H2SMART™

Internal calculation of process parameters
Built-in pump and sampling flow control enssures reliable sampling
Internal temperature control ensures stability and protects against condensation and contamination
Alarms for system failure, sampling flow out of range, etc.
No need for a reference gas cell, which simplifies installation and usage
Analog signals and industrial communications protocols supported
Sensing block and electronics embedded in the same enclosure
Integrated web server with access to diagnostics, configuration, and maintenance
Analog signals and industrial protocols available
O₂ sensor and O₂ sensor temperature inputs available
High accuracy and repeatability
Can be retrofitted on existing equipment and new installations
Built-in communication devices interface with process supervisory and automation systems
Built-in Ethernet connections
Remote diagnostics/troubleshooting possible
Active closed-loop sampling flow control with warning and alarm
System status displayed on a large, easy-to-read LCD display

Power requirements:	2.5 amps max.@ 24 VDC
Outputs:	2 x analog, sourcing, individually isolated,
	4 -20 mA (R<500 Ohm)
	4 x digital OUT, 24 VDC, 0.7 A max.
Inputs:	1 x analog, dedicated temperature sensor (optional)
	2 x digital, 24 VDC
Weight:	8.8 lb. / 4 kg
Dimensions:	7.5” H x 6.7” W x 5.5” D
	190 H mm x 170 mm W x 140 mm D
Process connection	¼” tubing (6 mm tubing adaptor available)
Performance
Accuracy:	+/- 0.5% of reading plus +/- 0.3% of full scale
Linearity:	< 0.5% of full scale
Repeatability:	< 0.5% of full scale
Zero drift:	< 0.5% of full scale per month
Sampling flow:	0.5 L/min/(1 CFH) controlled
Response time:	95% in 30 sec @ 0.5 L/min/(1 CFH)

Factory Calibration

H2Smart™ comes factory calibrated and is ready to use out of the box. To prolong its performance and ensure continued measurement accuracy, we recommend an annual factory calibration complete with certificate.

FEATURES	OPTIONS Base	OPTIONS LT	OPTIONS PRO
% H₂ measurement	•	•	•
Simplified K_N calculation*		•	•
Full K_N, K_C, K_O, calculation**			•
Modbus TCP/IP	•	•	•
Profibus, Modbus RTU or CAN Bus	⏹	⏹	⏹
O₂ Probe (FNC option)	⏹	⏹	⏹
Plate assembly	⏹	⏹	⏹
Chart recorder	⏹	⏹	⏹