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FEATURES * Combine the EMF adapter & the DIGITAL MULTIMETER ( set to DC 200 mV range ), it can be used a precision EMF METER. * The EMF adapter is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, home appliances and industrial devices. * The EMF adapter is a cost effective, hand-held instrument designed and calibrated to measure electromagnetic field radiation at different bandwidths down to 50 Hz/60 Hz. Use separate probe, easy to operate.
FEATURES * Cooperate with the DMM to be as a professional sound level meter. * 35 to 130 dB, 3 ranges. * Frequency weighting networks are designed to meet the IEC 61672 class 2. * A weighting networks are conformity to standards. * Fast Time weighting dynamic characteristic modes. * Condenser microphone for high accuracy & long-term stability. * Over/Under indicator. * Low battery indicator. * Frequency 31.5 Hz to 8,000 Hz. Electric condenser microphone. Size of microphone : 1/2 inch standard size.
FEATURES * Air flow : CMM (m^3/min.) and CFM (ft^3/min.) * Air velocity : m/s, ft/min, km/h, knots. * Air temperature : ℃, ℉. * 3 air flow mode : Instant, 2/3 Vmax, Average. * Low-friction ball vane wheels is accurate in both high & low velocities. * Large LCD with dual display. * Record max. and min. reading value. * Data hold. * Microcomputer circuit. * Thermistor sensor for temp. measurement, fast response time. * RS 232 PC serial interface. * Separate probe, easy for operation of the different measurement environment.