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Easy and Convenient

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

• English and Spanish audible instructions assist the user from set up

to testing.

• Tactile features are designed for easy navigation.

• The high contrast strip port is easy to see and shaped for effortless insertion.

About On Call® Express Voice

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

On Call® Express Voice is a convenient, affordable and fully audible Blood Glucose Monitoring System. Its tactile features are designed for easy navigation and audible instructions to assist the user.

The small blood sample size makes it easy for a patient to utilize alternate site testing. Furthermore, it is based on the same trusted advanced biosensor technology as all other On Call Express Blood Glucose Monitoring Systems.

Quick Facts

  • Convenient, affordable and audible Blood Glucose Monitoring System
  • Clinically proven accuracy using On Call Express test strips
  • Large display for maximum visibility

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 500 records with date and time
Automatic Shutoff 2 minutes after last action or 5 sec after strip removal
Meter Size 100.0 mm x 60.8 mm x 23.9 mm
Display Size 39.2 mm x 42.3 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 Voice 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 Voice Blood Glucose Monitoring System with On Call® Express Blood Glucose Test Strips.

On Call® Express Voice User’s Manual

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

On Call® Express Glucose Control Solution Insert

Details on the operation of On Call® Express Voice Blood Glucose Monitoring System with On Call® Express Control Solution

On Call® Express Voice Sales Literature

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

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