213

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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

DIGITAL MULTIMETER DIRECT CURRENT VOLTS Range: 0.1v to 1000v Input Resistance: 10MΩ Accuracy, 0.1v & 1v: ±0.1%, ±3 counts; 10v & 100v: ±0.15%, ±1 count; 1000v: ±0.2%, ±1 count

TRUE RMS VOLTS 0.1v: ±2.5% (DC); ±1.5% (40 Hz – 4KHz); ±3.5% (4KHz – 40KHz) 1, 10, 100v: ±2% (DC); ±1% (40Hz – 40KHz) 1000v: ±2% (DC); ±1% (40 Hz – 4KHz); ±2% (4KHz – 40KHz)

DC & RMS CURRENT 0.1mA = 1000Ωs; 1mA = 100Ω; 10mA = 10.2Ω; 100mA = 1.2Ω; 1000mA = 0.3Ω

DC CURRENT 0.1mA: ±0.5%, ±3 counts; 1mA – 1000mA: ±0.25%, ±3 counts

TRUE RMS CURRENT 0.1mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40Hz – 4KHz); ±4.5%,±5 counts (4KHz - 40KHz) 1mA – 1000mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40Hz – 4KHz); ±3.5%,±5 counts (4KHz - 40KHz)

RESISTANCE 1KΩ: ±0.5%, ±3 counts; 10KΩ – 1MΩ: ±0.5%, ±1 count; 10MΩ: ±1%, ±1 count

OSCILLOSCOPE VERTICAL: 5mv – 100V/DIV, ±3%, DC – 400KHz (5mV – 10mV/DIV); DC – 1MHz (20mV – 100v/DIV 5µA – 100mA/DIV, ±3%, DC – 200KHz (5µA – 10µA/DIV); DC – 400KHz (20µA – 200mA/DIV)

Input resistance: 10MΩ, 150pF (5mV – 1V/DIV); 100pf (2V – 100V/DIV)

Risetime: 875ns (5mV – 10mV/DIV); 350ns (20mV – 100v/DIV)

HORIZONTAL: SWEEP: 500ms – 2µs/DIV, ±5% (magnified or unmagnified)

BATTERIES: 2 X “D” NiCd cells Typical operating time as maximum intensity after full charge cycle: 3.5 hours Charge time: 16 hours

MAINS OPERATION: 90 – 136vac, 48 – 62 Hz (Option 1: 180 – 250 vdc or 180 – 250 vac, 48 – 62 Hz) Power consumption: Less than 8 watts

Links

Pictures