10
Specifications
Integral Dissolved Oxygen Meter
Control/Logging
Field selectable to log dissolved oxygen independent of flow or in conjunction with flow. Also
controls sample collection in response to value of low/high set points.
Measurement Method
Polargraphic
Sensor
Temperature compensated; impact resistant polypropylene body
Measurement Range
0 to 20 mg/L
Resolution
0.01 mg/L
Accuracy
±0.02 mg/L
Operating Temperature
0 to 50 °C (32 to 122 °F)
Dimensions
16.5 mm ´ 12.7 cm (0.65 in. ´ 5 in.) with 19.5 mm (0.75 in.) mpt cable end
Integral Conductivity Meter
Control/Logging
Field selectable to log conductivity independent of flow or in conjunction with flow. It also
controls sample collection in response to value of low/high set points.
Sensor
Temperature compensated; impact resistant polypropylene body
Measurement Range
10 to 100 mS/cm
Resolution
0.01 mS/cm or 1 mS/cm
Accuracy
±1% of r 0.05 mS/cm
Operating Temperature
0 to 50 °C (32 to 122 °F)
Dimensions
17 mm ´ 12.7 cm (0.67 in. ´ 5 in.) with 19.5 mm (0.75 in.) mpt cable end
Rain Gauge Input
General Information
For use with Hach Tipping Bucket Rain Gauge.
Flow meter records rainfall data in 0.01 in. increments.
Analog Input Channels
General Information
Up to 7 additional data logging channels record data from external source(s)
Field assignable units
-4.5 to +4.5 V dc and 0 to 20 mA
Alarm Relays
General Information
(4) 10 amp/120 V ac or 5 amp/250 V ac form C relays
±0.1% FS Error
User assignable for any internal or external data channel or event.
4–20 mA Output
General Information
2 output signals available
User assignable
Maximum Resistive
Load
600 ohms
Output Voltage
24 V dc–no load
Insulation Voltage
Between flow meter and 4–20 mA output - 2500 V ac
Between the two 4–20 mA outputs - 1500 V ac
Содержание Sigma 950
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Страница 20: ...18 Introduction...
Страница 34: ...32 Basic Programming Setup...
Страница 50: ...48 Sensor Installation...
Страница 82: ...80 Maintenance...
Страница 83: ...81 Appendix A Program Flow Charts Figure 22 Overview of Basic Program Menus...
Страница 84: ...82 Program Flow Charts Figure 23 Setup Flow Chart...
Страница 85: ...83 Program Flow Charts Figure 24 Options Flow Chart...
Страница 86: ...84 Program Flow Charts Figure 25 Alarms Menus Flow Chart...
Страница 87: ...85 Program Flow Charts Figure 26 Calibration Menus Flow Chart Page 1...
Страница 88: ...86 Program Flow Charts...
Страница 102: ...100 Programming Features...
Страница 106: ...104 Primary Devices Head Measurement Locations...
Страница 126: ...124 SCADA Modbus System Guidelines...