H2SMART™ - Nitrex
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H2SMART™

H2SMART™

INTELLIGENT HYDROGEN SAMPLING SYSTEM FOR NITRIDING & NITROCARBURIZING

The H2Smart™ measures hydrogen content with high accuracy in process atmospheres. It features an integrated sampling system with flow control to ensure reliable sampling and measurement. The H2Smart™ can be stand-alone or integrated into a new or existing control system.

H2Smart™ is available in 3 models:

  • Base model for % H2 measurement.
  • LT model which includes base capabilities plus simplified KN calculation.
  • PRO model which includes LT capabilities plus extended calculation of atmosphere content, KN, KC, KO and dissociation.

 

 

Documents

FEATURES & BENEFITS

  • 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

SYSTEM CHARACTERISTICS

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 connection¼” 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.

 

FEATURESOPTIONS BaseOPTIONS LTOPTIONS PRO
% H2 measurement
Simplified KN calculation*
Full KN, KC, KO, calculation**
Modbus TCP/IP
Profibus, Modbus RTU or CAN Bus
O2 Probe (FNC option)
Plate assembly
Chart recorder

  • Standard

⏹ Optional

* Simplified KN calculation – for NH3 and dNH3 atmospheres only

** Full KN, KC, or KO calculation – for NH3, dNH3, CO, CO2, N2 and H2O atmospheres

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