THV99
4" Temperature & Humidity Chart Recorder,
0 to +100°F, 24 hour (Old ID:TH4-24F or THP24F) |
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Features:
This temperature/humidity chart recorder provides an accurate record at a reasonable price. It provides a continuous 24-hour record of temperature and humidity on a 4" circular chart. The recorder features highly accurate quartz chart movement, a precise bi-metal, strip transducer for temperature sensing and a cellulose, acetate-butyrate humidity sensor. A single "AA" battery provides power for an entire year. This temperature/humidity recorder features a corrosive resistant, high impact, plastic case. Additional features include: On/Off switch, external battery access, pen cap storage, and external product I.D. tag.
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THV97
4" Temperature & Humidity Chart Recorder,
0 to +100°F, 7 day (Old ID:TH4-7F or THP7F) |
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Features:
This temperature/humidity chart recorder provides an accurate record at a reasonable price. It provides a continuous 24-hour record of temperature and humidity on a 4" circular chart. The recorder features highly accurate quartz chart movement, a precise bi-metal, strip transducer for temperature sensing and a cellulose, acetate-butyrate humidity sensor. A single "AA" battery provides power for an entire year. This temperature/humidity recorder features a corrosive resistant, high impact, plastic case. Additional features include: On/Off switch, external battery access, pen cap storage, and external product I.D. tag.
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