Thank you for purchasing a 3401 or 3402 Temperature/RH Pen. In addition to temperature and RH, the 3402 also displays dew point and wet bulb temperatures. Please read this manual thoroughly before using your meter. Specifications Temperature range 14 to 140°F (-10 to 60°C) Temperature accuracy ±1°F (±0.6°C)
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MIN/MAX Press the MIN/MAX button; MIN appears on display. The LCD screen is now showing the minimum humidity and temperature readings in memory. Press the MIN/MAX button again; MAX will show on the LCD screen. Press MIN/MAX button once again to return to the current measurement.
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This product is warranted to be free from defects in material or work- manship for one year from the date of purchase. During the warranty period Spectrum will, at its option, either repair or replace products that prove to be defective. This warranty does not cover damage due to...