Price: 53.3
Product ID : 4381
4381 Liquid Crystal Thermometer: 10 C to 40 C, 2 C increments, 10/pack
Description
More details on associated web page:
Telatemp Liquid Crystal Thermometers
For continuous visual monitoring of surface temperatures from -22°F to 248°F (-30°C to120°C)

Buy tungsten wire, ribbon for mass spectrometer heaters here. Choose from varying thickness, Tungsten filament wire sold by the foot.