Invensys Foxboro 871A - Cảm biến đo pH và ORP

Foxboro 871A phù hợp cho các ứng dụng đo pH và ORP. Các transmiter chuyển đổi tín hiệu đo cho 871A là Foxboro 870PH Series , 873PH, 873DPX, 873APH, And 875PH Series , 872 và 874PH Series

Hướng dẫn lựa chọn cảm biến Foxboro 871A của hãng Invensys:

		Description	Model
871A	=	General Purpose Sensor Suitable For Most pH And ORP Measurement Applications; For Use With 870PH Series Transmitters, 873PH, 873DPX, 873APH, And 875PH Series Analyzers, 872 And 874PH Series Monitors.	871A
SIGNAL CONDITIONING:
1	=	Standard Configuration, No Preamp	1
2	=	Standard Configuration, Integral Preamp	2 (a)
3	=	Intelligent Configuration, No Preamp	3 (b)
4	=	Intelligent Configration, Integral Preamp	4 (b)
MEASURING ELECTRODE AND MATERIAL:
F	=	pH, Flat Glass	F
D	=	ORP, Platinum	D
E	=	ORP, Gold	E
OPTIONAL MODEL SUFFIX(ES) INCLUDED:
1	=	Leads Terminated With No. 6 Spade Terminals	1 (c)
3	=	Nonstandard Integral Cable Length; Maximum Of 50 Ft (15 m).	3 (d)
5	=	Nonstandard Integral Cable Length, Terminated In Male Connector	5 (e)
7	=	Standard Length 10 Ft (3 m) Integral Cable, Terminated In Male Connector	7 (e)
(a) Does not support the sensor diagnostic features of 870ITPH, 875PH, 876PH, 870ITPH,and 875PH transmitters.
(b) Compatible with 870ITPH, 876PH, 870ITPH, and 875PH Transmitter and 875PH Analyzers only.
(c) All cables that do not have connectors, have leads terminated with straight pin lugs and are now compatible with all Foxboro transmitters. Option code -1 does not provide spad lugs. Option code -1 is included for customers who automatically order it.
(d) Standard cable length is 3 m (10 ft).
(e) Requires patch cord. Not compatible with ball valve assembly mountings.