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Honeywell 4909 Industrial Electrolytic Conductivity Cells

Industrial Electrolytic Conductivity Cells
4909

4909 Cell Assemblies, available in 316 Stainless Steel or CPVC Plastic, allow insertion or removal of the cell without interruption to the process.

Two safety features, a restraining mechanism and an internal safety stop, provide protection to an operator for safe cell removal at pressures up to 50 psig with caution.

The plastic removal device is equipped with a purge port to flush out any accumulated debris to aid in easy insertion or removal of the cell. The replacement cell for a 4909 assembly is a 4908.

276127 Flow Chamber
Pressure 200 psig maximum @ 25°C (77°F)
Temperature 140°C (284°F) maximum @ atmospheric pressure
Flow 2 gpm @ 40 psig and atmospheric discharge
Dimensions 38 mm (1 ½") octagon x 222mm (8 ¾") long
Sample Inlet: ¾" NPTM
Sample Outlet: ¾" NPTF
Cell Port: 1.0" NPTF
4909 Series Cell
Cell Constants 0.01, 0.1, 1.0, 10, and 50 cm-1
Electrode Material Nickel, Monel or platinum, as specified. Constants 10 and higher are platinized.
Flow Velocity Maximum 5 ft./sec (1.5 m/sec)
Leadwire 4909: PVC-covered 22-gage shielded cable 20' long, as specified. If more than 20' is required, use universal head cast aluminum (head has 3/4" female NPT with 1/2" female adapter bushing) junction box and appropriate length of cable. Universal heads contain female conduit connection and terminals to accommodate cell and automatic temperature compensator connection.
Electrical Connections 6 leads with integral Automatic Temperature Compensator and EEPROM.
for 4909 316 SS Assembly
Approvals Manufactured to comply with ASME boiler and pressure vessel code Section VIII, Div. 1, UG-101. CRN #0F11607-5C
Pressure 1379 kPa (200 psig) maximum at 140°C (284°F). Maximum pressure for removal or insertion is 50 psig.
For CRN approval: 80psig @ 140°C (284°F)
Temperature 140°C (284°F) at 200 psig
Process Connection 1 1/4” NPT male
Insertion Depth Varies between 165 mm and 224 mm (6.5” and 8.8”) from end of nipple, depending on cell constant.
Overall Length From process connection: 422 mm (16.6”); 521 mm (20.5”) with junction head option
Total Length Required for Cell Removal 1130 mm (44.5”); 1238 mm (50.5”) with junction head option.
Wetted Materials 316 SS ball valve; Viton & Teflon internal sealing materials; PES cell; nickel, platinum, or monel electrodes, as specified.
Weight 4.5kg (10 lbs.)
for 4909 CPVC Plastic Assembly
Pressure and Temperature 862 kPa (125 psig) maximum @ -5°C (23°F)
621 kPa (90 psig) maximum @ 50°C (122°F)
345 kPa (50 psig) maximum @ 80°C (176°F)
Process Connection 1 1/2” NPT male
Purge Port Connection 1/4” NPT female. Purge fluid temperature and pressure not to exceed 4909 CPVC temperature and pressure specifications.
Insertion Depth Varies between 114 mm and 173 mm (4.5” and 6.8”) depending on cell constant. For 152 mm (6”) additional depth, specify 074344 tube separately.
Overall Length From process connection: 502 mm (19.7”); 564 mm (22.2”) with junction head option.
Total Length Required for Cell Removal 914 mm (36”); 1067 mm (42”) if 074344 tube is used.
Wetted Materials CPVC ball valve, Viton, Teflon & EPDM internal sealing materials, PES cell, nickel, platinum, or monel electrodes, as specified.
Weight 1.6 kg (3.5 lb.)


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