NORHOF LN2 Microdosing System #608
LN2 Automatic filling FTIR Detector / Electron Microscopy (SEM, TEM, FIB, Cryo-EM) 
The Norhof #608 LN2 microdosing system is a universal, automatic liquid nitrogen filling solution designed for a wide range of laboratory applications. Originally engineered for FTIR detector refilling, the system is now widely adopted for safe, unattended, and precise LN2 delivery to Dewars serving:
- FTIR Detectors (MCT, FPA)
- Scanning Electron Microscopes (SEM)
- Transmission Electron Microscopes (TEM)
- Focused Ion Beam (FIB) Systems
- Cryo-Electron Microscopes (Cryo-EM)
- Other small LN2-cooled laboratory instruments
Adapters are tailor-made for seamless integration with leading brands and custom setups
Key Features of the Norhof LN2 auto-fill system:
- Universal Compatibility:
Custom adapters for Bruker, Netzsch, Shimadzu, Thermo Fisher, Perkin Elmer, Agilent, Horiba, Mettler Toledo, JEOL, FEI, Zeiss, Hitachi, Thermo Fisher Scientific and more. - Plug-and-Play Operation:
Easy setup with most detectors and Dewars; no special tooling required. - Gentle, Precise Filling:
Adjustable microdosing from a few drops up to 0.5 L/min, ideal for sensitive detectors and cryo-stages. - Timed and On-Demand Refills:
Schedule fills at preset intervals or trigger manually/externally to avoid interrupting measurements. - Safe and Clean:
No operator contact with LN2; low-pressure operation (<300 mBar) for maximum safety in the lab. - No Ice Formation:
Pressure is generated by internal LN2 vaporization, preventing air ingress and ice buildup. - Quiet, Vibration-Free:
No solenoid valves or noisy pumps—ideal for sensitive instruments. - Overnight and Unattended Operation:
Supports long measurement runs and continuous instrument cooling.
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Norhof 608 LN2 Automatic FTIR Detector Or EM Dewar Filling System Data Sheet
