Model 1066 Single Channel pH, ORP, Contacting and Toroidal Conductivity 2-Wire Transmitter & Analyzer
- Chemically & Mechanically Resilient Polycarbonate NEMA 4X / CSA 4 IP66 Enclosure – Standard 1/2 DIN Cutout
- 2-Wire Loop-Powered 24VDC Power Operation with scalable 4-20mA analog current loop output standard
- Second 4-20mA loop-powered output available to send process temperature reading in addition to measured analytical liquid parameter
- Automatic Temperature Compensation via 100 or 1000 Ohm Platinum Temperature Compensation Element (Available in Standard and ACCU-TEMP fast response configurations)
- HART 7 is Standard and Foundation FieldBus available as an optional digital output
- Large LCD Display with touch membrane keypad – Menu Driven Interface and Programming
- Automatic Temperature Compensation from 0 to 150 °C (32 to 302 °F) for pH/ORP and 0 to 200 °C (32 to 392 °F) for Conductivity
- Area Classifications:
- Intrinsically Safe (with appropriate safety barrier) for:
- CSA/UL Class I, II, III, Div. 1 Groups A-G T4 Tamb = -20°C to 65°C
- ALTEX Baseefa04ATEX0195X EEx ia IIC T4 Tamb = -20°C to 65°C
- IECEx BAS 11.90098X EEx ia IIC T4 Tamb = -20°C to 65°C
- Non-Incendive:
- CSA/UL Class I, Div. 2, Groups A-D Dust Ignition Proof Class II & III, Div. 1, Groups E-G NEMA 4X Enclosure T4 Tamb = -20°C to 65°
- Intrinsically Safe (with appropriate safety barrier) for:
| 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 |
