3-2751-2 GF Signet pH/ORP Smart Sensor Electronics
Product Description
GF Signet’s 2751-2 DryLoc In-line with EasyCal pH/ORP Smart Sensor Electronic (3-2751-2) has an In-line, PBT (thermal plastic polyester) and polypropylene (retaining nut) material with a junction box and EasyCal, recommended for 4 to 20 mA use. It is the ideal solution for field-free calibration, out of range glass impedance and broken glass detection, alerting the operator to probe failure or maintenance needs.
The 2751 comes equipped with two different outputs: a two-wire 4 to 20 mA loop output with optional EasyCal function or a digital (S3L) output which allows for longer cable lengths and is compatible with all Signet 8900, 9900 and 9950 instruments or in blind, 4 to 20 mA.
Product Information
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Probe health monitoring, glass impedance and broken glass detection
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Memory chip interface that allows for transferable calibration, runtime data, and manufacturing information
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In-line integral mount version
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Automatic temperature compensation
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Auto configuration for pH or ORP operation
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Optional EasyCal calibration aid with automatic pH buffer recognition for 4, 7 and 10 pH and ORP solutions: quinhydrone saturated pH 4 or 7 buffers and Light's Solution +469 mV
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Junction boxes for convenient wiring
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Patented DryLoc connector provides a quick and secure connection to the sensor
| General |
| Compatible Electrodes |
| | Signet DryLoc® pH and ORP Electrodes, Models 2724-2726, 2734-2736, 2756-2757 Wet-Tap, 2764-2767, 2774-2777 |
| Operating Range | pH | -1 to 15 pH |
| | ORP | ±2000 mV |
| Response Time | pH | < 6 sec. for 95% of change |
| | ORP | Application dependent |
| Materials | In-line | PBT (thermal plastic polyester) and polypropylene (retaining nut) |
| | Submersible | CPVC |
| Electrical |
| Cable | 4.6 m | 15ft | 3-conductor shielded (3-2751-1 in-line and the 3-2751-3
or -4 submersible sensor electronics only) |
| | 22 AWG | For 9900, 9950 and 4 to 20 mA max. cable length is 300 m
(1000 ft.). For 8900, please refer to the Cable Calculation Table of the Signet catalog for max. cable length. |
| Power | 12 to 24 VDC | ±10%, regulated for 4 to 20 mA output |
| | 5 to 6.5 VDC | ±5% regulated recommended, 3 mA max., for digital (S3L) output |
| Current Output | pH | Fixed 4 to 20 mA, isolated, = 0 to 14 pH (custom scaling available with 0252 tool) |
| | ORP | Fixed 4 to 20 mA, isolated, = -1000 to +2000 mV (custom scaling available from ± 2000 mV with 0252 tool) |
| Max Loop Resistance | 100 Ω max. @ 12 V | 325 Ω max. @ 18 V | 600 Ω max. @ 24 V |
| Accuracy | ±32 μA |
| Resolution | ±5 μA |
| Update Rate | 0.5 seconds |
| Error Indication | 3.6 mA, 22 mA, or none |
| Digital (S3L) Output | Serial ASCII, TTL level 9600 bps |
| | Accuracy | pH | ± 0.02 pH @ 25 °C | ± 0.02 pH @ 77 °F |
| | ORP | ± 1.5 mV @ 25 ° C | ± 1.5 mV @ 77 °F |
| Temperature | ≤ 0.4 °C | 0.72 °F |
| Resolution | pH | ≤ 0.01 pH |
| ORP | 1.5 mV |
| Update Rate | 0.5 seconds |
| Available Data | Raw mV, pH or ORP, Temperature (pH), Glass Impedance (pH), Minimum mV (pH), Maximum mV (pH), Minimum Temperature (pH), Maximum Temperature (pH), Model Number, Serial Number, Manufacturing Date, Runtime, Slope pH/mV, Measurement Off set, and Temperature |
| Error Indication | Open input diagnostic, broken glass detection (pH), High Impedance |
| Input Impedance, Z | >1011Ω |
Product Photo
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Cooperative Brand
(DCS)
ABB / TRICONEX / FOXBORO/ I/A / HONEYWELL / TDC2000/3000 / YOKOGAWA / BENTLY NEVADA
(PLC)
B&R / ALLEN BRADLEY / BECKHOFF / HONEYWELL / OMRON / SIEMENS
(SENSOR)
IFM / SICK/ P+F/ WENGLOR / BAUMER / LEUZE / HOLLY/ SYSHOKUYO / EUCHNER
(CONNECTOR)
HARTING / PHOENIX CONTACT/ WEIDMUELLER
(VALVE)
SMC / FESTO / +GF+.......
(INSTRUMENT)
+GF+ /E+H / HITACHI / ROSEMOUNT
Why Choose Us
Xiamen ZhiCheng Automation Technology Co., Ltd it is a leading global supplier of control system components. We specialize in control systems and drives. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts. We have tens of thousands of spare partsand spare parts warehouse . Products and services to serve for installing of users control system,Distributed control systems, programmable controllers, panel controller and drive!
We major in DCS system,Sensor,PLC,Connector,Valve, and Instrument,MAGNETRON,RO Membrane. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly. If you have any further questions, please don't hesitate to contact us.
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3-2751-2 GF Signet pH/ORP Smart Sensor Electronics Images
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