【 CAUTION 】 (1). The surface of the sensor built in the input port should be kept away from dust or other impurities, in particular, be careful removing and fitting connectors or adapters. (2). Before use, clean the Sensor-port with canned air or a new cotton swab according to "3-4.
1. Characteristics (1). Model 211B/212B/213B lightweight pocket type MiNi optical power meter is designed to measure optical power and attenuation in fiber optics communication. (2). Model 211B is calibrated at 850, 1310, 1490 and 1550nm. Model 212B is calibrated at 1310, 1490, 1550 and 1650nm. Model 213B is calibrated at 1310, 1490, 1550 and 1625nm.
3. Operation instruction ⑥ ③ 3-1 Descriptions ④ ① Power Switch ON /OFF ON : Press this button “ON”, the unit is to operate. ② The auto-power-off function works in this position. To turn this function off, press the button for three ①...
⑥ Strap hole The strap is to be put on here. ⑦ Cover The Cover protects the sensor port, operation buttons and the LCD display area when the unit is not in use. Rear side 3-2 Operation AA Battery (1). Battery Slide the battery cover off as indicated.
During the measurement, if the optical power input is out of the measurement range, over(Hi-dBm) / under(Lo-dBm) range indicators will appear in the display. (7). Relative measurement (Model 211B/212B-1/213B-1) To set the current input power as the reference value, hold down the “(REL)”...
3-4 Cleaning of the sensor Warning: The surface of the sensor is the glass of 0.3 mm in thickness. Do not clean the sensor directly with cleaning tools such as "Ferrule-mate", "One-Click -Cleaner" or "CLETOP-stick", with the connector adapter attached. Do not rub the sensor surface strongly, or sensor may be broken or damaged.
4-2 General MODEL 211B 212B 213B Absolute value measurement (dBm) Measurement mode Relative value measurement (dB) *1 Measurement period 3 times per second Measurement range -70dBm to +5dBm (-65dBm to +5dBm at 850nm) Resolution 0.01dB (below -50dBm, 0.1dB) Display Over / Under flow “Hi dBm”...
Return accessories with the instrument if required. Warranty Graytechnos Co.,Ltd. warrants this product to be free from defects in material and/or workmanship for one full year from date of shipment. During the warranty period, we will, at our option, repair or replace any product which proves to be defective.
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