Two DS18B20 probes on The Pill show the flow-return gap in the Shelly app.
Measuring boiler flow and return temperature in a house near Chisinau.
What it is, who it's for, what it does
About this product
The DS18B20 temperature sensor is a digital probe with a 1 m cable and a 3.5 mm jack connector, designed as an accessory for The Pill by Shelly controller. The DS18B20 chip runs on the 1-Wire bus and delivers steady readings across -55 ... +125 degrees C, with resolution up to 12 bits (0.0625 degrees C) and a typical accuracy of +-0.5 degrees C in the usual operating band.<br><br>The metal probe is 50 mm long and 6 mm in diameter with a stainless steel cover, which suits it for air as well as liquids such as boiler water, aquariums or heating loops. The Pill accepts up to five DS18B20 probes at once through its dedicated 3.5 mm splitter, so one device can watch several points. The connection is plug-and-play, with no screwdriver and no soldering required.
- DeliveryFree from 1500 MDL
- Returns30 days to return
- Warranty24 months
15+projects delivered300+devices installed3 yearslocal-first experienceChișinăushowroom Columna 153Book a showroom visit →
Where it works
Use cases
The stainless steel probe sits in the boiler pocket and feeds readings to The Pill.
Tracking domestic hot water in an apartment boiler.
A probe in the cellar alerts in the app when temperature leaves the set range.
Temperature control for storing preserves and wine.
For the installerTechnical specificationsfull spec · wiring · datasheet
For the installer
Technical specifications
full spec · wiring · datasheet
Environment
- Temperature range
- -55 to +125 degC
- Accuracy
- +-0.5 degC
- Resolution
- up to 0.0625 degC
Other
- Sensor chip
- DS18B20 digital 1-Wire
Physical
- Cable length
- 1 m
- Probe length
- 50 mm
- Probe diameter
- 6 mm
- Probe cover
- Stainless steel
- Weight
- 25 g
Connectivity
- Connector
- 3.5 mm jack
- Compatible host
- The Pill by Shelly, up to 5 via splitter
Support
Frequently asked questions
What device does this DS18B20 probe work with?
The probe is a passive accessory for The Pill by Shelly controller. It plugs into the 3.5 mm socket on The Pill, which reads and transmits the temperature data.What temperature range does it measure?
The DS18B20 chip measures from -55 to +125 degrees C, with resolution up to 12 bits (0.0625 degrees C) and a typical accuracy of +-0.5 degrees C in the usual operating band.How many probes can I connect to one The Pill?
The Pill by Shelly accepts up to five DS18B20 probes at the same time, through its dedicated 3.5 mm splitter, which is sold separately.Can I use the probe in water or liquids?
Yes, the metal probe has a stainless steel cover and can be placed in liquids such as boiler water, aquariums or heating loops, in addition to measuring air temperature.Does the probe connect directly to WiFi or Zigbee?
No. The probe has no radio of its own and does not connect to any network on its own. All communication goes through the host controller The Pill by Shelly, which has WiFi and Bluetooth.How long is the cable and is there another version?
This version has a 1 m cable with a 3.5 mm jack connector. There is also a 3 m version for larger distances between The Pill and the measuring point.
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Manager guidance
Questions about this product?
A CasaSmart manager calls you within 1–2 working hours and answers anything — compatibility, install, alternatives.
+373 60 944 922Updated: · reviewed by CasaSmart Expert Team