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1570.LOG-HC2-RCUS
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Rotronic 1570.LOG-HC2-RCUS User manual

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E-M-HL-RC-V1_02
Document Code Unit
ROTRONIC AG Bassersdorf, Switzerland
HL-RC Wireless Data Logger: Instruction Manual
Document Title
HL-RC
Wireless Data Logger
Instruction Manual
Instruction Manual
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Contents

Contents .......................................................................................................................................... 2
1 Overview ................................................................................................................................ 4
1.1 Devices with Battery Power Monitor (HL Types) .................................................................... 5
1.2 Devices without Battery Power Monitor (LOG Types) ............................................................ 6
1.3 Overview Wireless Systems ................................................................................................... 8
2 Dimensions ............................................................................................................................ 9
3 General Description ............................................................................................................ 11
3.1 Power Supply ........................................................................................................................ 11
3.2 Battery Life ............................................................................................................................ 12
3.3 Wireless Interface ................................................................................................................. 13
3.4 Interfaces .............................................................................................................................. 15
3.5 HW4 Software Compatibility ................................................................................................. 16
4 Mechanical Installation ....................................................................................................... 17
4.1 Choice of Location ................................................................................................................ 17
5 Electrical Installation .......................................................................................................... 18
5.1 Installation of LAN Interface .................................................................................................. 18
5.2 Installation of USB Dongle .................................................................................................... 20
5.3 Installation of Wireless Data Logger ..................................................................................... 20
6 Operation ............................................................................................................................. 22
6.1 Main Device Settings ............................................................................................................ 22
6.2 Read Out Measurements ...................................................................................................... 22
7 Maintenance ........................................................................................................................ 23
7.1 Battery Replacement ............................................................................................................ 23
7.2 Calibration and Adjustment Procedure ................................................................................. 26
8 Firmware Update ................................................................................................................. 27
9 Technical Data ..................................................................................................................... 28
10 Accessories ......................................................................................................................... 30
11 Additional Documents ........................................................................................................ 31
12 Document Versions ............................................................................................................ 32
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Scope
This manual i s v alid f or t he H L-RC s eries of wireless dat a loggers and f or t he device
types LOG-HC2-RC and LOG-PT1000.
Firmware version of the devices:
• HL-RC: v1.0 (all types)
• LOG-HC2-RC: v4.1
• LOG-PT1000-RC: v4.2
• LOG-HC2-RC-US: v3.0
• LOG-PT1000-RC-US: v3.4
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1 Overview

The R OTRONIC w ireless dat a loggers m easure hu midity/temperature or t emperature with t he
highest pr ecision, s ave t he measured v alues i n t he l ogger and t ransmit t hese v alues t o t he
ROTRONIC HW4 software. The data loggers offer the highest data integrity and flexibility in use.
The l oggers c ommunicate with t he H W4 s oftware via a LAN interface or a U SB do ngle on t he
frequencies 433.92 MHz (Europe) or 915 MHz (USA).
Main features of the wireless data loggers:
• Interchangeable HygroClip 2 probes
• Radio frequencies: 433.92 MHz (Europe) or 915 MHz (USA)
• Highest possible measuring accuracy: ±0.8 %RH and ±0.1 °C
• Outstanding repeatability of the measurement results
• Battery life up to 6 years
• Large storage capacity of up to 300,000 measured values
• Transmission distance of up to 100 metres in the open
The wireless data loggers and corresponding LAN interfaces and USB dongles currently come in
two different versions:
• with integrated battery power monitor
• without integrated battery power monitor
It is only possible to distinguish between the two versions externally by way of the ID number of the
device type on the label. As shown in Figure 1, the labels contain the following information: article
number, serial number (HEX & DEC format) and access code.
Note:
The devices with and without battery power monitor
are not c ompatible with each ot her. T he LA N
interfaces and USB dongles without battery power
monitor do not r ecognise t he de vices with bat tery
power monitor and vice versa.
Figure 1: Wireless data logger label
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Order Code
Description
Wireless data logger for
temperature (°C)
(symbol picture)
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1.1 Devices with Battery Power Monitor (HL Types)

