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Data Loggers and Measurement Systems
Relative / Absolute Humidity and Temperature Sensors
Crack Movement, Material Moisture, Voltage and Current
Detection and Registration of any Measurement Parameter
 
     
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Rissfox Mini

Analysis of crack displacements, change of length as well as relative / absolute humidity and air temperature

Fully automatic recording of crack displacements, change of length, relative / absolute humidity and air temperature thanks to the high-resolution crack analysis sensor system and the revolutionary digital CMOSens® technology !

crack movementWith the Rissfox Mini, you get one of the most advanced miniature data loggers of our time.

In its small shock-resistant and watertight housing it combines a high resolution 12-bit crack analysis electronic, an air temperature sensor and air humidity sensor, a RISC microcontroller, memory for up to 64000 measuring values and a real-time clock into an enormously powerful analysis system. The fully calibrated crack sensor which can be connected to the system is characterised by especially easy handling, small dimensions, high reliability as well as high precision.

After the fast and easy installation of the analysis sensor over the crack, the measuring system either starts automatically the measuring task previously programmed on the PC or is activated without contact via a magnetic switch. The data logger then records the measuring data at a freely adjustable rhythm.

The integrated high-speed crack monitoring allows reliable and precise detection of even shortest crack vibrations. For this purpose the system analyses the crack approximately 100 times per second and registrates the extremal values.

crack displacement

Together with the climate sensors, comprehensive and meaningful measuring data are available after a short while. The fully calibrated intelligent CMOSens® sensor for temperature and humidity is characterised in particular by its optimised long-time stability, high precision, reliability and extremely fast response time of less than 3 seconds. Laborious re-calibration is not necessary, because the sensor can simply be replaced directly on site if need be.

The batteries (AA) integrated in the data logger supply the system with power for up to two years and can be replaced easily at any time.

crack monitoringThe data logger is programmed and evaluated with the universal SoftFOX software under Microsoft Windows 98, NT, Me, 2000, XP or Vista. After connecting the Rissfox Mini to the computer via a USB or serial interface cable, the system can be read out or configured immediately.

The software offers numerous general functions like the dynamic project management, graphical data analysis, computer controlled series of measurements, dew point calculation, export functions, automatic backup, flexible zoom, and crack monitoringmuch more. Furthermore, the data logger itself can be programmed according to the needs of the user. For this purpose many software functions are available e.g. setting the measurement rhythm (1 second up to 24 hours), fully automatic start-stop-operation or ring buffered data aquisition, alarm conditions for SMS alarm notification, acoustic alarm or telephone alarm, min/max-detection for a consistent registration of extremal values, setting the system clock, precise battery test, digital serial number and much more.

In addition to the data evaluation with the computer, it is possible to connect a flexible alarm system to the data logger. By this means e.g. a SMS notification can be transmitted when the crack displayment exceeds a predefined value. It is also possible to trigger a telephone alarm, when the air temperature or humidity falls/rises below/above a specified threshold. An accustic alarm buzzer is also available.

rissbewegung

The fields of application for the Rissfox Mini are almost unlimited and range from building monitoring and damage assessment to structural condition analysis and monument protection to preventive maintenance, research and development etc.

rissbewegung

Below you find some examples, in which the Rissfox Mini / Rissfox Multisensor including sensors and accessories (such as our Remotefox - remote data communication system) are already installed:

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Customer feedback / "Our customers about us":

"I write to express my gratitude for the outstanding support you have provided during the process of installing and reading out data from the Rissfox Mini / Multisensor combination we have employed to monitor four cracks in the façade of our small apartment house in central Oslo. We are now in the middle of data collection, and the equipment has been working flawlessly so far. It is just so much better than the traditional mechanical gauges, offering much more precise measurements with much less effort overall" - Lars Groth (Oslo, Norway)

rissbewegung

Features:

  • Data memory for 16000 readings integrated (optional data memory for up to 64000 readings)
  • Measuring and storing rhythm (1 second to 24 hours) freely adjustable via pc software
  • Freely programmable fully automatic start-stop-operation or endless loop storage
  • Crystal oscillator controlled real-time clock and real-time calender integrated
  • Measuring range of the crack sensor: 10 mm (+/- 5mm)
  • Extended measuring range of the crack sensor e.g. 75mm available as customised version
  • Resolution of the crack sensor: 2.5µm = 0.0025mm = 0.0001inch
  • Length of the crack sensor cable: 2m (longer sensor cable up to 100m available on request)
  • High-speed crack monitoring with up to 100 Hz can be activated
  • No mechanical torsion of the sensor, thanks to the complete decoupling of the stopper
  • Sensor zeroing (tara function) and system start via activation magnet
  • Optional: Combined air temperature and humidity sensor (climate sensors) available
  • No calibration of the climate sensors necessary
  • Measuring range of the air temperature sensor: - 20°C to 70°C
  • Measuring range of the humidity sensor: 0 %rH to 100 %rH (dew free)
  • Resolution of both climate sensors: 0.1 °C / 0.1 %rH
  • Measuring accuracy of the air temperature sensor: <0.4 °C at 20 °C
  • Measuring accuracy of the humidity sensor: <3.0 %rH between 20 %rH and 80 %rH
  • Optional: Climate sensor with a measuring accuracy of < 1.8 %rH and < 0.3 °C
  • Repeatability of both climate sensors: 0.1 °C / 0.1 %rH
  • Long term stability of the air temperature sensor: <0.04 °C per year
  • Long term stability of the humidity sensor: <0.5 %rH per year
  • Dew point calculation available via pc software (also for thresholds different to 100 %rH)
  • Automatic min/max monitoring for gapless registration of extreme climatic values
  • Alarm output for SMS alarm system, acoustic alarm system, telephone alarm system etc.
  • Numerous other external sensors available for the data logger (e.g. 8 x object temperature)
  • Calibration certificates available on request
  • Measuring data preserved via EEPROM memory even without batteries
  • Power supply via two standard AA batteries
  • Battery lifetime up to two years (see configuration). Batteries can be replaced at any time
  • Shock-resistant and watertight data logger housing. Wall-mounting possible (screws concealed)
  • Data logger dimensions: 88 x 120 x 50 mm (HxWxD)
  • Crack sensor dimensions - "T"-shaped profile: 200 x 20 x 20 (HxWxD)
  • Crack sensor dimensions - "L"-shaped profile: 30 x 15 x 15 (HxWxD)

