Light Meter (Foot-Candles), NIST Certificate of Calibration

Sper Scientific 840021C Light Meter FC with NIST Certificate of Calibration

The Sper Scientific 840021C Light Meter is a reliable, high-performance tool designed for accurately monitoring light levels in any environment. Trusted by professionals, this device delivers fast, stable, and precise readings, making it an ideal choice for labs, offices, industrial settings, or fieldwork.

Key Features and Benefits

• Highly Accurate Readings: Measures light levels with superior accuracy, meeting or exceeding published specifications. Designed with a color and cosine-corrected sensor compliant with the C.I.E. photopic spectrum for precise results. Capable of reading LED light, ensuring compatibility with modern lighting systems.
• User-Friendly Display: The extra-large display (⅞" high digits, 22 mm) ensures easy readability, even in low-light conditions. The screen provides clear indications for low battery and over-range readings for uninterrupted operation.
• External Zero Adjustment: Quickly and easily calibrate the device for optimal performance without requiring additional tools.
• Hold Function and Tripod Mount: Freeze measurements for convenience with the hold function or attach the meter to a tripod for stable, hands-free usage and enhanced accuracy during prolonged measurements.
• Durable and Portable Design: Lightweight yet durable, the meter features a compact design (7¾" × 2¾" × 1¼") and weighs only 10 oz (283 g). It’s portable and easy to carry in the included padded case with a shoulder strap.

Accessories Included:

The light meter comes ready to use with the following items:

• Soft padded carrying case with shoulder strap for protection and convenience.
• Detachable sensor with a protective cover.
• 9V battery for immediate operation.
• Detailed user instructions for seamless setup and use.

Reliable Certification and Compliance

The Sper Scientific 840021C Light Meter is tested in-house to ensure it meets or exceeds published specifications. Certifications are performed using traceable instrumentation and standards compliant with the National Institute of Standards and Technology (NIST). Each certified product includes:

• A unique serial number.
• A certification label for authenticity.
• A detailed certification testing report to guarantee reliability and accuracy

Technical Specifications:

Range 1:

• Range: 0 to 199.9 FC
• Resolution: 0.1 FC
• Accuracy: ±5% + 4 digits

Range 2:

• Range: 200 to 1999 FC
• Resolution: 1 FC
• Accuracy: ±5% + 4 digits

Operating Conditions: Tested under environmental conditions of RF field strength less than 3 V/M and frequency below 30 MHz for optimal performance.

Warranty and Compliance

• Backed by a 5-Year Warranty for peace of mind.
• CE and RoHS compliant, ensuring safety and environmental responsibility.

Recommended for Professionals

Ideal for lighting technicians, engineers, laboratory professionals, and anyone requiring precise light level measurements. For the most stable readings, using a tripod is recommended.

With its advanced features, certifications, and user-friendly design, the Sper Scientific 840021C Light Meter is a dependable tool for any lighting measurement needs. Whether you're conducting professional research or simply monitoring light levels, this device ensures consistent, accurate results every time.