This compact, easy-to-use thermohygrometer has three modes of operation: 1) RH probe fixed to the meter (standard); 2) RH probe fixed to the end of the optional extension cable 37803-35; and 3) RH probe attached to the optional wireless upgrade kit 37486-02. The supplied removable RH probe can be used in all three modes, and provides an exceptional ±2.5% RH accuracy. The meter features min/max/hold, a large two-line backlit display, and basic status such as battery life. The display can be easily switched between humidity, wet bulb, and dew point at the touch of a button. In addition to the standard configuration, this meter can be easily upgraded anytime to wireless. The optional wireless upgrade kit 37486-02 accepts either the standard RH probe (supplied) or the optional type
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