• 4,000 count display
• 0.5% DCV basic accuracy
• 0 to 750 ACV; max resolution 1mV
• 0 to 1,000 DCV; max resolution 0.1mV
• 0 to 40MΩ; max resolution 0.1Ω
• 0 to 10 amps AC/DC; 0.1uA resolution
• Data Hold
• cULus 61010-1
• CAT II - 1000V, CAT III - 600V

Model 135 Applications

• Thermocouples in furnaces or gas applications
• Heat anticipator current in thermostats
• Line voltage
• Voltage of direct drive DC motors
• Control circuit voltage
• Motor run and start capacitors
• Flame safeguard control current
• Heating element resistance (continuity)
• Compressor winding resistance
• Contactor and relay coil resistance
• Continuity of wiring
• Temperature w/ optional temperature adapter

Category Ratings:

• Category I: Usually electronic equipment or equipment where measures have been taken to limit transient over voltages.


• Category II: Single phase loads like appliance personal computers, television sets, and other household loads. Outlets located more than 30 feet froma CAT III source or more than 60 feet from a CAT IV source.


• Category III: Distribution level fixed installations like distribution panel devices, short branch and feeder circuits, three phase loads, and single phase commercial lighting.


• Category IV: Equipment and lines located on the power line side of a service panel or where a low voltage connection is made to utility power