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. |
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