SPECIFICATIONS
Size | 6.2 x 3.75 x 1.75 (inches), 15.8 x 9.5 x 4.5 (cm) |
| Height with sensors 8.5 (inches), 21.6 (cm) |
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Weight | 12 oz. (350g) |
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Readout | Direct read LCD |
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Readings | · Indoor Wet Bulb Globe Temperature (IN WBGT) |
| · Outdoor Wet Bulb Globe Temperature (OUT WBGT) |
| · Wet Bulb (WB) |
| · Dry Bulb (DB) |
| · Globe Temperature (GT) |
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WBGT Value Calculations | · WBGT (outdoor) = 0.7 WB + 0.2 GT + 0.1DB |
| · WBGT (indoor) = 0.7 WB + 0.3 GT |
| WB = Wet Bulb; GT = Vernon Globe Equivalent Temperature; DB = Dry Bulb) |
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Reading Resolution | 0.1 °C/0.1 °F |
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Calibrated Ranges | 25 °C (77 °F); 45 °C (113°F); 60 °C (140 °F) |
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Response | · Electronics < 3 seconds (provided sensors are acclimatized) |
| · Sensors (90% accuracy) <2.2 minutes |
| · Sensors (95% accuracy) <4.5 minutes |
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Sensors | · Globe Temperature (GT) - Construction provides characteristics identical to 6" Vernon Globe |
| · Dry Bulb (DB) - Ambient air temperature |
| · Wet Bulb (WB) - |
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Intrinsic Safety* | CSA – Std C22.2 No. |
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Approved Batteries/Power Source | · Rechargeable |
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| · Operate continuously on 3M supplied charger (AC adapter) |
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Battery Life | Approximately 17 hours – continuous operation |
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Battery Recharge Time (NiMH) | Approximately 14 hours |
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Operating Temperature Range | 0 °C to 65 °C (32 °F to 149 °F) |
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Instrument Storage Temperature | |
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Accuracy | |
| @ air speed = 180 fpm minimum. |
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Analog/Recorder Output | 10mV/ °C ± 1mV |
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Warranty | 1 year (See WARRANTY section) |
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Data Logger (Optional) |
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Data Logger | Optional |
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Memory | Nonvolatile |
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Data Logging Storage | 511 records |
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Data Logging output | Record number, date, time, WB, DB, GT, |
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Data Logging Interval | Manually or preselected intervals of 0.5, 1, 2, 5, 6, 10, 20, or 30 minutes |
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*The
Varta is a trademark of Spectrum Brands. Duracell is a registered trademark of Proctor & Gamble. Eveready is a registered trademark of Eveready.
