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Specifications

Table 1.

ST-600 Series Specifications

Specification

*

ST-600

ST-604

Part Number (P/N)

50231

50219

Sodium Hypochlorite
Range

0–16% mass/mass

(RTD Compensated)

0–2% mass/mass

(RTD Compensated)

Sodium Hypochlorite
Resolution

0.1%

Sodium Hypochlorite
Accuracy

±

2% of reading or

±

0.1%

Temperature Output
Range

4 mA: 32 °F (0 °C),

20 mA: 212 °F (100 °C)

Method

UV Absorbance

Calibration

Two-point calibration against standard solution

Outputs

2x 4–20mA Analog Output,

RS-485 Digital Output with Modbus protocol

Installation

1/4” OD (7 mm) Teflon tubing for measurement flow and custom tee

assembly (P/N: ST-001) with 3/4” female socket & NPT threaded ports

Cable Length

5 ft with IP67 connectors & 2 ft flying lead with IP67 adapter

Power Supply

22–26 VDC, 2W

Dimension (L

×

Dia)

6.8

×

1.44 inch (172.7

×

36.6 mm)

Weight

0.37 lbs (170 g)

Material

CPVC

Operational
Temperature

40–104 °F (4–40 °C)

Storage Temperature

20–140 °F (-7–60 °C)

Pressure

Up to 100 psi (0.7 MPa)

Enclosure Rating

IP67

Regulation

CE/RoHS

*

With Pyxis’s continuous improvement policy, these specifications are subject to change without notice.

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Unpacking Instrument

Remove the instrument and accessories from the shipping container and inspect each item for any damage
that may have occurred during shipping. Verify that all accessory items are included. If any item is missing
or damaged, please contact Pyxis Lab Customer Service at

[email protected]

.

ST-600 Series User Manual

[email protected]

| +1 (866) 203-8397

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Summary of Contents for 50219

Page 1: ......

Page 2: ...Series Bleach Concentration Sensor User Manual April 28 2021 Rev 3 01 Pyxis Lab Inc 1729 Majestic Dr Suite 5 Lafayette CO 80026 USA www pyxis lab com 2017 Pyxis Lab Inc Pyxis Lab Proprietary and Confi...

Page 3: ...Connecting to uPyxis Mobile App 9 5 3 Calibration Screen and Reading 10 5 4 Diagnosis Screen 11 5 5 Device Info Screen 12 6 Setup and Calibration with uPyxis Desktop App 12 6 1 Install uPyxis Desktop...

Page 4: ...very All service interventions are to be reviewed and authorized as correct and complete at the completion of the service by a customer representative or des ignate Pyxis warrants these services for 3...

Page 5: ...3 inline tee assemblies as an accessory option if required Teflon Tube Installation Format The second method is to install the sensor in line using the unique 1 4 OD 7 mm OD clear Teflon tubing adapte...

Page 6: ...readed ports Cable Length 5 ft with IP67 connectors 2 ft flying lead with IP67 adapter Power Supply 22 26 VDC 2W Dimension L Dia 6 8 1 44 inch 172 7 36 6 mm Weight 0 37 lbs 170 g Material CPVC Operati...

Page 7: ...t P N ST 001 7 Pin Female Adapter Flying Leads Cable 2 ft P N MA 1100 Clear Teflon Tubing 1 4 OD 6 Adapter User Manual available online at https pyxis lab com support 3 2 Optional Accessories Figure 1...

Page 8: ...bubble interfer ence Pyxis also offers 2 and 3 inline tee assemblies as an accessory option if required To properly install the ST 600 Series sensor into the ST 001 Tee Assembly follow the steps belo...

Page 9: ...e darkening prior to and after the optical channel as seen in Figure 3 Figure 3 ST 600 Series sensor with clear Teflon tube adapter 4 3 Wiring If insufficient wattage is available from the connected c...

Page 10: ...onnection to ST 600 Series sensor 4 5 Connecting via USB A USB RS485 adapter P N MA 485 can be used to connect a ST 600 Series sensor to a computer with the uPyxis Desktop App NOTE Using non Pyxis USB...

Page 11: ...with uPyxis Mobile App 5 1 Download uPyxis Mobile App Download uPyxis Mobile App from Apple App Store or Google Play Figure 6 uPyxis Mobile App installation ST 600 Series User Manual service pyxis la...

Page 12: ...1 Open uPyxis Mobile App 2 On uPyxis Mobile App pull down to refresh the list of available Pyxis devices 3 If the connection is successful the ST 600 Series and its Serial Number SN will be displayed...

Page 13: ...t to the Calibration screen From the Calibration screen you can perform calibrations by pressing on Zero Calibration Slope Calibration and 4 20mA Span Follow the screen instructions for each calibrati...

Page 14: ...screen you can check the diagnosis condition as well as Export Upload This feature may be used for technical support when communicating with service pyxis lab com Figure 9 ST 600 Series User Manual s...

Page 15: ...package will download and install the Microsoft Net Framework 4 5 if not previously installed on the PC the USB driver for the USB Bluetooth adapter MA NEB the USB RS485 adapter MA 485 and the main u...

Page 16: ...r 2 Launch uPyxis Desktop App 3 On uPyxis Desktop App click Device Connect via USB Bluetooth or Connect via USB RS485 Fig ure 12 4 If the connection is successful the ST 600 Series sensor and its Seri...

Page 17: ...n description for Device Name Product Name and Modbus Address then click Set to save Figure 13 6 4 Calibration Screen To calibrate the device click on Calibration On the Calibration screen there are t...

Page 18: ...or technical support when communicating with service pyxis lab com Figure 15 7 Outputs 7 1 4 20mA Output Setup The 4 20mA output of the ST 600 sensor is scaled as Sodium Hypochlorite 4 mA 0 20 mA 16 T...

Page 19: ...op App click 4 20mA Span found on the Calibration Screen shown in Figure 17 Figure 16 Figure 17 7 3 Communication using Modbus RTU The ST 600 Series sensor is configured as a Modbus slave device In ad...

Page 20: ...nd cleaned if required It is sug gested that the ST 600 Series sensor be checked for fouling and cleaned calibrated on a monthly basis Heavily contaminated waters may require more frequent cleanings C...

Page 21: ...ield the ST 600 Series sensor from direct sunlight and precipitation 9 Troubleshooting If the ST 600 Series sensor output signal is not stable and fluctuates significantly make an additional ground co...

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