THM500

The Tektronix THM550 / THM560 / THM565 "TekMeter" are digital multimeters with some oscilloscope features.

Tektronix THM560
DMM with scope features THM560 Produced from (?) to (?) Manuals 070-8840-01.pdf THM550/THM560/THM565 TekMeter Instruction Manual (PDF) THM500 Series Instruments Instruction Manual (PDF) A605, A621, A622 current probes Tekmeter 550/560/565 Product Brochure (PDF) (All manuals in PDF format unless noted otherwise)

Key Specifications

They run on six alkaline AA batteries for 4.5 hours. The display is a 256×128 pixel monochrome LCD.

The DMM section is a 3¾ digit (4000 counts) true RMS meter. The scope has 5 MHz bandwidth and 25 MS/s, 8 bit, 256 samples resolution.

The 550 has one, the 560 and 565 two channels. The 565 has an electroluminescent backlight and a real-time clock.