US NovaLynx Relative Temperature and Humidity Indicator
The 225-HM34 relative temperature and humidity indicator incorporates a HUMICAP sensor that is precise, durable, and insensitive to dust and most chemical contaminants. Both the humidity and temperature sensors are housed in a retractable probe that can be withdrawn into a sturdy plastic housing for storage, making it a compact and portable device. It comes with a 9V battery, attached probe, protective membrane filter, and a carrying case.
