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Indicators and Testers

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Wet/Dry-Bulb Psychrometer Humidity Measurement Module 4-20mA
$ 545.00 545.0 USD
Soldering kit, pocket-sized VU meter, 5 LEDs, with enclosure
$ 10.95 10.950000000000001 USD
Soldering kit, DIY, electronic decision maker, yes/no aid, doubt resolver
$ 7.95 7.95 USD
Raw Water/Sewerage Float Switch 10M Cable
$ 99.85 99.85000000000001 USD
PEN-M5A 5 Metre Retro-Refective Switch
$ 68.95 68.95 USD
3G/4G SMS Alarm 16 Digital Input
$ 569.95 569.95 USD
Adafruit Ultimate GPS HAT for Raspberry Pi A+/B+/Pi 2/3/4/Pi 5 - Mini Kit
$ 32.95 32.95 USD
SparkFun Qwiic Thermocouple Amplifier - MCP9600 (Screw Terminals)
$ 33.95 33.95 USD
SparkFun Spectral Sensor Breakout - AS7262 Visible (Qwiic)
$ 25.45 25.45 USD
SparkFun Environmental Sensor Breakout - BME680 (Qwiic)
$ 32.95 32.95 USD
MPL3115A2 - I2C Barometric Pressure/Altitude/Temperature Sensor
$ 13.65 13.65 USD
Akytec MultiColour SMI2 Modbus RS-485 Indicator (24x48mm)
$ 114.95 114.95 USD
Akytec SMI2 Modbus RS-485 Green Indicator (24x48mm)
$ 124.99 124.99000000000001 USD
Modbus Non Volatile Memory Module
$ 159.00 159.0 USD
ITP14 Universal Process Indicator 0-10 V / 4-20 mA (Red)
$ 124.99 124.99000000000001 USD
SparkFun LiPo Fuel Gauge
$ 14.95 14.950000000000001 USD
2 x 10K Resistors
$ 20.95 20.95 USD
Outside Wall Mount Temperature and Humidity Transmitter with BACnet MS/TP Comms
$ 249.00 249.0 USD
Pronem Mini Temperature and Humidity Sensor 4 to 20 mA output
$ 169.85 169.85 USD
EPM-3790 Digital 4-20mA Generator
$ 131.95 131.95 USD