00234nam a22000977a 4500 160325453 RHT20 Extech Instrument 5835 Humidity/Temperature Datalogger Cable 2017-06-16 GADGETS 10562 10562 0 0 0 0 KRVIA KRVIA OS 2024-08-30 6 Serial No 160325453 Model NoRHT20 S40 2025-11-28 2025-11-15 2024-08-30 GADGETS