Conductivity Sensor System | 2850

Description Conductivity Sensor System | 2850 Ordering Information – 2850 Integral Mount Systems, PVDF* (includes Sensor Electronics and PVDF Electrodes) with EasyCal Digital (S3L) output 3-2850-51-39V 159 001 818 2839 Electrode, 0.01 cell NPT threads 3-2850-51-40V 159 001 819 2840 Electrode, 0.1 cell NPT threads 3-2850-51-41V 159 001 820 2841 Electrode, 1.0 cell NPT threads 3-2850-51-42V 159 001 821 2842 Electrode, 10.0 cell NPT threads 3-2850-51-39VD 159 001 822 2839 Electrode, 0.01 cell ISO threads 3-2850-51-40VD 159 001 823 2840 Electrode, 0.1 cell ISO threads 3-2850-51-41VD 159 001 824 2841 Electrode, 1.0 cell ISO threads 3-2850-51-42VD 159 001 825 2842 Electrode, 10.0 cell ISO threads 4 to 20 mA output 3-2850-52-39V 159 001 826 2839 Electrode, 0.01 cell NPT threads 3-2850-52-40V 159 001 827 2840 Electrode, 0.1 cell NPT threads 3-2850-52-41V 159 001 828 2841 Electrode, 1.0 cell NPT threads 3-2850-52-42V 159 001 829 2842 Electrode, 10.0 cell NPT threads 3-2850-52-39VD 159 001 830 2839 Electrode, 0.01 cell ISO threads 3-2850-52-40VD 159 001 831 2840 Electrode, 0.1 cell ISO threads 3-2850-52-41VD 159 001 832 2841 Electrode, 1.0 cell ISO threads 3-2850-52-42VD 159 001 833 2842 Electrode, 10.0 cell ISO threads *For use when an integral 2850 system is desired (uses 2839-2842 series electrodes). Integral systems are shipped with a sensor and 2850 combined. Other 2850 systems are available with Signet 2818 to 2823 electrodes upon request. See individual electrode product pages for more information. Accessories and Replacement Parts Mfr. Part No. Code Description 3-2850.101-1 159 001 392 Plug-in NIST traceable recertification tool, 1.0 μS simulated 3-2850.101-2 159 001 393 Plug-in NIST traceable recertification tool, 2.5 μS simulated 3-2850.101-3 159 001 394 Plug-in NIST traceable recertification tool, 10.0 μS simulated 3-2850.101-4 159 001 395 Plug-in NIST traceable recertification tool, 18.2 MΩ simulated 3-2850.101-5 159 001 396 Plug-in NIST traceable recertification tool, 10.0 MΩ simulated 3-2839-1V 159 001 810 Electrode PVDF/SS- 0.01 μS/cm, ¾ inch NPT, 4.6 m (15 ft) cable 3-2839-1VD 159 001 811 Electrode PVDF/SS- 0.01 μS/cm, ISO 7/1-R 3/4, 4.6 m (15 ft) cable 3-2840-1V 159 001 812 Electrode PVDF/SS- 0.1 μS/cm, ¾ inch NPT, 4.6 m (15 ft) cable 3-2840-1VD 159 001 813 Electrode PVDF/SS- 0.1 μS/cm, ISO 7/1-R 3/4, 4.6 m (15 ft) cable 3-2841-1V 159 001 814 Electrode PVDF/SS- 1.0 μS/cm, ¾ inch NPT, 4.6 m (15 ft) cable 3-2841-1VD 159 001 815 Electrode PVDF/SS- 1.0 μS/cm, ISO 7/1-R 3/4, 4.6 m (15 ft) cable 3-2842-1V 159 001 816 Electrode PVDF/SS- 10.0 μS/cm, ¾ inch NPT, 4.6 m (15 ft) cable 3-2842-1VD 159 001 817 Electrode PVDF/SS- 10.0 μS/cm, ISO 7/1-R 3/4, 4.6 m (15 ft) cable 5523-0322 159 001 807 Sensor cable (per ft), 3 cond. plus shield, 22 AWG Note: Although a customer can extend the cable of a conductivity sensor, GF Signet does not recommend this, and offers extended cable lengths from the factory. General Compatible Electrodes All Signet Sensors Materials NPT Mount Junction Box for Integral Mount PBT Universal/Remote Mount PBT, CPVC EasyCal – Automatic Recognition of the Following Conductivity Values 146.93 μS, 1408.8 μS, 12856 μS (@25 °C) (Test solutions Per ASTM D1125-95) 