Technical Data
Type	311 WH	321 TA	332 TE	331 KL
Version	With wall bracket	Rear mounting flange	Front mounting flange	With U bracket
Nominal size	Ø 80 or 100 mm
Display ranges according to EN 13190	0...100 °C
	0...120 °C
	0...160 °C
	0...250 °C
	50...650 °C
Accuracy according to EN 13190	Class 1
Medium / Application area	Liquid and gaseous media
Immersion tube connection	Bottom		Central back
Immersion tube diameter	Ø 12 mm
Immersion tube length	Between 100...400 mm
Capillary line	with Stainless steel-spiral protection, 1...15 m Length
Process connection	Connection types: A, AK
Nominal pressure	Max. 25 bar
Measuring system	Nitrogen filled
Degree of protection according to EN 60529	IP65
Medium temperature	See selected display range
Ambient temperature	-20…60 °C (only indoors)
Storage temperature	-40…60 °C
Nominal service temperature (EN 13190)	23 °C ±2 °C
Approvals	DNV
Material
Not in contact with media
Housing	Crimped-on ring, Stainless steel 1.4301, filled with silicone oil
Window	Instrument glass
Pointer movement	German silver / brass
Dial	Aluminium white with black scale markings
	Aluminium silver with black scale markings (Display range 50...650 °C)
Pointer	Aluminium black
Capillary line	Stainless steel 1.4571
In contact with media
Process connection	Stainless steel 1.4571
Immersion tube	Stainless steel 1.4572