
Acrel Artm-Pn Wireless Temperature Measuring Equipment for 3-35kv 0.4kv Switchgear. Comply with NB/T 42086 standard, support max 60 temperature measuring nodes, P3/P6/P9/P12 multiple node models optional. Dual sensor compatibility: match ATE200 battery active sensor and ATE400 CT-powered passive wireless sensor. Two versions available: standard ARTM-Pn (only temp monitoring) and ARTM-Pn-E (integrated three-phase power metering). Multi-dimensional temperature alarm: support high temp, over temp, phase difference, sudden change and temperature rise threshold setting. Integrated multi-function power measurement for ARTM-Pn-E: voltage, current, power, 2-63 harmonics, max demand & TOU tariff. Equipped with 4 DI digital input and 2 alarm relay DO output for external warning device linkage. Standard RS485 Modbus-RTU communication, support remote data upload and centralized monitoring system access.