The DMM800 handheld RMS digital multimeters meet accuracy and resolution requirements for design troubleshooting and characterization work. The product series consists of the entry-level DMM830, the midrange DMM850 and the high-end DMM870. Models 850 and 870 feature a dual-numeric display, temperature testing and time stamping. In addition, two digital thermometers, the DTM520 and DTM510, perform accurate differential temperature measurements using J- or K- type thermocouples. The DCM 330, DCM320 and DCM300 digital clamp meters are also available.