HL-RC-B
HL-RC-T
HL-RC-T030
relative humidity (%RH) and
Wireless data logger for temperature (°C)
Wireless data logger for temperature (°C) with remote sensor (30 cm)
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HL-RC-T100
HL-DS-EXT
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Wireless data logger for temperature (°C) with remote sensor (100 cm)
Wireless interface USB to 433.92 MHz (Europe) or 915 MHz (USA)
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Type
Description
Wireless data logger for
temperature (°C) with HC2
(symbol picture)
(symbol picture)
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1.2 Devices without Battery Power Monitor (LOG Types)

LOG-HC2
LOG-PT1000
LOG-PT1000­ET030
relative humidity (%RH) and
Wireless data logger for relative humidity (°C)
Wireless data logger for temperature (°C) with remote Pt1000 sensor (30 cm)
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LOG-PT1000­ERT100-RC
LOG-PT1000­ERT100-RCT
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Wireless data logger for temperature (°C) with remote Pt1000 sensor (100 cm)
Wireless data logger for temperature (°C) with remote Pt1000 sensor (100 cm)
Measuring range:
-90…120°C
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LAN­INTERFACE
Wireless interface Ethernet to 433.92 MHz (Europe) / 915 MHz (USA)
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Wireless interface USB to
LOG-DS-EXT
433.92 MHz (Europe) / 915 MHz (USA)
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Wireless data logger
Wireless data logger
USB dongle
PC with HW4 software
Wireless data logger
LAN interface
PC with HW4 software
IP switch
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1.3 Overview Wireless Systems

1.3.1 LAN Net work

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1.3.2 USB Network

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2 Dimensions

The following drawings show the external dimensions of the various wireless data logger types in
mm.
Figure 2: Wireless humidity and temperature data logger with HC2
Figure 3: Wireless temperature data logger with integrated Pt1000 sensor
Figure 4: Wireless temperature data logger with remote sensor
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Figure 5: LAN interface
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3 General Description

The R OTRONIC wireless dat a l oggers c omprise t he f ollowing f unction gr oups: s ensor, m emory,
wireless i nterface and b attery f or i ndependent operation. D epending on t he de vice, t he s ensor
consists of a HygroClip2 for humidity and temperature or an integrated or remote Pt1000 sensor for
temperature. The values measured by the sensors are stored in the internal memory. With the HW4
software, the measured values can either be read out directly from the logger and sent to the software
(online mode) or they are stored in the data logger and then read out from the logger as a complete
data file with the HW4 software (offline mode).
The software functions are described in the following manuals:
• E-M-HW4v3-F2-021: HW4 manual for operation of the wireless data loggers
• E-M-HW4v3-Main: Main HW4 manual with general information

3.1 Power Supply

The power supply for the data loggers comes from an integrated AA battery (mignon cell). The
USB dongle is supplied with power directly via the PC's USB port and the LAN interface by a wide-
range AC adapter (100 ... 250 VAC).
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Current
Consumption
Measurements
/ hour
Every x
min.
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3.2 Battery Life

The life of the batteries integrated in the wireless data loggers depends on the measurement interval,
reading frequency and current consumption of the logger sensors. The table below serves as a guide.
LOG-HC2 HL-RC-B
Interval
1 60 0.022 mA 6.2 years
6 10 0.057 mA 2.4 years
12 5 0.099 mA 1.4 years
Lifetime
60 1 0.435 mA 0.3 years
1 60 0.0155 mA 8.8 years
LOG-PT1000 HL-RC-T
Note:
At a measurement interval of six measurements per hour or less, the logger's memory is also full
when the battery reaches the end of its life.
6 10 0.015 mA 7.6 years
12 5 0.021 mA 6.5 years
60 1 0.045 mA 3.0 years
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3.3 Wireless Interface

The devices work on the frequencies 433.92 MHz (Europe) or 915 MHz (USA). One interface device
(LAN interface / USB dongle) can manage up to 100 loggers. The range of the wireless connection
extends up to 100 m. The range for devices with remote temperature sensor or a 30 cm E3-F2A
extension cord between a LOG-HC2-RC / HL-RC-B wireless logger and HC2-S combination probe
can be up to 300 m.

