Miniature Temperature & Humidity Data Logger by Signatrol STG

The SL54TH and SL54TH-A models can determine dew point and absolute humidity.

• Power Source: Powered by an internal battery
• Battery Type: Uses a Panasonic BR1225 battery (non-replaceable, non-rechargeable)
• Max Measuring Range: Operates within -20°C to +85°C (-4°F to +185°F) and 0 to 100%RH (0 to 90% continuous, 90% to 100% for short periods)
• Temperature Precision: Temperature accuracy: SL54TH - ±0.5°C, SL54TH-A - ±0.1°C ± 0.1% of calibrated span + resolution / 2
• Humidity Precision: Humidity accuracy: SL54TH - ±5%, SL54TH-A - ±2%
• Data Storage: Stores up to 2,048 temperature and 2,048 humidity readings
• Memory Reuse: Yes, memory can be reused once full
• Resolution Modes: Resolution: 0.5°C in low mode, 0.07°C in high mode, 0.04%RH
• Sampling Rates: Sample rate: 2 seconds to 24 hours, with varying step sizes
• Moisture Protection: Not waterproof due to humidity measurement vent; avoid moisture ingress
• Delayed Startup: Yes, delayed start feature available
• Software Alerts: Yes, high and low alarms can be set via software
• Safety Standards: Meets UL#913 (4th Edit.) for intrinsic safety in Class I, Division 1, Group A, B, C, and D locations
• Material Composition: Made of 305 Stainless Steel
• Device Weight: Approximately 3g