DM501

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The Tektronix DM501 is a 4½ digit True RMS multimeter plug-in for the TM500 system.

It also has a temperature input, requiring the P6058 or P6430 temperature probe (DM501A: P6601 PT-100 probe).

The DM501 MOD718D variant replaced the temperature range with a 200 mV input range providing 10 μV resolution (see Physical Measurements Handbook).

Key Specifications

DC V ranges	200 mV, 2 V, 20 V, 200 V, 1000 V
DC V accuracy	0.05% of reading + 0.01% FS in 2 V to 200 V ranges @ +18 °C to +28 °C
DC V input resistance	10 MΩ
AC V ranges	200 mV, 2 V, 20 V, 200 V, 500 V
AC V accuracy	0.6% of reading + 0.05% FS in 0.2 V to 200 V ranges, 40 Hz to 10 kHz @ +18 °C to +28 °C
AC V input resistance	10 MΩ // 160 pF
dB ranges (DM501A only)	−40, −20, 0, +20, +40 dB
Ω ranges	200 Ω, 2 kΩ, 20 kΩ, 200 kΩ, 2 MΩ, 20  MΩ
Ω accuracy	0.15% of reading + 0.015% FS, 200 Ω to 2 MΩ ranges @ +18 °C to +28 °C
DC A ranges	200 μA, 2 mA, 20 mA, 200 mA, 2 A
DC A accuracy	0.2% of reading + 0.015% FS @ +18 °C to +28 °C
AC A ranges	200 μA, 2 mA, 20 mA, 200 mA, 2 A
AC A accuracy	0.6% of reading + 0.05% FS, 20 Hz to 10 kHz @ +18 °C to +28 °C
Temperature range	−62 °C to +240 °C
Temperature accuracy	±2 °C from -62 °C to +150 °C with probe calibrated to instrument, @ +18 °C to +28 °C ambient

Pictures

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  DM501

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  DM501A

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  DM501A

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  DM501A on an extension cable

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  DM501A

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  DM501A rear connector

• Siliconix LD120 and LD121A datasheets