The Efento 7721 pulse counter is used to remotely monitor the number of events which may be represented by pulses. For example, the number of elements coming off the production line, the number of doors opening/closing or number of people passing through the gate in a store. 

The sensor can simultaneously work with up to three water meters. Each counted pulse represents one unit. For example, one door opening/closing, one impulse from a gas meter or one change of state of a connected device. Data is presented as the total number of pulses counted in set time intervals.

SKU 5906660327721




The counter can cooperate with any device equipped with a pulse output

Network connectivity: Spark NB-IoT network

Minimum Pulse Duration

5 millisecond

Maximum Pulse Duration

500 millisecond

Supported Counters

NO (Pull-up 3.6V)

Power supply:

2 x 3.6V ER14505 replaceable LTC batteries


27 x 71 x 71 mm

Weight: 100 g

Installation: Mount with double sided adhesive tape

Available on IoT Bridge

Leveraging Microsoft Azure platform and Qrious, IoT Bridge is a central dashboard that lets you control, configure and get insights from your IoT devices.

Find out more

Why choose Spark?

Our partnerships

We've partnered with a range of best in class local and international expertise to ensure your business has the most suitable IoT solution.

Our service

We have dedicated experts ready to identify your business problems and opportunities, then plan and deploy the right IoT solution for your business needs.

One stop shop

Our complete range of IoT solutions include hardware, connectivity, data analytics and insights and after sales support. Everything you need in one place to get your business to the future, today.

Browse solutions

Together with our forward-thinking local and global partners, we can provide the right end-to-end IoT solutions to meet your business needs. Our IoT solutions could help you reduce costs, improve health and safety, save time on monitoring and reporting, or increase efficiency and return on investment.

See IoT solutions