Cooke cal-SPOT401 Photometer Calibrated Precision Spot Variable Focus Cooke cal-SPOT401 calSPOT401 cal SPOT401

Cooke cal-SPOT401
Calibrated Precision Spot Photometers With Variable Focus

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Cooke cal-SPOT401
Calibrated Precision Spot Photometers With Variable Focus

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Cooke cal-SPOT401

Datasheet

Operating Instructions

Features:

NIST calibration certificate with each instrument
No magnification, use with both eyes open
1 degree measuring spot
Single button operation
Autorange, 0.1 to 400,000 cd/m²
Auto power off
User-friendly operation
High stability silicon photodiode sensor with human eye response correction
Carrying case

Includes:

Instructions
Battery
Carrying case
Calibration certificate

Applications:

Road illumination studies
Setting instrument controls
Evaluation of endoscopic instruments and other fiber optic light sources
Psychological studies
Greenhouse control
CRT measurements
Vision studies

Description

The cal-SPOT 401 is a calibrated precision spot measuring brightness meter designed with emphasis on user-friendliness and accurate measurements traceable to NIST and NRC Standards. It has variable focus that measures from 8” to infinity.

Large LCD display - measuring in metric units.

Calibration Seal - affixed to every cal-SPOT after calibration assures authenticity and prevents unauthorized alterations.

"ON" and "HOLD" button - click to display reading, hold to "freeze" and auto power off.

Wide Viewing Field - zero magnification allowing both eyes to be open for comfortable viewing.

Models, Options, & Accessories

Model

Description

List Price

Sale Price

cal-SPOT401

Spot Illuminance Meter - NIST Calibration Included

$2250.00

Model

Accessories

List Price

Sale Price

cal-SPOT401-NIST

Spot Meter NIST Re-Calibration

$175.00

Specifications

Measuring Range	0.1 to 400,000 cd/m²
Measuring Field	1 degree
Viewing Field	12 degrees
Magnification	1X, no magnification
Working Distance	8" to infinity
Sensor	Silicon photodiode with photopic filter
Spectral Response	CIE photopic curve (human eye response)
Accuracy	± 5%
Dimensions and Weight	7.5” x 2.0” x 3.6”, 22oz.
Temperature Range	Operation: 32° to 130°F (0° to 55°C) Storage: -4° to 160°F (-20° to 70°C)
Calibration Certificate	Traceable to NIST and NRC Standards

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