The UVP J-221 Longwave UV Meter, 365 nm (part 09819-71, manufacturer part 97-0003-01) is a photovoltaic ultraviolet intensity meter for measuring longwave UV sources. The J-221 measures 365 nm UV, with a sensor range from 300 to 400 nm and peak sensitivity at 365 nm.
Key Features
- Brand: UVP / Analytik Jena
- Model / Part Number: J-221
- JMG / Supplier Part Number: 09819-71
- Manufacturer Part Number: 97-0003-01
- Product Type: Longwave ultraviolet light meter / radiometer
- Measured Wavelength: 365 nm longwave UV
- Sensor Range: 300 to 400 nm UV
- Peak Sensitivity: 365 nm
- Intensity Range A Scale: 0 to 1200 µW/cm²
- Intensity Range B Scale: 1000 to 6000 µW/cm²
- Power: Photovoltaic
- Dimensions: 3 H x 3 D x 3 W in
- Metric Dimensions: 76 x 76 x 76 mm
- Weight: 9 oz (0.25 kg)
- Compliance: MIL STD 45662-A
- Calibration Traceability: Individually serialised for calibration traceability, with calibration traceable to NIST
- Application: Measuring and monitoring longwave UV light source intensity
Note: Calibration is recommended every six months according to the manufacturer source.
Benefits
- Helps monitor longwave UV lamp output for quality control and maintenance workflows.
- Photovoltaic operation supports portable use without an external power supply.
- Two intensity scales provide coverage for low and higher longwave UV readings.
- Compact 3 in body size makes the meter practical for benchtop, service and field checks.
- NIST-traceable calibration support helps laboratories maintain documented measurement confidence.
- 365 nm peak sensitivity supports applications using black light and longwave UV sources.
Why Choose the UVP J-221 Longwave UV Meter, 365 nm (09819-71)?
The UVP J-221 Longwave UV Meter, 365 nm, provides a verified longwave UV measurement tool for checking 365 nm UV source intensity. John Morris Group supplies UVP and Analytik Jena ultraviolet measurement equipment for laboratories and technical teams needing reliable UV monitoring and product matching.
