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9487 Dielman Rock Island Ind Dr, St. Louis, MO 63132 www.becs.com
Operation and Maintenance Manual Rev: C17
Section G: Replacement / Maintenance Parts
BECSys Loop Power Board (4 power supplies for 4-
20mA inputs)
BECSys 4-20mA output board (4 channel, 440 ohm)
with 4 power supplies for 4-20mA inputs
Single BNC cable assembly
Small watertight cord grip PG-7
BECSys7 Lid Assembly (No PCB)
2-Sensor Rectangular Flow Cell
3-Sensor Rectangular Flow Cell
Lighted Flow Cell with CP-1 Module
Lighted Flow Cell without CP-1 Module
BECSys pH Sensor (30” cable) [range: 0 to 14.0 pH]
BECSys pH Sensor (10’ cable) [ range: 0 to 14.0 pH]
BECSys ORP Sensor Platinum Band (30” cable)
[range: 0 to 1000mV]
BECSys ORP Sensor Platinum Band (10’ cable)
[range: 0 to 1000mV]
BECSys ORP Sensor Solid Gold Band (30” cable)
[range: 0 to 1000mV]
BECSys ORP Sensor Solid Gold Band (10’ cable)
[range: 0 to 1000mV]
Temperature Sensor (30” cable)
[range: 32°F to 212°F (0°C to 100°C)]
Temperature Sensor (10’ cable)
[range: 32°F to 212°F (0°C to 100°C)]
pH/ORP Sensor Maintenance Items
4/KCl solution (pint); for long-term storage of sensors
½” Wetting Cap for pH and ORP sensors
Reed flow switch [Switch Point (On): 2.0 gpm]
Rotary flow switch [Switch Point (On): 1.5 gpm]
Sample stream for round flow cell with reed flow
switch
Sample stream for round flow cell with rotary flow
switch
Sample stream for rectangular flow cell with reed flow
switch
Sample stream for rectangular flow cell with rotary
flow switch
Sample Stream for lighted flow cell
Optional Sensors - Not shown in diagrams since these sensors
are not installed in the controller sample stream.
Optional OCS140 Free Chlorine Sensor
Amperometric Sensor only, no flow cell
[range: 0 to 20 ppm]
Replacement Membranes (2 pieces) for Chlorine
Sensor 9660005
Electrolyte (50 ml) for Chlorine Sensor 9660005
Amperometric ppm Probe Nut
Optional CP-1 Free Chlorine Sensor
Replacement CP-1 Sensor (includes glass beads and
O-rings) [range: 0 to 10 ppm]
Total Chlorine Sensor only, no flow cell
[range: 0 to 20 ppm]
Optional Pressure and Vacuum
50ft Cable Pressure or Vacuum Transducer
100ft Cable Pressure or Vacuum Transducer
Pressure transducer only, no cable
[range: 0 to 100 PSI]
Vacuum transducer only, no cable
[range: -14.7 to 85 PSI]
Pressure transducer only, no cable
[range: 0 to 100 PSI]
Vacuum transducer only, no cable
[range: -14.7 to 85 PSI]
Vacuum Swichgage [range: 0 to 30 in. HG]
Pressure Swichgage [range: 0 – 50 PSI]
Differential Swichgage [range: 0 – 50 PSI]
Optional Conductivity/TDS
BECSys Conductivity Sensor
[range: 0 to 20,000 micromho]
BECSys Turbidimeter [range: 0 to 20.00 NTU]
Flowmeter (1/2” to 4”) [range: 0 to 655.35 Kgpm]
Flowmeter (5” to 8”) [range: 0 to 655.35 Kgpm]
Flowmeter (10” to 36”) [range: 0 to 655.35 Kgpm]
BECSys7 Operation and Maintenance Manual
BECSys7 Installation and Technical Manual
BECSys7 Laminated Quick Reference Sheet