3.3.1 Online Mode

In online mode the measured values are sent to the HW4 without delay. Depending on the settings
in the HW4, the data are then given a timestamp and stored on the PC. It is immaterial if the wireless
logger also saves the data or not. Data lost d ue to a disruption in the t ransmission path are not
refreshed automatically when the wireless connection is restored. To complete lost data, the user
must initiate downloading from the logger. This is conditional upon the logger itself having saved the
data. Recording of the data in the device can be enabled with the HW4 software.

3.3.2 Offline Mode

If the logger saves the measurements in its internal memory without a permanent connection to the
HW4 software, we speak of offline mode. In this mode the device is configured and recording of the
data s tarted. The de vice t hen r ecords the dat a without a d irect wireless c onnection to the HW4
software being nec essary. T he us er c an t hen download the dat a f rom t he l ogger t o t he PC as
required. The data are saved directly on the PC as a LOG file by the HW4 software.
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Ground plane antenna, cable length 2.5 m. The antenna radiates equally
upwards.
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3.3.3 Alter native Antennas

The standard antenna screwed on to the SMA jack of the USB dongle (or LAN interface) can be
swapped for a model with higher gain. In this way it is possible to enlarge the range of the wireless
connection in adverse environmental conditions (buildings, walls etc.).
ROTRONIC offers a ground plane antenna for 433.92 MHz as an alternative.
LOG-AN-GP433
• Including 2.5 m coaxial cable RG58U MIL-C17 (50 Ω)
• SMA connector
in all directions on the horizontal plane. There is no irradiation vertically
• Dimensions: 190 x 460 mm (width / height)
Figure 6: Ground plane antenna with mounting bracket (left) and radiation diagram (right)
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3.4 Interfaces

The LAN interface and USB dongle serve as interfaces between the LAN and USB ports and the
wireless transmission path. Both devices can manage up to 100 wireless data loggers.

3.4.1 USB Dongle

The USB dongle is plugged directly into a USB port on the PC or connected via a USB extension
cord. The dongle is primarily suitable for mobile applications.
Figure 7: USB dongle for 433.92 MHz (Europe) or 915 MHz (USA); can manage up to 100 terminal devices

3.4.2 LAN Interface

The LAN interface is ideal for fixed installations. It is supplied with power directly from the local power
grid via an external AC adapter. The HW4 software and LAN interface communicate via the Ethernet
port.
If more than one LAN interface has been installed, the wireless loggers are connected automatically
to the interface with the most stable connection to the logger.
Figure 8: LAN interface for 433.92 MHz (Europe) or 915 MHz (USA); can manage up to 100 terminal devices
Note:
To use LAN interfaces, port 6767 must be enabled on the PC.
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3.5 HW4 Software Compatibility

The following wireless loggers and interface devices can be used as from HW4 version v3.2.0.
• LOG-HC2-RC(-US)
• LOG-PT1000-RC(-US)
• LOG-PT1000-ET030-RC
• LOG-PT1000-30-RC-US
• LOG-DS-EXT(-US)
• LAN-INTERFACE
The following wireless loggers and interface devices with battery monitoring can be used as from
HW4 version v3.6.0.
• HL-RC-B(-US)
• HL-RC-T(-US)
• HL-RC-T030(-US)
• HL-DS-EXT(-US)
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4 Mechanical Installat ion

LOG-HC2-RC / HL-RC-B: The probe in the HC2 series is plugged into the socket of the wireless
data logger and fastened by tightening the union nut by hand.
LOG-PT1000 / HL-RC-T: These loggers are ready for use on delivery.
Install the wireless data logger according to the following recommendations.

