Global Water In the US, call toll free: 1-800-876-1172
International phone: 1-979-690-5560
Fax: 1-979-690-0440
E-mail: Globalw*
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Water Level

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Remote Monitoring

Industrial Control

PC300 Process Controller
Process control meter and industrial control system
This product is no longer available.  Please see the latest version of this product HERE.
Process Control System FEATURES:
  • Digital LCD screen
  • Easy to use 4 button interface with user selectable sensor types
  • 4-20mA analog output for recorders or displays
  • 2 independent output relays with parallel open collector signal lines
  • Water resistant enclosure
To Order Call 1-800-876-1172
Process Controller Options & Prices
On this page:

Process Controller Product Description
Process Controller Specifications
Process Controller Options & Prices

Downloads (PDF):

Process Controller Brochure
Process Controller Manual*

*May take several minutes to download, depending on your internet connection speed.
Additional Information:

Product Support

Process Controller Product Description
The Process Controller is reliable, accurate and suitable for measuring all types of 2 and 3 wire sensors with 4-20mA outputs including all of Global Water's sensors.  The controller comes pre-programmed for use with 10 different sensors and 14 engineering units.  In addition, the PC300 can be programmed at the factory to monitor any type of custom sensor in any units selected by the customer.  The controller can also monitor sensors with voltage outputs if specified at the time of purchase.

Display and Outputs
The LCD display shows the type of sensor that is being monitored, the data reading and the engineering units.  The display also indicates if either relay has been triggered since last reset, which relay was triggered and whether the maximum or minimum limit was exceeded.  Two separate relays are provided for controlling all types of external devices including samplers, alarms, mixers, pumps, control valves, floodgates and telemetry systems.  Each relay is independently programmable to trigger on maximum and/or minimum levels in one of three different modes.

The Process Controller has many applications and therefore many installation solutions.  The case is rugged and can be easily installed in a variety of conditions.  Four screw holes are provided for securing the case to a wall, panel or different types of mounting hardware.  While the case is watertight and will resist moisture, Global Water does not recommended that the PC300 be mounted outdoors without providing protection from continuous exposure to the weather.
Process Controller Specifications
Power: 90-240 AC or 12VDC
   60mA DC normal, 150mA maximum
   120uA average during sleep mode
Sensor Reading: 5 digits + decimal point
Analog Sensor Input: 4-20mA, 0-1V, or 0-5V
Input Resolution: 0.005mA, 0.24mV, or 1.2mV
Relay Contacts: Voltage: 30VDC
   Current: 5A/30VDC
   Max Capacity: 150W
   Relay 1, 2nd Output: NPN to Ground, 1.0Kohm pull-up resistor
   Relay 2, 2nd Output: NPN to Ground, Open-collector
Analog Output: 4mA minimum, 20mA maximum
   Resolution: 0.005mA
Sensor Types/Units: Water Level (Feet/Meters), Temperature (°F/°C), pH (no units), Dissolved Oxygen (%), Turbidity (NTU/ppm), Conductivity (┬ÁS), Wind Speed (MPH/KPH), Wind Direction (°), Soil Moisture (%), Custom Sensor (any of the above, mA, mV or custom programmed units)
Sensor Data Range: 0.000 to 60,000 (60000 in the display with 4 different decimal point positions)
Relay Time Ranges: 1-60,000 seconds (16.7 hours)
   Resolution: 1 second increments
Sleep Time Range: 1-240 minutes (4 hours)
   Resolution: 1 minute increments
Operating Temperature: 32 to 122 °F (0 to 50 °C)
Storage Temperature: -4 to 158 °F (-20 to 70 °C)
Enclosure (WxHxD): 4.7x7.9x3 in (12x20x7.5 cm), NEMA 4X
Weight: 31oz (879 g)
Process Controller Options & Prices
Prices listed are for United States and Canada only.  Call or e-mail us for pricing in other countries.
Terms and Conditions

PC300 Process Controller (PN# HA0000) $931
FCBAT Environmental Enclosure option (PN# BH0500)
Includes battery and battery charger
PC300-DS Process Controller Internal Datalogging option (PN# HAB000)
Includes internal GL500S-2-1.
PC300-DU Process Controller Internal Datalogging option (PN# HAA000)
Includes internal GL500U-2-1.
WA400-AC Process Controller Level Alarm $301 Process Controller Level Alarm
AD200-1 Voice Alarm Autodialers
Voice alarm autodialers includes one inputs and four phone/pager numbers.
WQS-STD Water Quality Sampling System $3,037 Water Quality Process Controller
Wind Alarm Controller $542
LevCon-SP Set Point Liquid Level Controller $726
WL200 Conductivity Level Controller
3-Probe (24 inch long) & Conductivity Level Controller System.
378 Temperature Controller $145
3675 pH Controller $342
3101 Conductivity Controller $279
3671 ORP Controller $261
6308DT Industrial Dissolved Oxygen Transmitter $635
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