- Perfect quality-control unit displays accurate answers for every air measurement
- Easy-to-operate unit features a DATA HOLD switch allowing readings to be captured and noted
- Unit is self-contained with built-in humidity and temperature sensors, °F/°C switchable
- Response times vary from 30 seconds to 3½ minutes
General-purpose unit has a relative humidity range of 10.00 to 95.00% with a resolution of 0.01% and an accuracy of ±1.5% RH. Temperature range is 32 to 122°F or 0 to 50°C with a resolution of 0.01° and an accuracy of ±0.4°C at tested points. Multi-point calibration on an individually-numbered Traceable® Certificate which assures accuracy from an ISO/IEC 17025:2005 (1750.01) calibration laboratory accredited by A2LA. It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.
Supplied with 9-volt alkaline battery for 6 months of intermittent readings or 100 continuous hours and Traceable® Certificate. High-impact ABS plastic unit measures 2-3/4 x 8 x 1-1/2 inches. Weight is 8 ounces. Replacement battery Cat. No. 291-1112.