Depending on the memory equipment of the system, the active sensors as well as the selected measuring rhythm, the maximum measuring time can be calculated. Here some examples:

Memory capacity
Active sensors
Measuring rhythm
Measuring time
16000 readings
crack sensor
15 minutes
167 days
16000 readings
crack sensor
humidity
air temperature
15 minutes
56 days
16000 readings
crack sensor
1 hour
667 days
16000 readings
crack sensor
humidity
air temperature
1 hour
222 days
64000 readings
crack sensor
15 minutes
667 days
64000 readings
crack sensor
humidity
air temperature
15 minutes
222 days

Information - Datasheet of the Rissfox Mini (English): Download pdf document (798 kB)

Information - Datasheet of the Rissfox Mini (German): Download pdf document (803 kB)

Operating manual of the Rissfox Mini (English): Download pdf document (1,072 kB)

Operating manual of the Rissfox Mini (German): Download pdf document (970 kB)

Product Price Each Quantity My Cart
Rissfox Mini
Data logger including crack sensor, air temperature and humidity sensor as well as data memory for 16000 readings (cable: 2m)
EUR 424.37 (plus VAT)
EUR 505.00 (incl. GER-VAT)
piece
Rissfox Mini
Data logger including crack sensor as well as data memory for 16000 readings (cable: 2m)
EUR 373.95 (plus VAT)
EUR 445.00 (incl. GER-VAT)
piece
Rissfox Multisensor
4 x channel expansion module
for the direct connection to our
Rissfox Mini - data logger system
EUR 575.63 (plus VAT)
EUR 685.00 (incl. GER-VAT)
piece
SoftFOX - Analysis software
for a detailed pc data analysis. Including USB interface cable. Languages: English and German
EUR 63.03 (plus VAT)
EUR 75.00 (incl. GER-VAT)
piece
Memory expansion 64000
Memory for 64000 readings
EUR 54.62 (plus VAT)
EUR 65.00 (incl. GER-VAT)
piece
Crack sensor - Protective cover
Special protective cover as a weathering shield for the crack sensor including 4 x drying agent (silica gel) cartridges
EUR 33.61 (plus VAT)
EUR 40.00 (incl. GER-VAT)
piece
Crack sensor cable 10m
Directly attached 10m sensor cable between data logger and sensor
No extension cable!
EUR 33.61 (plus VAT)
EUR 40.00 (incl. GER-VAT)
piece
Crack sensor cable 20m
Directly attached 20m sensor cable between data logger and sensor
No extension cable!
EUR 50.42 (plus VAT)
EUR 60.00 (incl. GER-VAT)
piece
Increased sensor accuracy
Tolerance: 1,8%rH and 0,3°C
EUR 21.01 (plus VAT)
EUR 25.00 (incl. GER-VAT)
piece
Epoxy based wall glue
5 x glue packages
EUR 12.61 (plus VAT)
EUR 15.00 (incl. GER-VAT)
piece
Additional accessories for the system:
Product Price Each Quantity My Cart
Calibration certificate
per system, available for all systems
EUR 25.21 (plus VAT)
EUR 30.00 (incl. GER-VAT)
piece
Data logger storage case (size 4)
Dimensions: 410 x 272 x 113 mm
EUR 46.22 (plus VAT)
EUR 55.00 (incl. GER-VAT)
piece
Installation box (size 3)
Outside: 400 x 500 x 175 mm
Inside: 344 x 451 x 151 mm
incl. drying agent (set of 3 bags)
EUR 84.03 (plus VAT)
EUR 100.00 (incl. GER-VAT)
piece
Remotefox (remote data transfer)
Remote system for the mobile GPRS data transfer as well as alarm via email and SMS
EUR 668.07 (plus VAT)
EUR 795.00 (incl. GER-VAT)
piece
SMS-Alarm-System
Notification via SMS in any alarm situation
EUR 281.51 (plus VAT)
EUR 335.00 (incl. GER-VAT)
piece
Acoustic alarm system
Notification via acoustic signal in any alarm situation
EUR 54.62 (plus VAT)
EUR 65.00 (incl. GER-VAT)
piece
plus shipping and handling