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Clinically Proven Accuracy

User Friendly Design

Fast and Reliable

• Tiny 0.4 µL sample size
• 4 seconds to result
• Clinically proven accuracy
• Audible fill detection reduces wasted strips

Easy to Use

• User friendly design
• Large display with bold numbers
• Auto code calibration circuitry in every strip
• Convenient test strip ejector

Premium Features

• 5 Daily test reminders
• Hypo, hyper, and ketone alarms
• 7, 14, 30, 60, and 90 day averaging
• Redosing capability within 3 seconds

About On Call® Express

At its core, the On Call® brand is committed to the health of our customers. Carefully designed for accuracy and reliability, the On Call® Blood Glucose Meter Family has helped millions of patients worldwide effectively manage their glucose levels. The foundation for successfully managing your diabetes starts with your meter. By choosing On Call®, you can rest assured knowing your meter is more than a means to accurate results; it is the cornerstone in your diabetes management.

Product Specs

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

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

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Contact Us

Contact ACON Labs for more information about the On Call® Express.

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Warranty Registration

Need to register for a 5 year warranty on your On Call® Express?

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Store Locator

Want to find On Call® Express in a store near you?

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Product Specifications

The On Call® Express Blood Glucose Monitoring System offers user friendly features for easier diabetes management at competitive prices.

The smart and powerful data management is compatible with the On Call® AppLink Bluetooth Adaptor and the On Call® Anywhere Diabetes Manager.

Quick Facts

  • Less pain with tiny blood sample
  • Fast results in 4 seconds
  • Convenient strip ejector
  • Fingertip, forearm, or palm testing
Feature Specification
Enzyme Glucose Oxidase
Measurement Range 20-600 mg/dL
Result Calibration Plasma-equivalent
Minimum Sample Size 0.4 µL
Test Time 4 seconds
Battery Life 1,000 tests
Memory Up to 300 records with date and time
Automatic Shutoff 2 minutes after last action or 5 sec after strip removal
Meter Size 85 x 40 x 16.4 mm
Display Size 35 mm x 32 mm
Operating Temperature 41-113˚F (5-45 ˚C)
Operating Relative Humidity 10-90% (non-condensing)
Hematocrit Range 25 – 60%
Alternate Site Testing Fingertip, forearm, or palm


Competitive Comparison Chart

See how the On Call® Express compares to other blood glucose meters in the market.

On Call® Express Glucose Test Strips Insert

Details on the operation of the
On Call® Express Blood Glucose Monitoring System with the On Call® Express Blood Glucose Test Strips.

English & Spanish Version

On Call® Express User Manual

Guide for operating the On Call® Express Blood Glucose Meter.

English & Spanish Version

On Call® Express Glucose Control Solution Insert

Guide for operating the On Call® Express Blood Glucose Meter.

English & Spanish Version

On Call® Express Sales Literature

An informational handout that highlights the features and benefits of the On Call® Express Blood Glucose Monitoring System

On Call® Blood Glucose Meter Family

Compare the different On Call® Meters.

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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