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On Call Sure

The On Call® Sure is a powerful glucose meter that allows for accurate blood glucose testing of multiple whole blood specimen types including capillary, venous, arterial, and neonatal. With a hematocrit range of 10-70%, storage of 1000 results, and providing results in just 5 seconds, the On Call® Sure offers advanced features and specifications. Additionally, individually wrapped test strips and diabetes management software are available. The On Call® Sure is certified compliant with ISO 15197 2015.



Product Specifications






Calibration Method

No coding

Test Time

5 seconds

Sample Size

0.6 μL

Sample Type

Fresh whole blood (Capillary, Venous, Arterial and Neonatal)

Test Range

0.6 – 33.3 mmol/L (10 – 600 mg/dL)

Hematocrit Range

10 – 70%

Operating Temp Range

5 – 45 °C

Operating Humidity Range

10 – 90% (non-condensing)

Memory Storage

Up to 1000 records with time and date

Test Averaging

7, 14, 30, 60, 90-day averages


On Call Sure

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