Ringelmann black meter (10-20 units) / test smoke telescope
Model: HC10 / Gold / advantages / 271 units sold
Library Number: M268272
First, use
Determination of the smoke telescope Mexican environmental authorities and industrial and mining enterprises for environmental pollution and energy conservation to monitor special equipment.
This instrument will monitor smoke on the Ringelmann smoke concentration measurement method graph prism into the telescope through high-quality long-distance determination, it is small, a large field of view, ranging far, fast, high precision and easy to carry, easy to master and a series of advantages, is an ideal of black smoke and dust monitoring equipment.
Second, the main parameters
10 × magnification telescope
50mm objective lens diameter telescope
Ringelmann black grade 0, 1, 2, 3, 4, 5
Visual observation error is not greater than 0.5
Third, the structure principle
The instrument uses the prism binocular telescope system, and in the telescope on-board system, a corresponding partition of dry Ringelmann smoke concentration level grayscale steps in Figure 1-5 blocks, the transparent part is 0, the observer through the telescope Smoke on the left eyepiece to target and block the gray ladder compared to the standard level of determination of blackness.
