Wiring Schematics


pH, ORP & Ion Selective Sensor Hookup Schematics

Advanced Sensor Technologies, Inc. (ASTI)

Q7F Quick Disconnect Snap Connector pH/ORP sensors with integral preamplifiers3TX with Preamp2TX with Preamp4TX with Preamp
3TX without Preamp2TX without Preamp4TX without Preamp
3TX with External Preamp

Uniloc / Rosemount Analytical Liquid Division / Emerson Process Management (EPM)

Modern Transmitters
(4-Wire Line Power)
Modern Transmitters
(2-wire Loop Power)
Legacy TransmittersLegacy Transmitters
1056 / 1057 / 56 with Preamp1066 With Preamp11812081 (FM Approved)
1056 / 1057 / 56 No Preamp1066 No Preamp54epH / 3081 / 4081 (with Preamp)2081 (Non-FM Approved)
1056, 1057, 56 with External Preamp5081 with Preamp54 (No Preamp1003
5081 No PreampXMT (with Preamp)1050
6081 With PreampXMT (No Preamp)1054
6081 No Preamp1055 (with Preamp)1054A
Q7M/Q7F Quick Disconnect Snap Connector pH/ORP sensors with integral preamplifiers1055 (No Preamp)1054B

Leeds & Northrup (L&N) / Honeywell

UDA2182 with Preamp7082 (Durafet)70757084
9072 (Honeywell)7082 (No Durafet)7079

Great Lakes Instruments (GLI) / HACH

Q7M/Q7F Quick Disconnect Snap Connector pH/ORP sensors with 5-wire differential preamp; For all modern HACH & GLI Transmitters5-Wire Differential Preamp with Tinned Leads
(P33, P53, P63 & 692P & Others)
671
672
692
690
70
570

Foxboro Analytical EChem (a division of Invensys) by Schneider Electric

870IT / 876 / 875870IT SPECIAL (No Preamp,
No Solution Ground)
873 Dual Channel (DPX)
870IT (No Preamp)872873
Johnson Yokogawa Controls (JYC)Endress & Hauser (E+H)Electro-Chemical Devices (ECD)Mettler Toledo
202 & 402 AnalyzersMost Models w/Standard HookupT-212400 (pH)
T-20 & T-272100e (pH)
T-28M300
ABB TBI-BaileyGeorg Fischer Signet (+GF+)Miscellaneous Manufacturers
TBI Model 82710IC Controls 655
AX4 Series8710Lakewood 820
9030Omega PHCN 28
2TX/3TX/4TX Preamp to Signet 8710 / 8750

Generic Hook-Up Schematics for Sensors without Preamplfiers

No Preamp (BNC Connector)External Preamp (Standard)No Preamp to External (Non-Differential) 54epHThree Wire TC Hookup
No Preamp (Lead Wires)External Preamp (Differential)Battery Powered External PreampGeneric Three-Wire TC Hook-Up
(No BNC COnnector)

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