frost point (Fp)
Wet bulb temperature (Tw)
Enthalpy (H)
Vapor concentration (Dv)
Specific humidity (Q)
Mixing ratio by weight (R)
Vapor concentration at saturation (Dvs)
Vapor partial pressure (E)
Vapor saturation pressure (Ew)
Internal Probe:
The Internal probe of the HygroLog NT2 and NT3 is a HygroClip S. Models with an internal probe ship with the probe retracted for maximum probe protection.
For a faster response, the internal probe can be extended as shown on the picture to the left. This is done by opening the HygroLog NT (instructions are provided in the user manual).
If so desired, the probe can also be separated from the HygroLog NT with a length of cable.
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Probe Options
| Portable Probes (Handheld) |
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HygroClip S (internal or external probe for HygroLog NT2 / NT3)
for measurement in air, max. 85ºC (185ºF), wire mesh filter
length: 100mm (3.9"), d: 15mm (0.6") |
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HygroClip SP05
for measurement in air ducts, max. 85ºC (185ºF)
tube length: 200mm (7.9"), d: 5mm (0.2")
cable: 2m (6.5ft) |
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HygroClip SC05
for measurement in tight spaces, max. 100ºC (212ºF)
diameter: 5mm (0.2"), cable: 2m (6.5ft) |
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HygroClip HK25 / HK40
air probe for measurement at high temperature
HK25: max. 150ºC (212ºF) / HK40: max. 200ºC (392ºF)
wire mesh filter
tube length: HK25: 250 (9.8") / HK40: 400mm (15.7"), d: 15mm (0.6")
cable: 2m (6.5ft) |
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HygroClip HP28 insertion probe
for measurement of materials in bulk, max. 85ºC (185ºF)
sintered steel filter
tube length: 280 (11"), d: 10mm (0.4")
cable: 2m (6.5ft) |
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HygroClip HS28 sword probe
for measurement of paper stacks/rolls, max. 85ºC (185ºF)
blade length: 280 (11"), w: 18mm (0.7"), th.: 4mm (0.16")
cable: 2m (6.5ft) |
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Docking Stations
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The HygroLog NT requires a docking station for any of the following:
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Mount the HygroLog NT to a wall
(logger can be secured to docking station with a padlock)
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Place the HygroLog on the optional desk-top stand
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Use an external AC adapter to power the HygroLog NT
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Connect the HygroLog NT to a PC via a serial port (RS232)
or a USB port
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Connect the HygroLog NT to an Ethernet network
(TCP/IP protocol) - wired or wireless
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Connect up to 4 additional probes to the HygroLog NT
Monitor up to two external contacts (relay, door, etc.)
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Connect up to 64 HygroLog NT together in a multi-dropped arrangement (RS-485)
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Control up to 2 relay outputs
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Access the HygroLog NT from a web browser
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HygroLog NT3 with docking station
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HygroLog NT3 with docking station and desk stand
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| Models |
Primary Interface |
Description / Function |
| DS-NT1 |
None
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This model simply allows mounting the HygroLog NT to a wall and powering it with the AC adapter |
| DS-NT2 |
RS-232
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RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher). |
| DS-NT3 |
USB
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RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher) |
| DS-NT4 |
Ethernet (RJ45 wired) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher) |
| DS-NT4WEB |
Ethernet (RJ45 wired) |
Internal web server can be accessed from a web browser without requiring the HW4 software. |
| DS-NT4-WL |
Ethernet (wireless) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher) |
| DS-U-1 |
RS-232 |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher)
Connects up to four HygroClip or single channel analog probe with voltage output, and up to two digital input signals (external contacts). |
| DS-U-2 |
USB |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher)
Connects up to four HygroClip or single channel analog probe with voltage output, and up to two digital input signals (external contacts). |
| DS-U-4 |
Ethernet (RJ45 wired) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher)
Connects up to four HygroClip or single channel analog probe with voltage output, and up to two digital input signals (external contacts).. |
| DS-U4WEB |
Ethernet (RJ45 wired) |
Internal web server can be accessed from a web browser without requiring the HW4 software.
Connects up to four HygroClip or single channel analog probe with voltage output, and up to two digital input signals (external contacts).
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| DS-U4-420 |
Ethernet (RJ45 wired) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher)
Connects up to four single channel analog probes with 4...20 mA signal, and up to two digital input signals (external contacts).
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| DS-U4WEB-420 |
Ethernet (RJ45 wired) |
Internal web server can be accessed from a web browser without requiring the HW4 software.
Connects up to four single channel analog probes with 4...20 mA signal, and up to two digital input signals (external contacts).
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| DS-PT-2 |
USB |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher).
Connects up to four RTD probes (direct 4-wire connection), and up to two digital input signals (external contacts).
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| DS-PT-4 |
Ethernet (RJ45 wired) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher).
Connects up to two RTD probes (direct 4-wire connection), and up to two digital input signals (external contacts).
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| DS-PT-4-WL |
Ethernet (wireless) |
RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher).
Connects up to two RTD probes (direct 4-wire connection), and up to two digital input signals (external contacts).
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| DS-R1 |
USB
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RS-485 interface allows connecting up to 63 additional ROTRONIC devices in a multi-drop arrangement (requires HW4 professional or higher).
Two independent relay contacts and connections for up to two digital input signals (external contacts)..
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Notes:
- All above models feature a receptacle for the AC1211 power adapter (not included with the docking station).
- Use of the AC adapter is required for all models with an Ethernet interface and is strongly recommended whenever several probes are connected to the data logger and docking station.
- By nature, models with an Ethernet interface generate enough heat to noticeably increase the temperature of both the docking station and data logger. Any probe connected to the HygroLog NT should be separated by a length of cable to ensure accurate temperature and humidity data.
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