10 μS, 100 μS, 200 μS, 500 μS, 1000 μS, 5000 μS, 10,000 μS, 50,000 μS, 100,000 μS (@ 25 °C) (Standard test solutions) Electrical Power 12 to 24 VDC ±10%, regulated for 4 to 20 mA output (typically called “Loop Powered”) 5 to 6.5 VDC ±5% regulated recommended (provided by the Signet 8900, 9900, 0486), 3.0 mA max for Digital (S3L) output (Reverse polarity and short circuit protected) Digital (S3L) Output: Serial ASCII, TTL level 9600 bps Accuracy Conductivity ± 2% of reading Temperature < 0.2 °C Resolution Conductivity 0.1% of reading Temperature < 0.2 °C Update Rate Conductivity and Temperature < 600 ms Available Data via Digital (S3L) Output Raw conductivity Calibrated conductivity Calibrated temperature-compensated conductivity Temperature Max. Temperature/Pressure Rating Operating Temperature -10 °C to 85 ° C 14 °F to 185 °F Storage Temperature -20 °C to 85 ° C -4 °F to 185 °F Relative Humidity 0 to 95%, non-condensing Enclosure NEMA 4X/IP65 Current Output Field-selectable ranges Factory Set Span (Integral mount only) 0.01 cell (2839**) 4 to 20 mA = 0 to 100 μS 0.10 cell (2840**) 4 to 20 mA = 0 to 1000 μS 1.0 cell (2841**) 4 to 20 mA = 0 to 10,000 μS 10.0 cell (2842**) 4 to 20 mA = 0 to 200,000 μS 20.0 cell (2823)* 4 to 20 mA = 0 to 400,000 μS *Special Order **Test certificate supplied with all sensors. Custom cell constant programmed into the electronics. Max. Loop Resistance 50 Ω @ 12 VDC 325 Ω @ 18 VDC 600 Ω @ 24 VDC Accuracy ± 2% of output span Resolution 7 μA Update Rate < 600 ms Error Indication 22 mA Pure Water Compensation When using 0.01-cm cell and raw conductivity value < 0.5 μS, the 2850 auto-switches to compensate for non-linear temperature effects found in this low conductivity (high resistivity) range. Shipping Weight NPT Mount Junction Box 0.75 kg 1.75 lb Universal Mount 0.75 kg 1.75 lb Standards and Approvals CE, FCC RoHS compliant, China RoHS Manufactured under ISO 9001 for Quality and ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety Field Selectable Ranges for 4 to 20 mA Operation The chart below indicates the field selectable ranges in which the 2850 sensor electronics can be set via internal switches. All ranges can be inverted if required. Signet Models listed below are compatible Conductivity/Resistivity electrodes. 0.01 Cell                     0.10 Cell                     1.0 cell                     10.0 Cell                     20.0 Cell Signet Model 2839 Signet Model 2840 Signet Model 2841 Signet Model 2842 Signet Model 2823 (Special Order) 10 to 20 MΩ 0 to 2 μS 0 to 20 μS 0 to 200 μS 0 to 400 μS 2 to 10 MΩ 0 to 5 μS 0 to 50 μS 0 to 500 μS 0 to 1,000 μS 0 to 2 MΩ 0 to 10 μS 0 to 100 μS 0 to 1,000 μS 0 to 2,000 μS 0 to 1 MΩ 0 to 50 μS 0 to 500 μS 0 to 5,000 μS 0 to 10,000 μS 0 to 5 MΩ 0 to 100 μS 0 to 1000 μS 0 to 10,000 μS 0 to 20,000 μS 0 to 10 MΩ 0 to 200 μS 0 to 2000 μS 0 to 50,000 μS 0 to 100,000 μS N/A 0 to 500 μS 0 to 5,000 μS 0 to 100,000 μS 0 to 200,000 μS N/A 0 to 1,000 μS 0 to 10,000 μS 0 to 200,000 μS 0 to 400,000 μS The 4 to 20 mA output ranges shown in this chart can be inverted using the internal switch Resistivity. Ranges are in BOLD Note: The 2819-2823 series Integral Systems must be ordered through special order products. Conductivity Sensor System | 2850