April 30, 2019 by $125.00 TH-USBTemperature Humidity Logger TH-USB - Temperature Humidity Logger quantity Add to cart Category: Accessories Related products LDCm – 480V Line-to-DC Converter $245.00 Add to cart USB-COMM – USB Communications Cable 6 ft. $30.00 Add to cart LDC4 – Line-to-DC Converter (for all but PS3000) $325.00 Add to cart SD-MEM – SD Memory Card, 8GB $20.00 Add to cart