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ELMA Electronic Control System
Brand: Pulsafeeder Engineered ProductsELMA offers over-signal protection and programmable signal loss protection.
By using an internal dip switch, you can program the ELMA to either freeze at the last setting or drive to zero in the event of a signal loss. This means an added level of protection for your pumps as well as your process.
Features- Provides fast response time in adjusting stroke length 0-100% in 15 seconds.
- Low power consumption - only 60 watts.
- High Resolution Comparator built in to actuator – no separate cabinet required.
- Compact design saves space.
- Easy installation and startup and simplified service.
- Retrofittable to any 680 and 880 pump.
- Modular design for plug-in control options.
Specifications
Ambient Temperature Range
- -13° to 149° F (-25° to 65° C)
Control Range
- 0 to 100 %
Deadband Adjustment
- 1 % to 10 %
Electric Power Required
- 120/230 Vac
Maximum Power Consumption
- 60 Watts
Output Signal
- 4-20 mA DC @ 250 ohm Impedance
Product Options
- Custom Engineered Designs, High Temperature Remote Head, Anti-siphon Valve, Degassing Valve
Response Time
- 15 seconds
Standard Signal Range
- 1-5 mA @ 1000 ohm, Impedance 4-20 mA DC @ 250 ohm, Impedance 10-50 mA DC @ 100 ohm, Impedance 1-5 Vdc @ greater than 100,000 ohm 3-15 psi Instrument Air
Stroke Length
- Fast Response Time in Adjusting Stroke Length 0-100 % in 15 seconds
Temperature
- -13° to 149° F (-25° to 65° C)
Turndown Ratio
- 10:1