Omega's HHM10, HHM20 and
HHM30 Series are low-cost digital multimeters.
Each model has a GS-Mark EN61010-1 Approval, over-voltage category II
600V dc/V ac; 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, 9V alkaline battery, type K
beaded wire thermocouple (temperature models only) and complete operator's
manual. All units have a Stated Accuracy at 23±5C < 75 percent RH,
battery life: 200 hours and dimensions: 192 H x 91 W x 52.5 mm D (7.6 x 3.6 x