Armored thermocouple|WRN、WRNK -price∣specification∣theory∣model∣selection∣file- 大华仪表厂|报警仪|Armored thermocouple

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W R □ K－□ □ □ □

W	Temperature meter
R	Thermocouple
□thermocouple material	R)platinum 30%rhodium－platinum 6% rhodium
	P)platinum 10%rhodium －platinum
	N)nickel chromium triangle－nisiloy
	E)nickel chromium triangle－copper nickel
K	Armored type
□ install fixed type	1)non-fixed device type
	2)fixed ferrule thread type
	3)movable ferrule thread type
	4)fixed ferrule flange type
	5)movable ferrule flange type
□ junction box type	0)insulation type
	2)shell type
	3)waterproof type
	7)hands type
	8)same junction box type
	9)with compensating lead wire
□ form of working end	1) insulation type
	2)shell type
	7) insulation type (handle)
	8)shell type (handle)
□ multi couples	0) 3 pairs
	1) 4 pairs
	2) 5 pairs
	3) 6 pairs

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