alpha-TDS200 1/8 DIN Conductivity Controllers

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£334.39

User-Customisation through Scrolling Menu, 14-Segment LED - intuitive user interface guides user easily and simply through the setup functions
User Selectable Multi Measurement Range
Galvanically Isolated 4-20 mA Output for remote observation or hardcopy recording
Universal Power Supply Input from 85 to 250 VAC/DC allows use at several locations and withstands voltage alterations and fluctuations
2 Level Password Protection deters un authorised tampering with settings
Automatic Temperature Compensation with three -wire Pt 100 system ensures precise readings under alternating temperatures
Adjustable Temperature Coefficient (0.0 to 5.0%/oC) and selectable cell constants for more accurate measurements
Adjustable Hysteresis (Dead Band) stops rapid contact switching near set point
Non-Volatile Memory keeps all stored parameters and calibration data if the power fails
Easy and simple Installation and Wiring with detachable plug-in connectors

Extremeley suitable for drinking water, monitoring and control, hydroponics and aquaponic solution balance and control, pools and spa hardness and salinity control.

TDS Range	0.00 – 10.00 ppm 0.0 – 100.0 ppm 0.0 – 100.0 ppm 0 – 1000 ppm 0.00 – 5.00 ppt 0.00 – 10.00 ppt 0.0 to 100.0 ppt 0.0 – 200.0 ppt	0.01 ppm 0.1 ppm 0.1 ppm 1 ppm 0.01 ppt 0.01 ppt 0.1 ppt 0.1 ppt
Accuracy	± 1% of full scale
Temperature Range	-10 to 110 °C
Resolution & Relative Accuracy	0.1 °C & ±0.5 °C
Temperature Sensor	Pt 100 (3-wire)
Temperature Compensation	Auto / Manual (0°C to 100°C)
Temperature Coefficient	0.0 to 5.0 %
Set Point and Controller Functions
Function	Limit Control
Switching Hysteresis	10% of full scale
Contact Outputs, Controller	2 SPDT relays
Switching Voltage/ Current/ Power	Max 250 VAC/ Max 3A/ Max 600 VA
Electrical Data and Connections
Power Requirement	85 to 260 VAC, 50/60 Hz or DC
Signal Output/ Load	4-20mA galvanically isolated / 200Ω
Connection Terminals	3 detachable connectors (3-pin; 7-pin & 9-pin terminal blocks)
Main Fuse	250mA, Anti-surge (BUSSMAN S504 + 250mA)
Environmental Conditions
Maximum Relative Humidity	10 to 95% (Non-condensing)
Ambient Temp. Operating Range	-10 to 50 °C (14 °F to 122°F)
Mechanical Specifications
Dimensions	96 x 48 x 150 mm
Weights	300 g (boxed)

Model: alpha-TDS200 1/8 DIN

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This product was added to our catalog on Tuesday 13 October, 2009.