DM501A: Difference between revisions
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{{TM500 | mfg=Tektronix | type=DM501A | function=4½ digit True RMS multimeter | class=multimeter | image=Tek dm501a on.jpg | introduced=1980 | discontinued=1984 | | |||
designers= |manuals= | |||
* [[Media:070-2749-00.pdf|Tektronix DM501A Manual]] (with schematics) | |||
* [[Media:070-2749-00 no schematics.pdf|Tektronix DM501A Manual]] (no schematics) | |||
* [[Media:DM501A_schematics.pdf|Tektronix DM501A Schematics]] | |||
}} | |||
It replaced the [[DM501]] (which suffered from accuracy limitations) in 1980. It also has a temperature input, requiring the [[P6601]] PT-100 probe with a 2-pin [[LEMO S-series connector]]. | |||
{{BeginSpecs}} | |||
[[ | {{Spec | DC Voltage ranges and accuracy | 200 mV<sub>DC</sub> to 200 V<sub>DC</sub> in decade ranges (0.05% + 0.01% (200 mV: 0.015%) FS), 1000 V<sub>DC</sub> (0.05% + 0.02% FS) }} | ||
[[ | {{Spec | DC Voltage characteristics | Input resistance 10 MΩ, CMRR >100 dB at DC, 80 dB at 50 and 60 Hz (1 kΩ unbal.), NMRR 60 dB at 50 or 60 Hz }} | ||
{{Spec | AC Voltage ranges and accuracy | 200 mV<sub>DC</sub> to 200 V<sub>AC</sub> in decade ranges, and 500 V<sub>AC</sub> (0.6% + 0.05% (500 V:0.2%) FS, True RMS) }} | |||
{{Spec | AC Voltage characteristics | Input impedance 10 MΩ // ≤160 pF, CMRR 60 dB at 50 or 60 Hz (1 kΩ unbal.)}} | |||
{{Spec | DC Current ranges and accuracy | 200 μA to 2 A in decade ranges, 0.2% + 0.015% FS }} | |||
{{Spec | AC Current ranges and accuracy | 200 μA to 2 A in decade ranges, 0.6% + 0.05% FS (for 20 Hz to 10 kHz sine >5% FS) }} | |||
{{Spec | Ohms ranges and accuracy | 200 Ω to 20 MΩ in decade ranges, current 1 mA, 1 mA, 100 μA, ... 0.1 μA respectively; 0.15% (20 MΩ: 0.5%) + 0.015% FS }} | |||
{{Spec | Temperature range and accuracy | –62°C to +150°C (±2°C cal. probe, ±4°C uncal. probe), +150°C to +240°C (+0/-6°C or +2/-8°C any probe, uncal.) }} | |||
{{EndSpecs}} | |||
==Pictures== | |||
<gallery> | |||
Tek dm501a on.jpg|DM501A | |||
Tek dm501a 1.jpg | DM501A | |||
Tek dm501a ext1.jpg|DM501A Option 2 (no temperature range) on an extension cable | |||
Tek dm501a dark.jpg|DM501A | |||
DM501A_rear_con.JPG|DM501A rear connector | |||
Tek-DM501A-RHS.jpg| DM501A RHS | |||
TEK-DM501A-LHS.jpg| DM501A LHS | |||
Tek-DM501A-LHS-removed shielding.jpg| DM501A LHS- removed shielding | |||
</gallery> | |||
==See also== | |||
* [[Media:Siliconix_LD120_and_LD121A_datasheets.pdf|Siliconix LD120 and LD121A datasheets]] | |||
* [[Fairchild 3814]] counter IC | |||
* [[307-1015-00]] input voltage divider | |||
Revision as of 09:28, 6 March 2022
The Tektronix DM501A is a 4½ digit True RMS multimeter plug-in for the TM500 system.
It replaced the DM501 (which suffered from accuracy limitations) in 1980. It also has a temperature input, requiring the P6601 PT-100 probe with a 2-pin LEMO S-series connector.
Key Specifications
| DC Voltage ranges and accuracy | 200 mVDC to 200 VDC in decade ranges (0.05% + 0.01% (200 mV: 0.015%) FS), 1000 VDC (0.05% + 0.02% FS) |
|---|---|
| DC Voltage characteristics | Input resistance 10 MΩ, CMRR >100 dB at DC, 80 dB at 50 and 60 Hz (1 kΩ unbal.), NMRR 60 dB at 50 or 60 Hz |
| AC Voltage ranges and accuracy | 200 mVDC to 200 VAC in decade ranges, and 500 VAC (0.6% + 0.05% (500 V:0.2%) FS, True RMS) |
| AC Voltage characteristics | Input impedance 10 MΩ // ≤160 pF, CMRR 60 dB at 50 or 60 Hz (1 kΩ unbal.) |
| DC Current ranges and accuracy | 200 μA to 2 A in decade ranges, 0.2% + 0.015% FS |
| AC Current ranges and accuracy | 200 μA to 2 A in decade ranges, 0.6% + 0.05% FS (for 20 Hz to 10 kHz sine >5% FS) |
| Ohms ranges and accuracy | 200 Ω to 20 MΩ in decade ranges, current 1 mA, 1 mA, 100 μA, ... 0.1 μA respectively; 0.15% (20 MΩ: 0.5%) + 0.015% FS |
| Temperature range and accuracy | –62°C to +150°C (±2°C cal. probe, ±4°C uncal. probe), +150°C to +240°C (+0/-6°C or +2/-8°C any probe, uncal.) |
Pictures
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DM501A
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DM501A
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DM501A Option 2 (no temperature range) on an extension cable
-
DM501A
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DM501A rear connector
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DM501A RHS
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DM501A LHS
-
DM501A LHS- removed shielding
See also
- Siliconix LD120 and LD121A datasheets
- Fairchild 3814 counter IC
- 307-1015-00 input voltage divider