Difference between revisions of "213"

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The 213 Portable Oscilloscope combines a 3 1/2-digit DMM and 1MHz scope in one unit. Sweep rate of 0.4 microsec/div with x10 sweep magnifier. True RMS voltage and current measurements. Battery or AC line powered.
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{{Oscilloscope Sidebar |
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title=Tektronix 213 |
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image=Tektronix 213DMM pic 2.jpg |
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caption=Tektronix 213, front view |
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introduced=1975 |
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discontinued=1988 |
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summary=Miniature portable 1 MHz oscilloscope and TRMS digital multimeter |
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manuals=
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* [[Media:070-1481-00.pdf|Tektronix 213 Service Manual, 1989 Rev.]] (PDF, OCR, 76MB)
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<small>
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'''Modifications'''
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* [[Media:050-0811-01.pdf|Replacement of U335 (Trigger &amp; Sweep Generator IC)]]
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</small>
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}}
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The '''Tektronix 213''' is a miniature portable oscilloscope [[introduced in 1975]]. 
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It combines a -digit DMM and a 1 MHz single channel scope in one unit.  
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The maximum sweep rate is 0.4 μs/div with ×10 sweep magnifier.  
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The 213 provides true RMS voltage and current measurements.
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It is battery or AC line powered.
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{{BeginSpecs}}
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{{SpecGroup | ''Multimeter Section''  }}
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{{Spec | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy,  0.1 V & 1 V:  ±0.1%, ±3 counts; 10 V & 100 V: ±0.15%, ±1 count; 1000 V: ±0.2%, ±1 count}}
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{{Spec | True RMS Volts | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy, 0.1 V: ±2.5% (DC); ±1.5% (40 Hz – 4 kHz); ±3.5% (4 kHz – 40 kHz);  1, 10, 100 V:  ±2% (DC); ±1% (40 Hz – 40 kHz); 1000 V:  ±2% (DC); ±1% (40 Hz – 4 kHz); ±2% (4 kHz – 40 kHz) }}
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{{Spec | DC Current | 0.1 to 1000 mA <br />Accuracy: 0.1 mA:  ±0.5%, ±3 counts; 1 mA – 1000 mA: ±0.25%, ±3 counts }}
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{{Spec | True RMS Current | 0.1 to 1000 mA <br />Accuracy, 0.1 mA:  ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±4.5%, ±5 counts (4 kHz − 40 kHz);  1 mA – 1000 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±3.5%,±5 counts (4 kHz − 40 kHz) }}
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{{Spec | Current range input resistance | 0.1 mA: 1000 Ω; 1 mA: 100 Ω; 10 mA: 10.2 Ω; 100 mA: 1.2 Ω; 1000 mA: 0.3 Ω }}
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{{Spec | Resistance | 1 KΩ: ±0.5%, ±3 counts; 10 KΩ – 1 MΩ:  ±0.5%, ±1 count; 10 MΩ: ±1%, ±1 count }}
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{{SpecGroup | ''Oscilloscope Section'' }}
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{{Spec | Voltage ranges | 5 mV/Div to  – 100 V/Div, ±3% }}
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{{Spec | Bandwidth (Voltage) | DC – 1 MHz (at 10 mV/Div and below, 400 kHz) }}
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{{Spec | Current ranges | 5 µA/Div to 100 mA/Div, ±3% }}
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{{Spec | Bandwidth (Current) | DC – 200 kHz (5 µA/Div – 10 μA/Div); DC – 400 kHz (20 μA/Div – 200 mA/Div) }}
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{{Spec | Input resistance | 10 MΩ // 150 pF (5 mV/Div – 1 V/Div), 100 pF (2 V/Div to – 100 V/Div) }}
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{{Spec | Rise time |  875 ns (5 mV/Div – 10 mV/Div); 350 ns (20 mV/Div – 100 V/Div) }}
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{{Spec | Sweep |  500 ms/Div – 2 µs/Div, ±5% (magnified or unmagnified) }}
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{{Spec | Batteries |  2 &times; “D” NiCd cells }}
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{{Spec | Operating time | 3.5 hours typical at maximum intensity after full charge cycle}}
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{{Spec | Charge time | 16 h}}
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{{Spec | Mains power | 90 – 136 V<sub>AC</sub>. 48 – 62 Hz (Option 1: 180 – 250 V<sub>DC</sub>. or 180 – 250 V<sub>AC</sub>, 48 – 62 Hz) }}
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{{Spec | Power consumption |  Less than 8 watts }}
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{{EndSpecs}}
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==Links==
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* [http://w140.com/kurt/tek_new_products_mar-apr_1975.pdf New Products Mar/Apr 1975]
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* [http://www.eevblog.com/2014/06/11/eevblog-628-tektronix-213-vintage-portable-oscilloscope-teardown/ EEVblog #628 – Tektronix 213 Vintage Portable Oscilloscope Teardown Video] and [https://www.flickr.com/photos/eevblog/14394189202/ Photo Set]
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* [https://www.youtube.com/watch?v=fPmQ9Ce4TL0 Tektronix 213 DMM Repair Progress video]
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==Internals==
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The 213 makes use of two Tek-made custom chips, the [[155-0048-01]] trigger sweep circuit, and the [[155-0114-00]] 7-segment character generator in the DVM circuit.  In addition, it includes some standard opamps (741, 324) and a 4-digit decimal counter ([[Mostek MK5007]]).
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==Pictures==
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<gallery>
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Tek213-front-1.jpg | Tek 213 front
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Tektronix 213DMM pic 2.jpg|In DMM mode
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200 series compared.jpg | Tek [[214]] (top), [[213]] (center) and [[211]] (bottom) stacked
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213 compared to 585.jpg | Tek 213 size comparison with 500 series plug-in bay (in a [[585]])
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213-Stefan-140333.jpg | 213 with pouch
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213-Stefan-140342.jpg | right side
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213-Stefan-162337.jpg | without covers, bottom/left
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213-Stefan-162344.jpg | without covers, left
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213-Stefan-162352.jpg | without covers, top
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213-Stefan-172313.jpg | without covers, operating, top/right
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213-Stefan-162409.jpg | Plastic case halves
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213-Stefan-162419.jpg | Original battery, corroded
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213-Stefan-162428.jpg
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213-Stefan-162443.jpg
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213-Stefan-172154.jpg | In DMM mode
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213-Stefan-172309.jpg
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213-Stefan-172243.jpg | In scope mode
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213-Stefan-172258.jpg
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Tektronix 213DMM pic 1.jpg    | Catalog image, front
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Tektronix 213DMM side view.jpg | Catalog image, side
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</gallery>
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===Schematics===
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<gallery>
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Tektronix 213DMM Attenuator and Input Amplifier.jpg|Attenuator and Input Amplifier Schematic
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Tektronix 213DMM GM and RMS Converter.jpg|GM and RMS Converter Schematic
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Tektronix 213DMM Battery Charger and Power Supply.jpg|Battery Charger and Power Supply Schematic
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Tektronix 213DMM HV and CRT.jpg|HV and CRT Schematic
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Tektronix 213DMM A-D Converter and Character Generator.jpg|A-D Converter and Character Generator Schematic
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</gallery>
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[[Category:200 series scopes]]
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[[Category:Specifications needed]]
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[[Category:Manual needed]]

