Maxwell MX-25 302 User's Guide

Note: 1. This unit uses a special temperature measuring sensor. 2.7 Transistor hfe Test Turn the switch to hfe. 1. Connect the sensor to the COM

4. Warning 1. When measuring 32 V DC / 25 V AC be sure that no cables are connected to the current measuring socket and the main switch is not in d

12 4.2 Servicing the device 1. Changing the battery (one 9V battery is required) a. Switch off the unit and disconnect every external circuit. Dis

MX-25 302 User’s guide for 3 1/2 digits multimeter Description: 1.1 General description 2 Display: ½ digits liquid crystal display, with 26 mm cha

2.1 Electronic characteristics Punctuality +/- (displayed value’s rate(%) + the number of the digits) 23 +/-5 C°, if the humidity is lower than 75%.

Resistance Measuring range Accuracy Resolution 200 +/- (0,8%+5) 0,1  2 1  20  10  200  100  2 M  +/- (0,8% + 3) 1 k  200 M  +/-(5

AC current Measuring range Accuracy Resolution 20 mA +/- (1,0% +5) 10 uA 200 mA +/- (2,0% +5) 100 uA 20 A +/- (3,0% +10) 10 mA Max. max me

Temperature Measuring range Accuracy Resolution +/- (1,0%+3) < 400 C° -40 C° – 1000 C° +/- (1,5%+15) > 400 C° 1 C° With K type temperature

Transistor hfe” test Function Description Test mode hfe … the transistors electric power (0-1000) (All the types) Basis current around 10 uA V ce aro

2.2 Measure of DC and AC current 1. connect the black wire in to the “COM”, the red in to the “mA” (max . 200mA) or the “20A” wire for measuring

2.4 Capacity measure 1. Set the function switch to the F position. 2. Connect the black test lead to the (-) jack „COM” and red lead to the (+) jac