Relative Humidity and Temperature SD Card Logger

Sper Scientific 800021 RH/Temperature SD Card Logger: Your All-in-One Environmental Monitor

Effortlessly monitor and record crucial environmental data with the Sper Scientific 800021 Data Logger. This versatile device is expertly designed for professionals who demand accuracy and convenience in measuring relative humidity (RH), ambient temperature, dew point, wet bulb temperature, and external temperatures using Type K or J thermocouples.

Seamless Data Logging with SD Card Convenience Say goodbye to complicated software and cables. The 800021 records all your data directly onto a standard SD memory card, just like a digital camera.

• Unlimited Storage: When the card is full, simply swap it for a new one for endless data logging potential.
• Effortless Data Transfer: Transfer your data by inserting the SD card into any computer's card reader.
• Excel-Ready: The data is automatically pre-formatted for immediate use in Excel, saving you valuable time and eliminating the need for specialized software.

Comprehensive Environmental Readings The 800021 is more than just a temperature and humidity logger. It provides a full suite of environmental metrics:

• Relative Humidity (RH): Accurately measure moisture content in the air.
• Ambient Temperature: Monitor the temperature of the immediate surroundings.
• Dew Point & Wet Bulb: Automatically calculates these critical values from RH and temperature readings, essential for a variety of applications.
• External Temperature Probes: Functions as a high-range thermometer with compatibility for both Type K and Type J thermocouple probes (sold separately).

User-Friendly Design and Features Designed for real-world use, this data logger is packed with features that make your job easier:

• High Accuracy & Fast Response: Get reliable readings you can trust, delivered quickly.
• Large Backlit LCD: The clear, easy-to-read display ensures you can view data in any lighting condition.
• On-the-Go Functionality: Features include Min/Max recording, a data Hold function, auto power-off to conserve battery, and a low battery indicator.
• Stable & Ready: A built-in fold-out tripod allows for stable, hands-free measurements.

Ready to Use Right Out of the Box Your Sper Scientific 800021 comes as a complete kit in a durable, soft carrying case, including:

• Detachable RH/Temperature Probe
• 6 AA Batteries
• SD Memory Card
• Comprehensive Instruction Manual

An optional N.I.S.T. traceable certificate of compliance is available for quality assurance and regulatory requirements. For real-time monitoring, data can also be streamed directly to a computer using optional software and cables.

Specifications:

• Dimensions: 7" × 2¾" × 2" (178 × 70 × 51 mm)
• Weight: 1 lb (454 g)

Measurement Ranges & Accuracy:

• Relative Humidity:
  • Range: 5 to 95% RH
  • Accuracy: ≥70% RH: ±(3% rdg + 1% RH); <70% RH: ±3% RH
• Ambient Temperature:
  • Range: 32 to 122°F (0 to 50°C)
  • Accuracy: ±1.5°F (±0.8°C)
• Type K Thermometer:
  • Range: -58 to 2372°F (-50 to 1300°C)
  • Accuracy: ±(0.4% + 1.8°F) or ±(0.4% + 1°C)
• Type J Thermometer:
  • Range: -58 to 2192°F (-50 to 1200°C)
  • Accuracy: ±(0.4% + 1.8°F) or ±(0.4% + 1°C)
• Dew Point / Wet Bulb: Calculated from RH and Temperature measurements.