Interface for WATERMARK sensor or other moisture probes
(SMX)
- Supply Volts: 4 to 15 VDC
- Frequency output at open circuit: 50 hz
- Frequency output at 0 ohms: 12 khz
- Current output (also supply current) dry: 0.2 mA
- Current output (also supply current) wet: 1.0 mA
- Current output (also supply current) sensor short circuit: as high as 1.5 mA
- Voltage output: 0.2 volts to 1.0 volts typical
- Voltage output with sensor short circuit: as high as 1.5 volts
- Supply variation: >0.01% per volt
- Operating Temperature: -0°C to +70°C
- Temperature below 0°C: no meaningful signal