Tail Flick Test Analgesia Meter with Temperature Option

Tail Flick Test Analgesia Meter with Temperature Option

Model I-33T

  • Tail Flick Test for mice and rats
  • Tail Temperature another first from IITC
  • Precise Programmable digital control
  • Humane cut-off feature, set by user
  • Adjustable beam intensity in 1% increments
  • Reaction is detected automatically
  • Manual override of all timer functions
  • Alphanumeric readout
  • All Functions and parameters entered via key-pad
  • RS232 output standard
  • Printer output standard
  • Footswitch standard
  • Thermal printer (optional)
  • Software for data collection (optional)


The tail flick test method is used for measuring pain sensitivity by applying a heat stimulus. The test is one that is a standard in the pain testing arena. Our unit supplies tail temperature measurements which is not available on any other Tail Flick Analgesia Meter unit on the market today; at the start of each tail flick test the temperature will be exactly (preset by user) the same for each test performed.


No Animal acclimation required!


Uniform preset temperature on all tails!


No need for an energy calibrator the exact temperature is show


IITC Life Science Tail Flick Analgesia Meters measure latency and/or temperature threshold to detect the properties of narcotic and strong non-narcotic drugs on both mice and rats. A built-in Timer is automatically stopped when the animal's tail flicks out of the beam of light. The overhead halogen light source is a pre-focused 4X6mm stimulation area at the end of the attached tail groove that has the sensor built in for automatic tail flick detection. If the animal does not flick his tail within the entered cut-off time the light beam shuts off automatically avoiding tissue damage. A built-in timer displays the reaction time in 0.01 second increments. Manual override of all timer functions is possible. The tail groove is a non-metallic material to avoid unnecessary conditioning. The unit can be controlled by the front panel or footswitch controls: Start, Stop, and Reset of test. Shutters are a thing of the past, this unit eliminates the need for shutters due to the constant ON of the light source.


*The IITC TRUE TAIL TEMPERATURE OPTION:*(T): IITC is the first company to bring this feature to market over 4 years ago they are:

  1. Measurement of tail temperature at all times.
  2. Trigger temperature is automatic at start of every test tail flick test

This optional feature allows automatic preheating of the tail. To ensure experiment protocols to be precisely controlled and repeated. This feature allows the user to SET the TAIL temperature at which the test is to be started at up to 75° C. Once that preset temperature is reached the test and the timer starts automatically and after the tail flicks the timer and light stop and the result is displayed. Readout will now show in repeatable sequence the start and end temperatures as well as test time. This unique feature will also store the set temperature unless otherwise changed eliminiating temperature variations from test to test, there is no other unit on this market with these one of a kind features. We recommend that animals be restrained with one of the IITC restrainers.


This unit solves the problem associated with tail temperature prior to and at the end of testing. See article: KJELL HOLE AND ARNE TJOLSEN: The Tail-Flick Formalin Test in Rodents: Changes in Skin Temperature as a Confounding Factor. Pain 53 (1993) pages. 247-254 Elsevier).


All functions and parameters are entered via the Key-pad

  1. Animal number, allows the user to enter a two digit ID number so that the animal can be tracked.
  2. Active Intensity, is the intensity of the stimulation light during any given test being done. From 0% to 100% light intensity(brightness).
  3. Idle Intensity, This is the intensity of the stimulation light during the ready state. 0% to 100% light intensity (brightness).
  4. Cutoff time, length of time from the start of the test until the unit will automatically end the test, from 0(Off) to 99 seconds. This feature prevents the tissue damage.
  5. Time of Day, time is entered
  6. Date, date is entered

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