LabPad® PT/INR monitoring system technical specifications

Before using the LabPad® INR PT/INR monitoring system without outside aid, you must consult your physician in order to determine a target value as well as a therapeutic range with a low and high value. Your physician will also provide your INR test frequency.

LabPad® INR

Operating conditions

Flat, stable and vibration-free surface


Location with sufficient lighting

Ambient temperature 15-32°C

Relative humidity level < 85%

Storage conditions

-10°C to +50°C (14°F to 131°F)

Transport conditions

-20°C to +70°C

In the carrying bag supplied with the device

Analysis time

~ 1 minute

User interface

Interface with two browse buttons and one central validation button

Color display

Measuring range

INR 0.8-8

PT 7.2 -72 seconds

QT 10-110%

Quality controls

Every time a Tsmart® INR microcuvette is inserted

USB interface

Micro USB B port

Battery recharge

Battery charger

Supplied with the device

Power pack 100-240v, 50-60Hz, input 0.2A, output 1.0 A

Battery autonomy

Between 40 and 70 tests when the battery is completely recharged

3 months without use


L 17.25 cm

W 7.21 cm

H 3.18 to 2.26 cm


230g net


1,000 measurements with date and time

Power off

After 2 minutes by default

Can be set from the “Settings” menu


Low Energy

Can be set from the “Settings” menu


4000 Hz
Microcuvette Tsmart® INR

Operating conditions

At ambient temperature before use

Within 10 min after opening the pouch

Storage conditions

In their individual pouch until use

Between 15 and 25°C until the expiry date indicated on the pouch

Possible refrigeration

Transport conditions

-20°C to +50°C

Blood sample size

1 drop (3µL minimum)

Quality controls

From the datamatrix of each Tsmart® INR microcuvette, every time it is inserted in the LabPad® INR.

Biological waste management

Preferably in a bin specially dedicated to infectious clinical waste