Latest revision as of 00:20, 17 October 2019

Tektronix 213
Miniature portable 1 MHz oscilloscope and TRMS digital multimeter
Tektronix 213, front view

Produced from 1975 to 1988

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 213 is a miniature portable oscilloscope introduced in 1975. It combines a 3½-digit DMM and a 1 MHz single channel scope in one unit. The maximum sweep rate is 0.4 μs/div with ×10 sweep magnifier.

The 213 provides true RMS voltage and current measurements. It is battery or AC line powered.

Specifications

     — Multimeter Section
DC Volts 0.1 V to 1000 V, Input Resistance: 10 MΩ
Accuracy, 0.1 V & 1 V: ±0.1%, ±3 counts; 10 V & 100 V: ±0.15%, ±1 count; 1000 V: ±0.2%, ±1 count
True RMS Volts DC Volts
DC Current 0.1 to 1000 mA
Accuracy: 0.1 mA: ±0.5%, ±3 counts; 1 mA – 1000 mA: ±0.25%, ±3 counts
True RMS Current 0.1 to 1000 mA
Accuracy, 0.1 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±4.5%, ±5 counts (4 kHz − 40 kHz); 1 mA – 1000 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±3.5%,±5 counts (4 kHz − 40 kHz)
Current range input resistance 0.1 mA: 1000 Ω; 1 mA: 100 Ω; 10 mA: 10.2 Ω; 100 mA: 1.2 Ω; 1000 mA: 0.3 Ω
Resistance 1 KΩ: ±0.5%, ±3 counts; 10 KΩ – 1 MΩ: ±0.5%, ±1 count; 10 MΩ: ±1%, ±1 count
     — Oscilloscope Section
Voltage ranges 5 mV/Div to – 100 V/Div, ±3%
Bandwidth (Voltage) DC – 1 MHz (at 10 mV/Div and below, 400 kHz)
Current ranges 5 µA/Div to 100 mA/Div, ±3%
Bandwidth (Current) DC – 200 kHz (5 µA/Div – 10 μA/Div); DC – 400 kHz (20 μA/Div – 200 mA/Div)
Input resistance 10 MΩ // 150 pF (5 mV/Div – 1 V/Div), 100 pF (2 V/Div to – 100 V/Div)
Rise time 875 ns (5 mV/Div – 10 mV/Div); 350 ns (20 mV/Div – 100 V/Div)
Sweep 500 ms/Div – 2 µs/Div, ±5% (magnified or unmagnified)
Batteries 2 × “D” NiCd cells
Operating time 3.5 hours typical at maximum intensity after full charge cycle
Charge time 16 h
Mains power 90 – 136 VAC. 48 – 62 Hz (Option 1: 180 – 250 VDC. or 180 – 250 VAC, 48 – 62 Hz)
Power consumption Less than 8 watts

Links

Internals

The 213 makes use of two Tek-made custom chips, the 155-0048-01 trigger sweep circuit, and the 155-0114-00 7-segment character generator in the DVM circuit. In addition, it includes some standard opamps (741, 324) and a 4-digit decimal counter (Mostek MK5007).

Pictures

Schematics