Unlock the hidden world of espresso extraction with the BOOKOO Espresso Monitor ecosystem — a professional-grade pressure analysis solution designed for precision, repeatability, and deeper insight into every shot.

Whether you’re tracking live pressure curves or upgrading your E61 grouphead with an integrated gauge, BOOKOO gives home baristas and professionals the tools to brew with data-backed confidence.

Product Variants

BOOKOO Espresso Monitor
A compact Bluetooth pressure sensor that reveals real-time extraction pressure and advanced brew analytics via the BOOKOO or Beanconqueror app.

BOOKOO E61 Tee & Gauge (For E61 Groupheads)
A mechanical pressure gauge kit designed specifically for E61 machines, allowing direct grouphead pressure readings during extraction.

BOOKOO EM Bundle (E61 Complete Set)
The ultimate E61 upgrade — combines the BOOKOO Espresso Monitor with the E61 Tee & Gauge for both digital pressure profiling and live analog monitoring.

Key Features

• Precise Pressure Tracking – Monitor real-time water pressure from 0–15 bar to fine-tune grind size, flow, and extraction profiles.
• Smart Data Analysis – Bluetooth connectivity to the BOOKOO App or Beanconqueror App enables pressure curves, shot comparisons, and long-term brew tracking.
• Flow Rate Integration – Sync with Bluetooth coffee scales such as BOOKOO Mini Coffee Scale, Acaia, and Felicita for pressure-flow correlation and deeper extraction analysis.

E61 Compatibility

• Espresso Monitor includes an M6 adapter for E61 groupheads
• E61 Tee & Gauge installs directly into E61 brew circuits for live pressure readings

• Barista Canvas Mode – Visualise pressure, flow, and temperature in real time, design multi-phase extractions, and build repeatable flavour profiles.
• Recipe & Reporting Tools – Save recipes, export brew reports, generate PDFs, and create social-media-ready graphs.

Build & Technical Specifications (Espresso Monitor)

• Material: 6063 aluminium top cover, food-grade 304 stainless steel pressure plug
• Size / Weight: 50 × 40 mm / 120 g
• Pressure Range: 0–15 bar
• Threads: G1/8 + M6 adapter
• Battery: 450 mAh, USB-C charging
• Battery Life: ~30 hours continuous use / up to 180 days standby
• Operating Temperature: 0–80 °C
• System Support: iOS & Android (BOOKOO App / Beanconqueror)

In the Box

BOOKOO Espresso Monitor

• Espresso Pressure Sensor
• M6 Adapter (for E61 groupheads)
• USB-C Charging Cable

BOOKOO E61 Tee & Gauge

• E61 Tee Connector
• Analog Pressure Gauge
• Installation Fittings

BOOKOO EM Bundle

• BOOKOO Espresso Pressure Sensor
• E61 Tee & Pressure Gauge
• M6 Adapter
• USB-C Charging Cable
• Complete E61 Installation Hardware