DM5120: Difference between revisions

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{{TM5000 | mfg=Tektronix | type=DM5120 | function=programmable 6½-digit multimeter | class=multimeter | image=Tek_dm5120_5_straight.jpg | introduced=1989 | discontinued=1991 |
{{TM5000 | mfg=Tektronix | type=DM5120 | function=programmable 6½-digit multimeter | class=multimeter | image=Tek_dm5120_5_straight.jpg | introduced=1989 | discontinued=1991 |
manuals=
designers= |manuals=
* [http://w140.com/tek_5120_5520.pdf Tektronix DM5120/DM5520 Service Manual (PDF)]
* [[Media:070-7240-00.pdf|DM5120/DM5520 DM5120/5520 Instruction]]<br /><small>[[Media:070-7240-00_2.pdf|Alternate Copy]]</small>
* [http://w140.com/tek_dm5120_5520_operator.pdf Tektronix DM5120 DM5520 Operator Manual (PDF)]
* [[Media:070-7319-00.pdf|DM5120/DM5520 DM5120/5520 Service]]<br /><small>[[Media:070-7319-00_2.pdf|Alternate Copy 1]] / [[Media:070-7319-00_3.pdf|Alternate Copy 2]]</small>
* [http://w140.com/tek_dm5120_5520_svc_sm.pdf Tektronix DM5120 DM5520 Service Manual (small, PDF)]
(all with schematics but missing most of the parts list)
* [http://w140.com/tek_dm5120_5520_svc_lg.pdf Tektronix DM5120 DM5520 Service Manual (large, PDF)]
* [http://w140.com/tek_dm5120_5520_instruction.pdf Tektronix DM5120 DM5520 Instruction Manual (PDF)]
* [http://w140.com/tekwiki/images/e/e5/5120-800_v1.0.bin (Firmware dump 5120-800 v1.0)]


'''Firmware'''
* [[Media:5120-800_v1.0.bin|5120-800 V1.0]]
'''Calibration Backup'''
* [[Media:5120cal.bin|5120cal.bin]]
}}
}}


The '''DM5520''' is a standalone version, i.e. a DM5120 in a dedicated mainframe.
The '''DM5520''' is a standalone version, i.e. a DM5120 in a dedicated, fan-less, mainframe based on the [[TM503B]].
The Meter DM5120 cannot be used outside the DM5520 frame.


* 3029999 digit counts
{{BeginSpecs}}
* Calibration maybe done manually thru the front panel or via the gpib interface.
{{Spec | Resolution | ±3,029,999 counts (6½ digits) in DC Volts and Ohms, 5½ digits otherwise in fast mode}}
{{Spec | Voltage ranges | 300 mV to 300 V in decade steps, DC or AC }}
{{Spec | Input Impedance (DC Volts)|
* 300 mV, 3 V: >1 GΩ
* 30 V: 11 MΩ
* 300 V: 10.1 MΩ
}}
{{Spec | Input Impedance (AC Volts)| 1 MΩ // 120 pF }}
{{Spec | Current ranges | 300 μA to 3 A in decade steps, DC or AC }}
{{Spec | Resistance ranges | 300 Ω to 300 MΩ in decade steps, 4-wire mode available in 300 Ω to 30 kΩ ranges }}
{{Spec | Features |
* True RMS measurement (crest factor ≤3:1)
* Calibration may be done manually through the front panel or via the [[GPIB interface]].
}}
{{EndSpecs}}


* 0-300 Vdc
==Internals==
* 0-300 Vac
The DM5120 shares its analog section design with the [[Keithley 196]], minus the front/rear switch.
* 0-3 amp Dc
* 0-3 amp Ac
* 0-300 Meg Ohms  2 and 4 wires mode (300 and 30k Ohms range).


The instrument's internal voltage reference is based on the LM399.


Input Impedance of the meter
==Pictures==
* 300mv, 3v : >1 giga Ohms
* 30v : 11 Meg ohms
* 300v : 10.1 Meg Ohms
 
The Dm5120 share the same analog design as the Keithley 196
 
<gallery>
<gallery>
Tek dm5120 5.jpg
Tek dm5120 5.jpg
Line 37: Line 44:
dm5120-afg5101-tm5006a.jpg | AFG5101 with [[DM5120]] in [[TM5006A]] mainframe
dm5120-afg5101-tm5006a.jpg | AFG5101 with [[DM5120]] in [[TM5006A]] mainframe
</gallery>
</gallery>
==Components==
{{Parts|DM5120}}
{{Parts|DM5220}}
[[Category:GPIB interface]]

Latest revision as of 03:33, 3 June 2024

Tektronix DM5120
programmable 6½-digit multimeter
Tektronix DM5120

Produced from 1989 to 1991

Manuals

(all with schematics but missing most of the parts list)

Firmware

Calibration Backup

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix DM5120 is a programmable 6½-digit multimeter plug-in for the TM5000 system.

The DM5520 is a standalone version, i.e. a DM5120 in a dedicated, fan-less, mainframe based on the TM503B.

Key Specifications

Resolution ±3,029,999 counts (6½ digits) in DC Volts and Ohms, 5½ digits otherwise in fast mode
Voltage ranges 300 mV to 300 V in decade steps, DC or AC
Input Impedance (DC Volts)
  • 300 mV, 3 V: >1 GΩ
  • 30 V: 11 MΩ
  • 300 V: 10.1 MΩ
Input Impedance (AC Volts) 1 MΩ // 120 pF
Current ranges 300 μA to 3 A in decade steps, DC or AC
Resistance ranges 300 Ω to 300 MΩ in decade steps, 4-wire mode available in 300 Ω to 30 kΩ ranges
Features
  • True RMS measurement (crest factor ≤3:1)
  • Calibration may be done manually through the front panel or via the GPIB interface.

Internals

The DM5120 shares its analog section design with the Keithley 196, minus the front/rear switch.

The instrument's internal voltage reference is based on the LM399.

Pictures

Components

Some Parts Used in the DM5120

Part Part Number(s) Class Description Used in
AD637 Monolithic integrated circuit Wideband RMS/DC converter DM5120 • DM5520 • Keithley 199
LM399 156-0783-00 Monolithic integrated circuit heated zener reference DM5120 • DM5520 • Keithley 181 • Keithley 182 • Keithley 191 • Keithley 192 • Keithley 193A • Keithley 196 • 1410 • 1411 • 1412
Motorola 6809 156-1494-00 • 156-1494-01 Monolithic integrated circuit 8-bit microprocessor 2424L • 2440 • 7D20 • DM5120 • DM5520 • Keithley 193A • Keithley 196 • Keithley 199
TMS9914 156-1444-00 • 156-1444-01 Monolithic integrated circuit GPIB controller 11301 • 11301A • 11302 • 11302A • 2221 • 2230 • 2424L • 2440 • 4052A • 4054A • 021-0374-00 • 067-1137-99 • AM700 • DC5009 • DC5010 • DM5010 • DM5110 • DM5120 • DM5520 • FG5010 • MI5010 • SG5010 • SG5030 • SI5010 • PS5004 • PS5010 • Keithley 182 • Keithley 193A • Keithley 195 • Keithley 195A • Keithley 196 • Keithley 197 • Keithley 199 • Keithley 220 • Keithley 224 • Keithley 230 • Keithley 263 • Keithley 617


Some Parts Used in the DM5220

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