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EW-37250-00
- Records for 1, 7, or 32 days
All models feature a human hair bundle humidity sensor and an aged bimetallic strip temperature sensor. Response time is 15 minutes for 45% of reading. Each hygrothermograph includes two felt-tipped pens (one blue and one red), one 7-day sheet of chart paper (one roll of one-month paper with long cycle model), and the appropriate battery (or batteries).
Exposure to RH levels above 90% can cause a decrease of about 7-10% RH in readings over the entire range due to temporary elongation of the hair bundle. When exposed to humidity levels below 80%, hair bundle will return to normal in about three weeks.Three-Speed, Battery-Operated Hygrothermograph
Select 1-, 7-, or 32-day operation with the flip of a switch. A flashing LED indicates that the unit is operational. Uses two C batteries (included) for up to 6 months of continuous operation. Test battery condition with the press of a button. The quartz-controlled drive mechanism consistently rotates chart drum even when batteries are weak.
| Product Type |
Temperature/Humidity Recorders |
| Min temperature (º C) |
-10 |
| Min temperature (º F) |
14 |
| Max temperature (º F) |
122 |
| RH accuracy |
±3% from 10 to 90% RH
±5% from 5 to 10% RH |
| Max temperature (º C) |
50 |
| Chart size |
6.63 in H x 11.50 in L |
| RH range |
5 to 90% RH |
| Accuracy |
±1.8°F (±1°C) |
| Battery life |
up to 6 months |
| Chart rotation |
1 day (26 hr),
7 day (172 hr), or
32 day (810 hr) |
| Dimensions |
13.25 in W x 11.50 in H x 5.58 in D |
| Model |
7210-00 |
| Manufacturer number |
7210-00 |
| Power |
two 1.5 V C batteries (included) |
| Brand |
Oakton |
at $50.00 USD/EACH
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at $27.00 USD/PACKAGE of 6
Usually ships in 4 days or sooner.
at $27.00 USD/PACKAGE of 6
In stock.
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at $202.00 USD/EACH
In stock.
at $199.00 USD/EACH
Usually ships in 7 days.
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