Product Name: Acrel 300286. Sz Wireless Temperature Measuring Multi-Input Temperature Controlller Used in High Low Voltage Cabibet Model NO.: ARTM-Pn Measuring Medium: Temperature Screen Size: 96*96mm IP Rating: IP54 Certification: UL, RoHS, CE, ISO, CCC Customized: Non-Customized Product Namepower Supply: AC85-265V DC100-300V Brand: OEM ODM Maxium Energy Consumption: 8W Application: Switch Cabinet Installation Method: Installation Method Accuracy: Plus or Minus 2 Centigrade Degree Digital Input Acquision: 4 Way 12V Input Communication: RS485 Modbus RTU Trademark: ACREL Transport Package: Fob Shanghai Specification: 96*96mm Origin: China Product Description Product DescriptionARTM-Pn Wireless Temperature Measuring EquipmentGeneralARTM-Pn wireless temperature measuring equipment has been developed in compliance with Specification for Wireless Temperature Measuring equipment, NB/T 42086-2016. It is suitable for 3-35kV indoor switchgears, including built-in switchgears, handcart switchgears, fixed switchgears and loop-net switchgears. It is also suitable for 0.4kV low-voltage switchgears such as fixed switchgears and drawer switchgears.FeaturesWireless temperature measurement, maximum measuring 60 points;4 digital inputs;2 alarm relays;LCD display;Auxiliary power supply adapts with AC220V, DC220V, DC110V, AC110V;1 RS485 serial communication, Modbus-RTU.Technical ParametersItemsFeaturesPower SourceAC85~265V,DC100~300VPower Consumption8WCommunicationProtocolModbus-RTUBaud rate (bps)2400,4800,9600,19200EnvironmentTemperature-10ºC~55ºCHumidity≤95%Atmospheric pressure86kPa~106kPaMTBF≥50000 hActive wireless temperature sensorWireless frequency2.4GHz/2.4GHz/470MHzCommunication distance10m/10m/150m in open areaSampling frequency25sTransmitting frequency4minPower sourceBatteryInstallationBolted/Strap-secured/tied with cable tieRange of temperature-40ºC~+125ºCPrecision±2ºCApplicationJoints in high or low voltage switchgearsBattery life≥5 yearsPassive wireless temperature sensorWireless frequency470MHzCommunication distance150m in open areaSampling frequency15sTransmission frequency15sPower sourceCT-powered, starting current≥5AInstallationtied with cable tie/alloy chip fixingSensor probeIsolated/alloy bottomRange of temperature-10ºC~+125ºC/-50ºC~125ºCPrecision±2ºC/±1ºCApplicationJoints in high or low voltage switchgearsConfigurationAs above shown, the first configuration is only suitable for one cabinet.The other two types of configurations can cross 5 cabinets.LCD DisplayWiringTypical ConnectionApplicationQuotation