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E-M-HC2
Operating Manual
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Rotronic E-M-HC2 Operating Manual

E-M-HC2 Probes-V1_31
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
HygroClip 2 (HC2) Humidity Temperature Probes
User Guide
Instruction Manual
1 of 36
Document Type
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Instruction Manual
2 of 36
Document Type
Table of contents
1
Overview ................................................................................................................................................. 3
1.1 Hardware and software compatibility ................................................................................................... 3
2 Models .................................................................................................................................................... 4
3 General description ............................................................................................................................. 16
3.1 Power supply...................................................................................................................................... 16
3.2 Measured parameters ........................................................................................................................ 16
3.3 Calculated parameters ....................................................................................................................... 16
3.4 Analog output signals ......................................................................................................................... 16
3.5 Digital interface .................................................................................................................................. 17
3.6 Connector .......................................................................................................................................... 18
3.7 Sensor protection (dust filter) ............................................................................................................. 18
4 User configurable settings and functions ......................................................................................... 19
4.1 Function overview .............................................................................................................................. 19
4.2 Factory default settings ...................................................................................................................... 21
5 Mechanical installation ....................................................................................................................... 22
5.1 General guidelines for fixed installation .............................................................................................. 22
6 Electrical installation ........................................................................................................................... 23
6.1 General guidelines for fixed installation .............................................................................................. 23
6.2 Analog signal wiring ........................................................................................................................... 24
6.3 Minimum analog output load .............................................................................................................. 24
6.4 Digital signal wiring ............................................................................................................................ 24
6.5 Grounding .......................................................................................................................................... 24
7 Operation .............................................................................................................................................. 25
7.1 Operation with an indicator, data logger or transmitter ....................................................................... 25
7.2 Stand-alone operation as an analog probe ........................................................................................ 25
7.3 Stand-alone operation as a digital probe (PC or network) .................................................................. 26
7.4 Connectivity examples for stand-alone probes................................................................................... 26
7.5 Hand-held probes used with an indicator ........................................................................................... 27
8 Maintenance ......................................................................................................................................... 28
8.1 Cleaning or replacing the dust filter .................................................................................................... 28
8.2 Periodic calibration check .................................................................................................................. 28
8.3 Validation of the output signals transmission ..................................................................................... 28
9 Firmware updates ................................................................................................................................ 29
10 Technical data ...................................................................................................................................... 30
10.1 Specifications ..................................................................................................................................... 30
10.2 Dew point accuracy ............................................................................................................................ 32
10.3 Effect of cable temperature on the accuracy of probes HC2-C04 and HC2-C05 ............................... 33
11 Accessories and parts ........................................................................................................................ 34
12 Supporting documents ....................................................................................................................... 35
13 Document releases .............................................................................................................................. 36
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Instruction Manual
3 of 36
Document Type
Applicability:
This manual applies to all HC2 probes with firmware version 3.0 or higher. Changes to the last digit of the version number reflect minor firmware changes that do not affect the manner in which the probe should be operated.

1 Overview

The HC2 series are digital humidity-temperature probes based on the AirChip 3000 technology. These probes feature a UART serial interface and two 0…1 V linear analog output signals.
The HC2 probes are designed for use with the HygroClip 2 generation of ROTRONIC humidity-temperature instruments: hand-held and bench top indicators, data loggers, transmitters, hygrostats, etc. The HC2 probes maintain all of the benefits of the original HygroClip technology such as the possibility of hot-swapping probes and feature significant improvements in the area of measurement accuracy and functionality.
The HC2 probes can also be used as a stand-alone device using either the analog output signals or the probe digital interface. Connectors, cables and digital interface adapters are available to this purpose. Digital integration with OEM applications is facilitated by the probe communication protocol options.
The HC2 probes offer the following user functions:
o User configurable settings o Calculation of the dew or frost point o Humidity temperature calibration and adjustment o Simulator mode o Automatic humidity sensor test and drift compensation o Sensor failure mode o Data recording
The ability for the user to easily update the AirChip 3000 firmware means that the HC2 probes can be kept up­to-date regarding any future functionality improvement.
Available in different configurations, the HC2 probe series is designed to meet the requirements of a large number of applications and environme nts.

