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Two Tests in One

Glucose & Ketone

Two Tests in One Meter

• Glucose results in just 5 seconds
• Ketone results in just 10 seconds
• Compatible with On Call® Chosen or On Call® Advanced glucose test strips

User-Friendly Design

• Ketone test strips clearly labeled for easier strip identification and operation
• Strip ejector provides easy and safe disposal of used strips

Advanced Glucose Features

• Meal-markers help monitor results before and after meals
• 5 customizable test reminders
• Hypo, hyper, and ketone warnings alert users to take necessary action

About On Call® GK Dual

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

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Product Specs

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

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

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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® GK Dual

The On Call® GK Dual is a high-performance device providing the ability to test both blood glucose and ß-ketones on the same meter. Both the On Call® Chosen and On Call® Advanced test strips are compatible for use with the On Call® GK Dual for glucose testing. The On Call® Blood Ketone Test Strips are compatible for use with the On Call® GK Dual for ketone testing. These test strips are also available individually foil-wrapped for added convenience and reduced contamination risk.

Product Specifications
Feature Specification
Test Time Glucose: 5 seconds

β-ketone: 10 seconds  

Sample Size Glucose: 0.8 μL

β-ketone: 1.2 μL

Test Range Glucose: 0.6 – 33.3 mmol/L (10 – 600mg/dL)

β-ketone: 0 – 8.0 mmol/L

Hematocrit Range Glucose: Refer to strip insert

β-ketone: 20% – 70%

Operating Temp Range 5 – 45ºC (41 – 113 °F )
Operating Humidity Range 10 – 90%
Memory Storage Up to 450 blood glucose and β-ketone  records with result type, date and time
Test Averaging 7, 14, 30, 60 and 90-day averages
Battery Life Minimum of 3,000 tests
Automatic Shutoff 2 minutes after last action
Meter Size 90.3 x 58 x 19.4 mm
Display Size 40.2 mm x 36 mm 


On Call® GK Dual Sales Literature – HCP

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

On Call® GK Dual Demo Video

Watch a step by step demo video on how to use and take care of your On Call® GK Dual Blood Glucose Monitoring System

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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