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Digital-to-Analog Converter
Brand: Cox Instruments
Cox Digital-to-Analog Converters accept frequency outputs from turbine flow meters and produce an Analog signal output. These converters are designed for magnetic or radio frequency (RF) pickoffs in two different product configurations.
Converters are offered as either pucks only with wiring terminals, or in a "Y-3" explosion proof enclosure with magnetic or radio frequency pickoffs. Non-interacting ZERO and SPAN adjustments make it easy to calibrate to any measurement range.
All inputs and outputs are fully protected against reverse polarity or shorts to the power supply or ground.
Specifications
Brand
Approvals & Certifications
- CE EN 55011, EN 50022-2
Circuit Protection
- Output Protection: Short to Vdc, Common or Signal Out Continuous
Electrical Connectors
- 2-Wire Current Measurements (1,000 feet, 305 metres)
- 3-Wire Voltage Measurements (10 to 1,000 feet, 3.048 to 304.8 metres)
Enclosure, Body Material
- Aluminum
- PVC
Environmental Protection
- Explosion-proof (Class 1, Div. 1, Groups C & D, Class 2, Div. 1, Groups E, F, G, Class 3)
Frequency
- Input Range, Max.
Input
- 12-30 Vdc - DAC-253 (RF)
- 25 mA - DAC-251 (Mag)
- 5 mA - DAC-253 (RF)
- 9-38 Vdc - DAC-251 (Mag)
- Input Protection: 50 Vac, Reversed Leads - DAC-251 (Mag)
Output
- Analog: 0-10 Vdc
- Analog: 0-5 Vdc
- Analog: 10-50 mA
- Analog: 4-20 mA
- Output Ripple & Noise: 0.25 V Full Scale Is, Max.
- Output Ripple & Noise: 1 mA Full Scale Is, Max.
Response Time
- 180 milliseconds (Full Scale Change to 95 % of Final Value)
Sensitivity
- 50 mV Peak-to-Peak
Temperature Coefficient
- Current Mode: 0.026 mA/°C Is, Max.
- Voltage Mode: 0.0065 V/°C Is, Max.
Temperature Range
- -40° to 70° C (-40° to 160° F)