IUL Instruments

Microbiology Lab Automation

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Haloes Caliper - Zone Reader

haloes caliper cap


Making a precise inhibition zone measurement (100 µm resolution) manually can become a challenge. The Haloes Caliper helps to perform this in a simple and precise fashion while avoiding parallax errors in readings. Pharmaceutical and clinical labs involved in inhibition zone measurements benefit from the use of this device. A precision rotating wheel accurately measures inhibition zones while being manually spun. This comes in handy during antibiotic susceptibility testing and antibiotic potency measurements.


High resolution: The Haloes Caliper has a 100 µm resolution.

No parallax error: The Haloes Caliper’s exclusive screen-lense system avoids missing the ends of the haloes through its unique perpendicular reading technology.

Clear display of results: Results will be clearly featured in a digital display.


Magnification: Factor 2.25
Measuring range: 0-35mm
Resolution: 0.1mm
Mains: 100/240V 50/60Hz
Power: 50W
Dimensions (WxDxH): 27x23x27cm / 10.6x9.0x10.6 in
Weight: 3 kg / 6.6 lb


Specifications subject to change without notice




HALOES CALIPER Optical instrument for measuring the inhibition zone.
Cat.No. 9000900


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