1.1 Hardware and software compatibility

The HC2 probes are compatible only with the AirChip 3000 generation of ROTRONIC humidity-temperature instruments and are not backward compatible with instruments based on the previous technology.
Configuration of the HC2 probes and access to the probe functions requires a PC with the ROTRONIC HW4 software version 2.1.0 or higher or connection to a compatible instrument from ROTRONIC. For firmware updates HW4 software version 3.3.0 or higher is needed.
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Climate measurement
For use with indicators, data loggers and transmitters, with or without an extension cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
Weight: 10 g (0.35 oz)
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
Weight: 10 g (0.35 oz)
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
Weight: 10 g (0.35 oz)
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Instruction Manual
4 of 36
Document Type

2 Models

In the following tables, we have indicated the type of instrument primarily used with each probe model. The following should also be noted:
o The HC2 probes can be directly connected to a PC or to an Ethernet network using one of the available
digital interface adapters (see separate document E-M-HC2-accessories).
o The HC2 Probes can also be used as a stand alone device with two analog output signals. Different
connectors are available to this purpose (see separat e doc u ment E-M-HC2-accessories).
Regardless of the probe model, the analog outputs signals are always scaled in the same way by the factory (0…1 V = 0…100 %RH and 0…1 V = -40…60 °C). The user is responsible for reconfiguring the probe analog outputs (requires the ROTRONIC HW4 software) and for providing power to the probe.
Humidity measuring range: 0…100 %RH Temperature limits: -50…100 °C (-58…212 °F) Diameter: 15 mm (0.6”)
HC2-S
Length: 85 mm (3.3”) Housing material: polycarbonate, black Standard dust filter: Polyethylene, 20 µm Sensor: HYGROMER
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IN-1
Humidity measuring range: 0…100 %RH Temperature limits: -50…100 °C (-58…212 °F) Diameter: 15 mm (0.6”)
HC2-S3
HC2-S-HH
Length: 85 mm (3.3”) Housing material: polycarbonate, white Standard dust filter: Polyethylene, 40 µm Sensor: HYGROMER
Humidity measuring range: 0…100 %RH Temperature limits: -50…100 °C (-58…212 °F) Diameter: 15 mm (0.6”) Length: 85 mm (3.3”) Housing material: polycarbonate, black Standard dust filter: MFD fleece Sensor: HYGROMER
®
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HH-1
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Climate measurement
For use with indicators, data loggers and transmitters, with or without an extension cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
Weight: 50 g (1.76 oz)
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Humidity measuring range: 0…100 %RH Temperature limits: -50…100 °C (-58…212 °F) Diameter: 15 mm (0.6”)
HC2-SM
Length: 85 mm (3.3”) Housing material: Stainless steel, 1.4301 Standard dust filter: Wiremesh filter, 20…25 µm Sensor: HYGROMER
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©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Measurement in tight spaces
For use with indicators, data loggers and transmitters
Humidity measuring range: 0…100 %RH
Weight: approx. 150 g ( 5.3 oz )
Same as HC2-C05 but with 5 mm diameter (0.2”) Weight: approx. 160 g ( 5.6 oz )
Spot check measurements in air ducts, chambers and ovens
Handheld probe for use with indicators and data loggers
Humidity measuring range: 0…100 %RH
Weight: approx. 210 g ( 7.4 oz )
Humidity measuring range: 0…100 %RH
Weight: approx. 240 g ( 8.5 oz )
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Temperature limits -40…85 °C (-40…185 °F)
HC2-C04
HC2-C05
Diameter: 4 mm (0.16”), cable length (electronics – probe tip: about 0.59 m (1.9 ft) Probe electronics housing: polycarbonate, black
Can be equipped with Teflon dust filter SP-T05
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Note: Accuracy of the HC2-C04 and HC2-C05 probe models is affected by the temperature of the cable separating the sensors from the electronics (see §10.3).
Temperature limits at sensor -100…150 °C (-148…302 °F) Barrel: diameter: 15 mm (0.6”), length: 250 mm (9.8”)
HC2-HK25
HC2-HK40
Probe cable length: 2 m (6.5 ft) Handgrip: POM, black -, barrel: PEEK, black Filter base (NSP-ME) with wire mesh filter cartridge (SP-M15)
Temperature limits at sensor -100…200 °C (-148…392 °F) Same as HC2-HK25 but with barrel 400 mm barrel length (15.7”)
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Measurement of dust-free granular products in bulk
Handheld probe for use with indicators and data loggers
Humidity measuring range: 0…100 %RH
Weight: approx. 160 g (5.6 oz)
Measurement of seeds, granulates and powders in bulk
Handheld probe for use with indicators and data loggers
Humidity measuring range: 0…100 %RH
Weight: approx. 200 g ( 7.1 oz )
Humidity measuring range: 0…100 %RH Weight: approx. 250 g ( 8.8 oz )
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Temperature limits -40…85 °C (-40…185 °F)
HC2-P05
