![]() ![]() The communication parameters are 2400 baud, 7o1. ![]() The devices use a simple 11-byte protocol over a USB-to-serial or USBHID-to-serial link (depending on the cable used). There's usually also a hand-drawn marking (e.g. However, there is usually a white sticker on some IC which correctly identifies the DMM ("B", "E", "920", or the like). ![]() The PCB markings for this series are not necessarily useful, most devices read "UT71A" (even for devices which are not an UT71A). The UNI-T UT71x is a series of 20000/40000 counts, CAT III (1000V) / CAT IV (600V) handheld digital multimeters with RS232 or USB connectivity. Voltage, resistance, diode, continuity, capacitance, frequency, duty cycle, current, temperature, power (only UT71E), loop current (not on UT71B)Īutorange, hold, peak hold, relative, min/max, bargraph, backlight, true-rms ![]()
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