<p>Function description:</p> <p>1. Supply voltage: DC6-24V (DC 9V 12V 15V 24V)</p> <p>2. Working current: 8-13MA (related to the number of external )</p> <p>3. MODBUS RTU supports 03 06 function code</p> <p>4. By modifying the 485 address, up to 247 modules can be cascaded for use (please use R485 repeater for more than 16 modules)</p> <p>If Using temperature and humidity sensor, up to 8 temperature sensors can be connected at the same time( sensor not included)</p> <p>Temperature measurable range: -55\u00B0C to +125\u00B0C (-67\u00B0F to +257\u00B0F).</p> <p>Accuracy of +-0.5\u00B0C for temperatures within -10\u00B0C to 85\u00B0C.</p> <p>Dimensions: 70 X 46 X 18MM</p> <p>Weight: 40 grams</p> <p>Typical application:</p> <p>Thermostatic Controls</p> <p>Paperless recorder</p> <p>Industrial Systems</p> <p>Consumer Products</p> <p>Thermometers</p> <p>Thermally Sensitive Systems</p> <p>Indoor and outdoor temperature measurement</p> <p>Temperature in vegetable garden</p> <p>Weather forecasting, and monitoring</p> <p>Temperature in Computer Room</p> <p>Warehouse temperature</p> <p>Color: white + blue</p> <p>Material: PCB board + electronic accessories</p> <p>Package Contents:</p> <p>1 pcs R4DCB08 8CH RS485 Temperature sensor Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>