Digital multimeter ideal for instrumentation, airconditioning equipment, and gas-burning devices The DT4253, which is part of Hioki's DT4250 series of standard digital multimeters, is ideal for measuring instrumentation, airconditioning equipment, and gas-burning devices. ・DC current: 60.00 μA / 600.0 μA / 6.000 mA / 60.00 mA ・Temperature: -40.0°C to 400.0°C ・Accepts an AC clamp sensor