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Endress+Hauser ®
The flowmeter for smallest flow rates with an ultra-compact transmitter

Promag H is the preferred sensor forapplications with highest requirements in the food and beverage and lifescience industries. Combined with the smallest transmitter housing availabletoday it delivers full performance on a smallest footprint. Designed forapplications where space is a premium, Promag H 100 will be the preferredchoice for system integrators, skid builders and equipment manufacturers.


Multivariable measurement forflow, temperature and conductivity


Flexible installation concept –numerous hygienic process connections


Energy-saving flow measurement– no pressure loss due to cross-section constriction


Space-saving transmitter – fullfunctionality on the smallest footprint


Time-saving local operationwithout additional software and hardware – integrated web server


Integrated verification –Heartbeat Technology™


the measuringprinciple is virtually independent of pressure, density, temperature andviscosity

For demandinghygienic applications.

Device properties

Liner made ofPFA; Integrated temperature measurement for Promag H 100

Sensor housingmade of stainless steel (3A, EHEDG)

Wetted materialsCIP, SIP cleanable

Robust,ultra-compact transmitter housing

High ingressprotection: IP69K

Local displayavailable



Measuring Principle


Product headline

The flowmeter for smallest flow rates with an ultra‐compact transmitter. Multivariable measurement for flow, temperature and conductivity. For demanding hygienic applications.

Sensor features

Flexible installation concept – numerous hygienic process connections. Energy‐saving flow measurement – no pressure loss due to cross‐section constriction. Maintenance‐free – no moving parts. Integrated temperature measurement. Sensor housing made of stainless steel (3A, EHEDG).

Transmitter features

Space‐saving transmitter – full functionality on the smallest footprint. Time‐saving local operation without additional software and hardware – integrated web server. Integrated verification – Heartbeat Technology™. Robust, ultra‐compact transmitter housing. High ingress protection: IP69K.

Nominal diameter range

DN 2 to 150 (¹⁄₁₂ to 6")

Wetted materials

Liner: PFA
Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022); Tantalum; Platinum

Measured variables

Volume flow, temperature, conductivity, mass flow, corrected volume flow, corrected conductivity

Max. measured error

Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s)
Volume flow (option) ±0.2 % o.r. ± 2 mm/s (0.08 in/s)

Measuring range

0.06 dm³/min to 600 m³/h (0.015 to 2650 gal/min)

Max. process pressure

PN 40, Class 150, 20K

Medium temperature range

–20 to +150 °C (–4 to +302 °F)

Ambient temperature range

–40 to +60 °C (–40 to +140 °F)

Sensor housing material

1.4301 (304), corrosion resistant

Transmitter housing material

Compact: AlSi10Mg, coated
Compact/ultra‐compact: 1.4301 (304)

Degree of protection

Standard: IP66/67, type 4X enclosure
Option: IP69K


4‐line backlit display available (no local operation)
Configuration via web browser and operating tools possible


4‐20 mA HART (active)
Pulse/frequency/switch output (passive)



Digital communication

HART, PROFIBUS DP, Modbus RS485, EtherNet/IP

Power supply

DC 20 to 30 V

Hazardous area approvals

ATEX, IECEx, cCSAus, Inmetro

Other approvals and certificates

3.1 material, calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), NAMUR
Sanitary approval: EHEDG, 3A, liner and seals acc. to FDA

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The flowmeter for smallest flow rates with an ultra-compact transmitter

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