Honeywell 120 & 121 Series Temperature Sensors | Discrete Thermistors – 120 Series Mini Glass Probe & 121 Series Standard Glass Probe:
120 Series and 121 Series Thermistors are shock resistant, rugged, glass-encapsulated units that are often suited for immersion in fluid and convenient for mounting in air sensor assemblies. They are available in two configurations: standard and mini.
Rapid response times
Excellent long-term stability
Weldable platinum iridium leads
120 Series Mini Glass Probe, 1,000 Ohm resistance, ±20.0% tolerance, 25/85 BETA = 3518
121 Series Standard Glass Probe, 10,000 Ohm resistance, ±20.0% tolerance, 25/85 BETA = 3669