pH/ORP/ISE Sensors WITHOUT preamplifier Hook-Up Schematic

pH/ORP/ISE Sensors WITH preamplifier Hook-Up Schematic

pH/ORP/ISE Sensors with Mini External Preamplifier Hook-Up Schematic

Guide to quick disconnect Q7M/Q7F snap cable system for Rosemount transmitters

Model 5081 pH & ORP 2-Wire Loop-Powered Transmitter & Analyzer
  • The Transmitter has a rugged, weatherproof , corrosion-resistant enclosure.
  • NEMA 4X and IP65 of epoxy-painted aluminum.
  • This enclosure also meets NEMA 7B explosion-proof standards.
  • 24V DC Operation Standard, 12 V minimum and 42.4 maximum.
  • Continous Diagnostics monitor sensor performance and warns of failure (FAULT) or approaching failure (WARNING).
  • CE Certification for Class I, Division I Areas and FM group A-G.
  • Automatic Two-Point Buffer Calibration reduces errors.
  • Choice of  Communication Protocol: HART® or  Foundation Fieldbus.
  • Non-Volatile Memory retains program settings and calibration data during power failures.
  • Solution Temperature Compensation converts measured pH into the pH at 25°C.

Product Specifications for Hart & Fieldbus (242K-PDF)

5081 pH/ORP Operation Manual (2,465K-PDF)

Measurement

Input

Measurement Range

Outputs

Calibration Points

Compatible Sensor(s)

Special Features

pH/ORP Single or Dual Channel
- pH/ORP
- 0 to 14 pH  (standard)
- Fully Scalable from 1 to 13 pH units
- Analog  0-20 mA or 4-20 mA output for pH/ORP/ISE or temperature for each input channel
- Optional HART or ProfiBUS Digital Outputs
- 2 point auto buffer recognition for pH for slope determination
- 1 point user defined pH standardize calibration to correct for offset (drift)
- Any Suitable ASTI pH/ORP  Sensor with 100 or 1000 Ohm Platinum TC
- Any Suitable ASTI pH/ORP  Sensor with 100 or 1000 Ohm Platinum TC & 1056 compatible preamplifier
- Excellent option for severe service pH & ORP measurement in areas with flammable gas and corrosive environments.
Contacting Conductivity Single or Dual Channel
- Conductivity Cell
- Cell from 0.01 to 10.0, user selectable
- Ranges from 0-200 microSiemens (0.01/cm) to 0-200 milliSiemens (10.0/cm) as mates with cell
- Analog  0-20 mA or 4-20 mA output for Conductivity or temperature for each input channel
- Optional HART or ProfiBUS Digital Outputs

- Zero Calibration (Capitance)
- Cell Constant calibration tofFind exact effective (apparent) cell constant in standard solution or process media

- Any Suitable Contacting Conductivity  Sensor with 1000 Ohm Platinum TC

- Support for displaying in concentration units of acids, bases and electrolytes as well as salinity
- Special ultrapure water temperature compensation and support for display in resistivity units

Toroidal Conductivity (Contactless Inductive) Single or Dual Channel
- Toroidal Conductivity Sensor
- Range from 0.050 to 2,000 milliSiemens (2 Siemens) - Analog  0-20 mA or 4-20 mA output for Conductivity or temperature for each input channel
- Optional HART or ProfiBUS Digital Outputs
- Zero Calibration (Capitance)
- Cell Constant calibration tofFind exact effective (apparent) cell constant in standard solution or process media
- Any Suitable Toroidal Conductivity  Sensor with 20/20 Windings and 1000 Ohm Platinum TC

- Support for displaying in concentration units of acids, bases and electrolytes as well as salinity
- Excellent choice for strong acid, strong base and strong electrolyte solutions at elevated temperatures