Green power, hybrid power, economic type SOUND LEVEL METER Model : SL-3113G * Power supply from generator ( battery is no need ) or DC 9V battery. * Meet IEC61672 class 2. * Auto range : 30 to....
CUP ANEMOMETER/ BAROMETER/ HUMIDITY/ TEMP. Model : ABH-4224 * Air velocity : 0.9 to 35.0 m/ s, ft/ min., km/ h, mile/ h, knots. * Barometer : 10 to 1100 hPa, mmHg, inHg. * Humidity : 10% to 95% ....
build ATC sensor, economic type PEN pH METER Model : PH-223 * 0 to 14.00 pH. * ATC ( auto temperature compensation) . * Auto calibration for pH 4, pH 7 or pH 10. * Meter with pH electrode, ....
pH MONITOR Model : PH-321M * 0 to 14.00 pH x 0.01 pH. * Accuracy : 0.1 pH ( pH 4 to pH 10) . * Auto calibration for pH 4, pH 7 or pH 10. * LCD display with back light * Power supply : DC 9V....