The HygroLog HL20D series are data loggers for relative humidity, temperature, dew point and frost point monitoring. These loggers have integrated temperature and humidity sensors with an internal memory for up to 20,000 date and time stamped readings. Units are available with a display and are powered by 3 x AA batteries. These unit are ideal for use in pharmaceutical clean rooms, storage facilities, manufacturing areas, buildings, museums or any other critical area. Operating ranges 0 to +50°C and 0 to 100% RH with an accuracy of ±0.3°C and ±0.8%RH.
| Measurement | Humidity | Temperature | Dew/Frost Point |
| Measuring Method | Rotronic HygroMer IN-1 | PT100 RTD (IEC 751 Class A) | Calculated from %RH and °C |
| Measurement Range | 0-100%RH | 0-50°C | |
| Accuracy @ 23°C | ±1.3%RH @ 0…10%RH ±0.8%RH @ 10…60%RH ±1.3%RH @ 60…100%RH |
±0.3°C | |
| Repeatability | 0.3%RH | 0.05°C | |
| Response Time | Typical 3 Mins | Typical 10 Mins | |
| Long-term Stability | <1%RH/year | <0.1°C/year |
| Power Supply: | 3x AA (1.5 V) Alkaline Batteries |
| Measurement Interval: | 5 sec. to 1 hour in 5 sec. increments |
| Start-up Time: | 1.9 sec (typical) |
| Memory size: | 20,000 Values Pairs (%RH/°C, Date, Time) |
| Service Interface: | UART to USB |
| Enclosure material: | ABS |
| Dimensions: | 130 x 72 x 32 mm |
| IP protection rating: | IP40 |
| Weight: | 210g |
HL-20D-SET1
£522.00
HL-20D
£408.00
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