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BFS-436 PS-100 TDS Controller - $144.95 Monitors and controls TDS levels. Large, bright 5/8 inch L.E.D. display. An alarm sounds if the TDS level rises above the user-set level. Installs easily in minutes. Includes one sensor probe (at no extra cost). Protective cover also available (sold separately). Range: 0 - 999 ppm. Accuracy: ±2. Conversion Factor: NaCl (avg. 0.5). Resolution: 1 PPM. ATC: Yes (1 - 65 C). Calibration: Adjustable (manual). Setting controlled by on-screen up/down buttons. Relay Control: The unit will open or close a circuit via dry contacts when the ppm level reaches or exceeds the control setting (simple switch). Can be used to control a pump, solenoid valve or other device. Relay Voltage: 5V. Alarm: Optional steady beep (set by user). Probe: 1/2" male threads, 3 meter (9.8 ft) shielded cable. Power supply: 110VAC / 220VAC. Dimensions: 2.8 x 2.8 x 4 in. Weight: 1 lb, 8 oz. BFS-312 PSC-150 TDS Controller - $174.95 New controller includes extended range, digital calibration, on-screen temperature and tri-color display.Monitors and controls TDS levels for high output commercial systems. Large, bright L.E.D. display. An alarm will sound if the TDS level rises above the user-set level. Installs easily in minutes. Includes one sensor probe.EC Range: 0-9999 µSTDS Range: 0 - 5000 ppm Accuracy: ±2 Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999)ATC: Yes (1 - 65 degrees Celsius) Calibration: Adjustable (manual)Setting: Controlled by on-screen up/down buttons Relay Control: The unit will transmit an analog signal to a pump/valve when the ppm level reaches or exceeds the control setting (simple switch) Alarm: Optional steady beep (set by user) Display: Bright 5/8" L.E.D. display Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable Power supply: AC 110V / AC 220V Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.) Monitor Weight: 476 g (1 lb .8 oz) Total Weight: 680.4 g (1 lb 8 oz) BFS-352 PS-200 Dual TDS Controller - $174.95 Monitors and controls TDS levels of two water lines (e.g., feed water and product water) for high output commercial systems. Large, bright L.E.D. display. An alarm sounds if the TDS level for the output water rises above the user-set level. Installs easily in minutes. Includes two sensor probes. The PS-200 is a monitor for Line 1 (in-line) and a controller for Line 2 (out-line). Range: 0 – 999 ppm. Accuracy: 2 f.s. Resolution: 1 PPM. ATC: Yes (1 - 65 degrees C). Calibration: Adjustable. Relay Control: The unit transmits analog signal to pump or valve when the ppm level reaches control setting on Line 2 only. Relay Voltage: 5V. Alarm: Optional steady beep for Line 2 (set by user). Display: Bright 5/8 inch L.E.D. display. Probes: 1/2 inch bushing, 3 meter (9.8 ft) shielded cable. Power supply: AC 110V / AC 220V. Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.). Monitor Weight: 476 g (1 lb 0.8 oz). Total Weight: 822.1 g (1 lb 13 oz). BFS-354 PS-202 Dual Display TDS Controller - $194.95 Simultaneously monitors and controls the TDS levels of two water lines (e.g., the feed water and product water) for high output commercial systems.Large, bright L.E.D. displays.An alarm will sound if the TDS level rises above the user-set level for both lines. Installs easily in minutes. Includes two 1/2" sensor probes.Range: 0 - 999ppm; Accuracy: ±2; Resolution: 1 PPM; ATC: Yes (1 - 65 degrees Celsius); Calibration: Adjustable; Setting: Controlled by on-screen up/down buttons; Relay Control: The unit will transmit an analog signal to a pump/valve when the ppm levels reache or exceed the control settings for either line (simple switch). Relay Voltage: 5V; Alarm: steady beep for both lines Display: Bright 5/8" L.E.D. dual displays; 2 Probes: 1/2" bushing, 3 meter (9.8 ft) shielded cable; Power supply: AC 110V / AC 220V; Dimensions: 9.4 x 9.4 x 12.5 cm (3.7 x 3.7 x 4.9 in.); Monitor Weight: 569.8 g (1 lb 4.1 oz); Total Weight: 938.4 g (2 lbs 1.1 oz) BFS-355 CIC-152 Dual Dosing TDS/EC Controller - $308.95 This EC/TDS controller features: Two set points to control TDS/EC over a range; two alarms (max. and min.); upper limit and lower level set points to control two devices, such as a pump and solenoid valve; on-screen temperature display; digital calibration; stainless steel electrode; includes sensor with cable at no extra cost.

Accessories Pumps Powerheads Chemicals Deionization Filters Specialty Filters Media Reactor Skimmer CO2 Filter Fittings Housings & Brackets Meters & Controllers RO Membranes RO Systems RO/DI Systems Storage Tanks Tubing Refractometers Value Series Premium Series Drinking water kit Residential Series Auto Shut Off Valves Faucets Float Valves Flow Restrictors Flush Kits Pressure Gauges Other Add-on DI kits, standard -size Add-on DI kits, jumbo Ammonia-Trap Cartridge Silica-Trap Cartridge DI resin, color changing DI resin, non-color changing Cation Resin Anion Resin Filter kits Sediment Carbon/GAC Refillable Cartridges Supply Fittings Valves Tees Elbows Straight/Males Straight/Females Bulkheads Nipples Barb Fittings Other/Miscellaneous Handheld Meters In-line Meters Controllers Accessories Residential Membranes 2.0 to 2.5 Inch Membranes 4 to 6 Inch Membranes 8 Inch Membranes Peristaltic Dosing Pump 1/4 Inch 3/8 Inch 1/2 Inch Value Series Premium Series Reef/Residential RO/DI System Chloramine Special Flouride Removal pH Boost Chlorine/Metals/Scale Removal Well Water Buddy Nitrate Removal Scale Prevention