4.1 Choice of Location

To attain an optimum transmission and reception range, the location for the wireless data loggers is
to be selected indoors in the dry by the following criteria:
• Position of the wireless data logger (vertical installation of the wireless data logger usually
results in the best irradiation)
• Not blocked by metallic objects (water pipes, steel cabinets etc.)
• Ideally there should be a "line of sight" between the antenna and the device that is to be
addressed
• Avoid sunlight, moisture and temperature changes
• Minimum distance to receiving antenna 1 metre
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5 Electrical Installation

5.1 Installation of LAN Interface

Notes on Use
A configured Ethernet infrastructure with a transmission rate of 100 Mbit/s is needed to use the LAN
interface. Together with the HW4 software, the device enables communication with suitable wireless
devices. A PC with HW4 or a normal web browser (e.g. Firefox, Internet Explorer) integrated in the
same Ethernet infrastructure is needed to configure the Ethernet parameters of the LAN interface.
The LAN interface and the AC adapter supplied are only suitable for indoor use.
Important: The HW4 needs a static IP address for the LAN interface.
Figure 9: Front and back sides of the LAN interface with connections for the antenna (HF), Ethernet and power supply (5V) as well as status LEDs (1 … 4) and Reset button
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5.1.1 Connections and LEDs

• 5V AC adapter connection
• Ethernet RJ45 network connection
• Reset Push button to reset the network configuration to delivery state
• HF Antenna connection
• LED1 Power
• LED2 Sending wireless data (flashes)
• LED3 Processing received wireless data (flashes)
• LED4 Status, flashes at variable intervals (see below)

5.1.2 Deliver y State

The LAN interface is configured with the following network settings on delivery:
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• IP 192.168.1.120
• Network mask 255.255.255.0
• Gateway 192.168.1.1
• DNS 192.168.1.1
• Network name rotroniclan
• DHCP On
When the device has been connected to the mains for the first time, LED1 lights up and the LAN
interface runs through the following start phase, the status of which is shown by LED4.
• 25ms: Querying network configuration per DHCP.
• 100ms: DHCP query f ailed, no user-defined s ettings. T he net work i nterface was
configured automatically with the values on delivery.
• 1s: The network configuration was downloaded successfully from the DHCP server.
• 2s: User-defined network configuration (DHCP use disabled).
The network configuration should then be adapted and personalised via the web interface or the
HW4 software (see E-M-HW4v3-F2-021). Note: We recommend allocation of a fixed IP address to the LAN interface.
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Ports Used
The f ollowing por ts m ust be ope n on t he f irewall when running t he L AN i nterface i n a c ompany
network:
• TCP 6767 (communication with HW4 and LAN interface)
• TCP 3384 (search for LAN interface)
• UDP 67, 68, 69, 9 (firmware update LAN interface)

5.2 Installation of USB Dongle

Connect the device to a PC using the USB port. The driver is then installed via the HW4 software.
When the device has been connected to the PC for the first time, the green LED lights up permanently
and t he r ed LED periodically. When communicating with wireless devices, the red LED lights up
when receiving data and the green LED when sending data.
Note:
Use of a USB extension cord can improve the wireless range notably.

5.3 Installation of Wireless Data Logger

The wireless data loggers require no electrical installation. They can be connected directly to the
HW4 s oftware. Connection of t he wireless dat a logger to the H W4 s oftware
is described in the manual E-M-HW4v3-F2-021.

