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Results you can trust

From a meter designed for performance

Clinical Proven Accuracy

• FAD-GDH enzyme eliminates interference from maltose

• Capillary, venous, arterial, or neonatal whole blood sample testing

• Active Hematocrit Correction

Fast and Reliable

• 0.6 µL sample size

• 5 seconds to result

• Hematocrit range of 10-70%

• Audible fill detection reduces wasted strips

Convenient Features

• 2nd sample application if underfilled

• Individually foil wrapped test strips extend shelf life to 24 months

• Strip Ejector eliminates contact with used test strips

About On Call® Sure

An introduction to the On Call® Sure Blood Glucose Monitoring System.

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Product Specs

Learn more about the features and specifications that make On Call® Sure the optimal choice for Diabetes Management.

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Browse our Resources Library for documents related to the On Call® Sure.

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Contact Us

Contact ACON Laboratories for more information about the On Call® Meter Family.

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About 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

Feature Specification
Enzyme FAD-GDH
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
Automatic Shutoff 2 minutes after last action
Meter Size 90 mm × 60 mm × 16 mm
Display Size 43 mm × 40 mm


On Call® Sure Sales Literature – HCP

An informational handout that highlights the features and benefits of the On Call® Sure Blood Glucose Monitoring System for healthcare professionals.

On Call® Diabetes Management Software

PC Only. Software download and install (11 MB) for On Call® Diabetes Management Software.

English Only

On Call® Diabetes Management Software User Manual

User Manual for the On Call® Diabetes Management Software (PC Only).

English Only

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