Barrel: diameter: 5 mm (0.2”), length: 200 mm (7.9”) Probe cable length: 2 m (6.5 ft) Handgrip: POM, black - barrel: stainless steel DIN 1.4305
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Temperature limits at sensor -40…85 °C (-40…185 °F) Barrel: diameter: 10 mm (0.4”), length: 280 mm (11.0”)
HC2-HP28
HC2-HP50
Probe cable length: 2 m (6.5 ft) Handgrip: POM, black - barrel: stainless steel DIN1.4301 Dust filter: sintered steel filter cartridge (ET-Z10)
Same as HC2-HP28 but with barrel 500 mm barre l length (19.7”)
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Measurement of paper – cardboard stacks and rolls
Handheld probe for use with indicators and data loggers
Humidity measuring range: 0…100 %RH
Handgrip: POM, black - blade: aluminum / elox
Same as HC2-HS28 but with 420 mm blade length (16.5”) Weight: approx. 300 g (10.6 oz)
Measurement of product samples (liquids, pastes, powders, granules or chunks)
Handheld probe for use with indicators and data loggers
Humidity measuring range: 0…100 %RH
Weight: approx. 541 g (1 lb 3.1 oz)
Power ON/OFF (push button)
Power Indicator (red LED)
Use together with WP14 or
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Temperature limits at sensor -40…85 °C (-40…185 °F)
HC2-HS28
HC2-HS42
Blade: thickness: 4 mm (0.16”), width: 22 mm (0. 8 7”), lengt h: 280 mm (11.0”) Probe cable length: 2 m (6.5 ft) Weight: approx. 240 g ( 8.5 oz )
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Temperature limits at sensor -40…85 °C (-40…185 °F)
HC2-AW
Note: When using the HC2-AW probe, check that the red LED on top of the probe is lit. This indicates that the probe is being powered. I f nece ssary , pow er the pr obe by pr essing once on t he re d but ton located on top of the probe. When the red LED is not lit, t he prob e is not powered a nd the i nstrument is not r eceiving a signal fr om the pro be.
Barrel: aluminum (top) , stainless steel (bottom) Probe cable length: 0.95 m (37.5”)
WP-40 sample cup holder Prior to use, verify the integrity
and cleanliness of the sealing O-ring located under the probe
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Process measurement (fixed installation)
For use with transmitters and data loggers
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
470 g / 16.6 oz, 5 m cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
500 g / 17.6 oz, 5 m cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
530 g / 18.7 oz, 5 m cable
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Humidity measuring range: 0… 100 %RH Temperature limits at sensor: -100…200 °C (-148…392 °F) Diameter barrel: 15 mm (0.6”)
Length (probe head): 100 mm (3.9”). See note below HC2-IC102 HC2-IC105
HC2-IC302 HC2-IC305
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 230 g / 8.1 oz, 2 m cable
Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 250 mm (3.9”). See note below
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 260 g / 9.2 oz, 2 m cable
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Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 400 mm (3.9”). See note below HC2-IC402 HC2-IC405
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 290 g / 10.2 oz, 2 m cable
®
IN-1
©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
560 g / 19.8 oz, 5 m cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
590 g / 20.8 oz, 5 m cable
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 550 mm (3.9”). See note below HC2-IC502 HC2-IC505
HC2-IC702 HC2-IC705
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 320 g / 11.3 oz, 2 m cable
Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 100 mm (3.9”). See note below
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 350 g / 12.3 oz, 2 m cable
®
IN-1
®
IN-1
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©2015; Rotronic AG E-M-HC2 Probes-V1_31
E-M-HC2 Probes-V1_31
Process measurement for hydrogen peroxide H2O2 applications
For use with transmitters and data loggers
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
470 g / 16.6 oz, 5 m cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
500 g / 17.6 oz, 5 m cable
Accuracy: ±0.8 %RH, ±0.1 K at 10…30 °C
530 g / 18.7 oz, 5 m cable
Document code Unit
Rotronic AG Bassersdorf, Switzerland
HygroClip 2 (HC2) Humidity Temperature Probes: User Guide
Document title
Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 100 mm (3.9”). See note below HC2-IC102-HH HC2-IC105-HH
HC2-IC302-HH HC2-IC305-HH
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 230 g / 8.1 oz, 2 m cable
Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 250 mm (3.9”). See note below
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 260 g / 9.2 oz, 2 m cable
®
HH -1
®
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Instruction Manual
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Humidity measuring range: 0… 100 %RH
Temperature limits at sensor: -100…200 °C (-148…392 °F)
Diameter barrel: 15 mm (0.6”)
Length (probe head): 400 mm (3.9”). See note below HC2-IC402-HH HC2-IC405-HH
Cable length: 2 m (6.5 ft)
5 m (16.4 ft)
Housing material: PEEK
Standard filter: None, must be ordered separately
Sensor: HYGROMER
Weight: 290 g / 10.2 oz, 2 m cable
®
HH -1
©2015; Rotronic AG E-M-HC2 Probes-V1_31
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