5.3.1 Access Protection

The data loggers are equipped with access protection. A four-digit access code must be entered into
the software to disable or enable a logger. This code is to be found on the label of the wireless data
logger. As s hown i n Figure 10, t he ac cess c ode i s printed on t he bottom hal f of t he label. T he
procedure to d isable the wireless dat a l ogger via t he HW4 s oftware is des cribed i n t he m anual E-M-HW4v3-F2-021.
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Figure 10: Label with access code (4414) to disable/enable the logger
Note on LOG-HC2-RC-US / HL-RC-B-US
The temperature in HygroClip (HC2) must be set on °C (default).
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6 Operation

It must be ensured for operation that all device settings have been made correctly. They are set with
the HW4 software and are to be found in the manual E-M-HW4v3-F2-021.

6.1 Main Device Settings

The main settings are:
• Time/date
• Device name
• Alarm limits
• Logging interval
• Start/stop logging
The HW4 software from ROTRONIC (as from version 3.5) offers a configuration tool that guides the
user through the main settings automatically.

6.2 Read Out Measurements

It is advisable to read out the measurements regularly during operation. Data transfer via the wireless
interface takes some time and should therefore be carried out regularly. It is not necessary to stop
recording in the data logger to read out the data. The two processes can run simultaneously.
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7 Maintenance

The data loggers are largely maintenance-free. The battery needs to be replaced dependent on the
measurement interval and the current consumption of the sensor. It is also advisable to calibrate the
devices regularly.
Do not use hard or sharp objects or aggressive cleaning agents to clean the devices.

7.1 Battery Replacement

A lithium battery (type AA, 3.6 V) is used as the power source. The battery can be ordered from
ROTRONIC.
LOG-BATTERY
Replacement battery: Lithium-(Li-SOCl2) 2400 mAh, 3.6V
The housing cover with seal ring can be unscrewed with a screwdriver in an anti-clockwise direction
(see Figure 11).
Figure 11: Unscrew cover with screwdriver
The battery is soldered to the electronics and can be removed after opening the cover (see Figure
12).
Figure 12: Removed battery
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Bend 90°
Bend 90°
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The battery must be unsoldered with a soldering iron (see Figure 13). The connections of the new
battery must be shortened to around 5 mm and then bent by 90° (see Figure 14).
Figure 13: Unsoldering the battery
Figure 14: Shortening and bending the connections
Note:
Pay attention to the correct polarity of the batteries. Incorrect battery polarity can damage the
electronics.
In the last step the new battery must be soldered on to the electronics again and the cover screwed
on.
Figure 15: Soldering the solder connections and subsequently screwing on the cover
NOTE: The seal ring and thread must not be dirty or damaged. Check and grease the seal
ring before screwing on the cover (silicone grease or O-ring grease).
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After changing the battery, set the system time of the logger correctly again in the logger's Device
Manager with the HW4 software.
Figure 16: Setting the time after a battery change
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7.2 Cal i br ation and Adjustment Procedure

7.2.1 Adjust HC2 Probe

Both the Pt1000-RTD temperature sensor used in the probe and the corresponding electronics are
very stable and do not normally need to be calibrated after initial factory calibration.
The long-term stability of the HYGROMER humidity sensor from ROTRONIC is normally better than
1 %RH per year. For maximum accuracy, it is advisable to check the calibration of the probe every
6-12 months. Applications in which the probe is exposed to considerable contamination could require
more frequent checks.
The HC2 probe cannot be adjusted directly via the data logger. The probe must be connected to the
PC via the service cable AC 3001 for adjustment. You can find instructions for the adjustment process
in the manual.
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8 Firmware Update

