A sure and simple blood glucose and β-ketone monitoring system.

  • Exceeds ISO standards
  • Easy to use
  • Ability to test for β-ketones

All features

4SURE blood glucose

4SURE blood glucose test strips combine 4 gold electrodes with GDH-FAD enzyme. The β-ketone test strips have ϐ-Hydroxybutyrate Dehydrogenase as a reagent enzyme.

Automatic glucose control detection
Automatic glucose control detection
Blood glucose test strip expiration date is 24 months

Blood glucose test strip expiration date is 24 months from date of manufacture; opening of vial has no impact on expiration date. β-ketone test strips are individually foil wrapped and have 18 months shelf life.

Exceeds EN ISO 15197:2015 acceptance criteria

ISO, the International Organization for Standardization, develops and publishes international standards. EN ISO 15197:2015 was created to assess blood glucose monitoring systems. 4SURE Smart Duo not only passed the strict ISO acceptance criteria, but it exceeded the acceptance criteria. 

Hematocrit levels

Hematocrit levels may vary from person to person and can interfere with glucose readings. 4SURE Smart Duo is designed to rule out possible hematocrit interference (10-70% for β-ketone testing).

Rapid reaction time: 5 seconds
Rapid reaction time: 5 seconds (blood glucose tests) / 10 seconds (β-ketone tests)
Small sample size

Small sample size: 0.5µL (0.8 µL for β-ketone tests)

Strip port indication light
Strip port indication light
Large, easy to read backlit display
Large, easy to read backlit display
β-ketone testing possible
β-ketone testing possible
Bluetooth connectivity
Bluetooth connectivity
Pre and post meal markers
Pre and post meal markers
Suitable for drivers (For driving with diabetes, follow DVLA guidelines)
Suitable for drivers (For driving with diabetes, follow DVLA guidelines)

Compatible with

Diabetes M
Glooko
Diasend

How to use

1. Insert the blood glucose test strip into its slot; the meter will turn on automatically. The meter is ready for use when it shows the test strip image, blood drop image, and GLU.

2. Apply blood sample.

3. Read results after only 5 seconds.

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