Each model has a GS-Mark EN61010-1 Approval, Over-Voltage Category II 600 Vdc/Vac; Pollution Degree. Models: HHM26 and HHM28 have RS-232 Interface. Logic Probe Tester Models are HHM15, HHM20, HHM23. Temperature Measurement Models are HHM19, HHM21. All multimeters include free protective rubber boot with tilt stand, set of safety test leads, 9 V alkaline battery, type K beaded wire thermocouple (temperature models only) and complete operator's manual. All units have a Stated Accuracy at 23 ± 5°C < 75% RH, Battery Life: 200 Hours Dimensions: 192 H x 91 W x 52.5 mm D (7.6 x 3.6 x 2.1").
Omega Engineering, Inc. - www.omega.com