The user-friendly cal-Light 400 is a calibrated precision light meter capable of measuring ambient illumination.
The user-friendly cal-Light 400 is a calibrated precision light meter capable of measuring ambient illumination. This ergonomically-designed unit has an angled sensor with a silicon photodiode, allowing the measurement to be taken and the output to be read simultaneously. With single-button operation, a single click switches the unit "ON", and holding the button "HOLDS" the reading. The lightmeter automatically shuts off after about one minute.
Certificate of calibration Each cal-light 400 is supplied with an individual calibration certificate guaranteed to NIST standards.