The f irmware can b e updated with the H W4 software. Firmware updates are available f or
downloading from the R OTRONIC w ebsite. T o u pdate the f irmware, t he data l ogger m ust be
connected to the HW4 via the LAN interface or USB dongle. The connection to the computer must
remain i ntact t hroughout t he update pr ocess a nd t here m ust be a s table power s upply f or t he
complete duration of the process.
Figure 17: Firmware update in device manager menu bar.
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General
Device type
Wireless data logger 433.92 MHz (Europe) / 915 MHz (USA)
Power Supply and Connections
Supply voltage
Lithium (Li-SOCl2) battery 2400 mAh, 3.6V
Polarity protection
None, battery must be fitted correctly
Humidity and Temperature Measurement
With HC2
See document E-M-HC2 Probes > Specifications
Accuracy: ±0.1 K at 0 °C Measurement range: -40…85 °C
Calculated Parameters
Psychrometric parameters
Dew point (Dp) / Frost point (Fp) can be calculated via HC2
Measurement Interval
Measurement interval
1 min. to 12 h
Digital Interface
Interface type
Ethernet 100 Mbit, via LAN interface
USB, via USB dongle
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HL-RC Wireless Data Logger: Instruction Manual
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9 Technical Data

With Pt1000
Instruction Manual
Document Type
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General Specifications
175,000 measured values (%RH&°C) 300,000 measured values (°C)
Wireless logger with HC2: up to 100 m in the open Wireless logger with Pt1000 sensor: up to 300 m in the open
Number of devices per LAN interface / USB dongle
±2 s/day @ 25 °C ±4 s/day @ 0…50°C
<10 mW (LAN interface / USB dongle) <5 mW (wireless data loggers)
Wireless logger: POM, PUR (cable for external Pt1000 sensor) LAN interface: aluminium
Wireless logger: IP65 (with HC2)
USB dongle: IP20
Wireless data logger: 140 mm x Ø 20 mm
USB dongle: 15 x 77 x 20 mm
Wireless logger: 60 g / 85 g with external sensor
USB dongle: 30 g
Conformity with Standards
EMC Directive 99/5/EC: EN 61000-6-1: 2007
EN 12830
Solder type
Lead-free (RoHS directive)
FDA / GAMP directives
CFR21 Part 11 and GAMP5
Environment a l L imits
Wireless logger: -40...85 °C / 0...100 %RH
USB dongle: -20…85 °C / 0…90 %RH
Operation
-40...85 °C / 0...100 %RH
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HL-RC Wireless Data Logger: Instruction Manual
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Memory size
Wireless range
100
Accuracy real time clock RTC
Transmission power
Housing material
Housing protection grade
IP69 (with Pt1000 sensor) LAN interface: IP20
Instruction Manual
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Dimensions
Weight
CE / EMC immunity
Storage and transit
LAN interface: 30 x 130 x 80 mm
LAN interface: 300 g
EN 61000-6-3: 2007 + A1: 2011
LAN interface: -20…85 °C / 0…90 %RH, non-condensing
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Order Code
Description
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ROTRONIC AG Bassersdorf, Switzerland
HL-RC Wireless Data Logger: Instruction Manual
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10 Accessories

AC1319
LOG-BATTERY
Fastening element, 15 mm for HygroClip
Replacement battery: Lithium-(Li­SOCl2) 2400 mAh, 3.6V
Instruction Manual
Document Type
30 of 32
LOG-AN-GP433
Ground plane antenna, cable length
2.5 m
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Document Name
Contents
E-M-HC2 Probes
HC2 manual
E-M-HW4v3-Main
HW4 software, main manual
E-M-HW4v3-F2-021
HW4 software, manual for wireless data loggers
E-M-Calibration best practice
Instructions for calibration of humidity measuring devices
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HL-RC Wireless Data Logger: Instruction Manual
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11 Additional Documents

Instruction Manual
Document Type
31 of 32
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E-M-HL-RC-V1_02
Version
Date
Remark
E-M-HL-RC-V1_00
September 2015
Release document
E-M-HL-RC-V1_01
November 2015
Correction of memory space
E-M-HL-RC-V1_02
March 2016
Additional types included in chapter 1.1 / 1.2
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HL-RC Wireless Data Logger: Instruction Manual
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12 Document Versions

Instruction Manual
Document Type
32 of 32
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