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HHTP21
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Measurement Type
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Product Specs
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| Accuracy | ± 10 % of reading ± 10 μg |
| Air Quality Measurement | 0 to 500 ug/m³ |
| Battery Size and Type | LR-6 AA |
| Battery life | 8 hr |
| Display Type | LCD |
| GrossWeightValue | 1.4 |
| Height | 75 mm |
| Length | 165 mm |
| Measurement Type | Particulate Matter, Temperature, Relative Humidity |
| Memory | 39 sets |
| Number of Batteries | 4 |
| Operating Humidity | 0 to 95% RH |
| Operating Temperature, Max | 60 °C |
| Operating Temperature, Min | 0 °C |
| Process Temperature, Max | 60 °C |
| Process Temperature, Min | -20 °C |
| Relative Humidity | 1 to 99% |
| Relative Humidity Accuracy | ± 3% RH |
| Relative Humidity Accuracy Note | ±3% RH (at 25ºC,30 to 80% RH), ±5% RH (at 25ºC, 0 to 20% RH and 80 to 100% RH) |
| Resolution | 0.1 μg/m³ |
| Response Time | Relative Humidity: 45 to 95% RH ≤ 1 min 95 to 45% RH ≤ 3 min;Temperature: 10°C/2 sec |
| Sampling Rate | 1 Hz (1 update/second) |
| Sensor Type | Photodiode Sensor, Precision Capacitance RH Sensor, Thermistor Sensor |
| Series ID | HHTP21-Meter |
| Storage Humidity, Max | below 70% RH |
| Storage Temperature, Max | 60 °C |
| Storage Temperature, Min | -10 °C |
| Supply Power Note | Four 1.5V LR-6 “AA” size batteries, AC adaptor (included) |
| Temperature Accuracy | ± 0.8 °C |
| Temperature Resolution | 0.1 °C |
| Weight | 380 g |
| Width | 93 mm |
| Country of Origin | Taiwan |
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