Features
• Highest accuracy at 0.8 %RH and 0.3 ˚C
• Outstanding long term stability
• 20,000 data point memory with date & time stamps
• Programmable alarm limits
• Programmable recording intervals
• Psychrometric calculations of dew and frost point values available
• FDA 21 CFR Part 11 / GAMP 4 compliant
• UART interface
• Long battery life
Description
The compact data logger for humidity and temperature measurement offers high precision and reliability at a reasonable price. The HL-20 series is easy to use and
deployable in a wide range of applications. Thanks to its integrated batteries, the HL-20 works completely independently and offers its users maximum flexibility.
Applications
Warehouses, factory halls, museums, office buildings, clean rooms, shipping, libraries, test facilities
Specification
| ACCURACY AT 23 ±5 °C | ±0.8 %rh @ 10…60 %rh / ±0.3 K±1.3 %rh @ 60…100 %rh / ±0.3 K |
|---|---|
| OPERATING RANGE | -10…60 °C / 0…100 %rh |
| MEASURING RANGE WITH INTEGRATED PROBE | -10…60 °C / 0…100 %rh |
| POWER CONSUMPTION | 3x AA (1.5 V) alkali battery |
| LONG-TERM STABILITY | <1 %rh / year |
| RESPONSE TIME T 63 | 3 min. (typically) |
| PSYCHROMETRIC CALCULATIONS | Dew or frost point |
| MEASUREMENT INTERVAL | 5 sec. to 1 hour in 5 sec. increments |
| MEMORY SIZE | 20000 data values (%rh/°C, Date, Time) |
| STATUS INDICATOR LED | 5 sec.: Green flash when recording data, red flash for out-of-limit value or logger problem |
| COMMUNICATION INTERFACES | Mini USB (UART) |
| ENCLOSURE MATERIAL | ABS |
| IP PROTECTION RATING | IP40 |
| FDA/GAMP COMPATIBILITY | FDA 21 CFR Part 11 and GAMP compatible |
| DIMENSIONS | 130 x 72 x 32 mm |
