蓝牙 APP空气质量检测仪

USB数字双温度记录仪 R90-TT-U

USB数字单温度记录仪 R90-ET-U

USB温湿度记录仪 R90-TH-U

USB外置温湿度记录仪 R90-EX-U

USB外置温湿度记录仪 R90-DX-U

空气质量检测仪

USB手持单路热电偶记录仪 R90-EC-U

大屏温湿度记录仪R800-EX-U（LED)

USB手持四路热电偶温度记录仪 R90-FC-U

zigbee无线PT温度记录仪

USB温湿度记录仪 R600-TH-U