Technical Information
|
Temperature Sensor
|
| Operation Range |
-40 to 70°C (-40 to 158°F) |
| Accuracy |
±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F), ±0.2°C from 0 to 70°C (±0.36 from 32 to 158°F) |
| Resolution |
0.04°C (0.072°F) |
Response Time
(Typical to 90%) |
3 minutes, 45 seconds in air moving 1 m/sec |
| Drift |
<0.01°C (0.018°F) per year |
Relative Humidity Sensor
|
| Operation Range |
0 to 100% RH, -40° to 70°C (-40° to 158°F)
Exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1% |
| Accuracy |
±2.5% from 10% to 90% RH typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical |
| Resolution |
0.05% |
Response Time
(Typical to 90%) |
15 seconds in air moving 1 m/sec |
| Drift |
<1% per year typical |
Logger
|
| Operation Range |
-40° to 70°C (-40° to 158°F) |
| Real-time Clock |
±1 minute per month 0° to 50°C (32° to 122°F) |
| Battery |
1/2 AA, 3.6 Volt lithium, user-replaceable (HP-B) |
| Battery Life (Typical Use) |
3 years with 1 minute or greater logging interval |
| Memory (Non-Volatile) |
64K bytes memory (approx. 21,000 temperature and RH measurements) |
| Materials |
ASA styrene polymer RH sensor cap; modified hydrophobic polyethersulfone membrane |
| Cables |
One 184 cm (6 ft) PVC cable; sensor diameter 1 cm (0.38 in.) |
Environmental
Rating |
Electronics housing is NEMA 6P equivalent (tolerant of brief submergence);
Units with RH sensors are NEMA 4 equivalent (splash-resistant) |
| Launch Modes |
Immediate start; delayed start |
| Logging Interval |
Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours |
| Offload Modes |
Offload while logging; stop and offload |
| Battery Indication |
Battery voltage can be viewed in status screen and optionally logged in datafile. Low battery indication in datafile. |
| Weight |
118 g (3.1 oz) |
| Dimensions |
Housing measures 10.2 × 3.8 cm (4.0 × 1.5 in.) |
| NIST Certificate |
Temperature certificate available for additional charge |
| CE |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). |
