Svenska Radioaktiebolaget

Marconi TF 1245 Circuit Magnification Meter Q-Factor Vintage 1960s SRA

Svenska Radioaktiebolaget

SKU:

47702

Availability:

Usually ships within 1–2 business days.

Weight:

25.00 LBS

Brand:

Marconi Instruments

Model:

TF 1245

MPN:

TF 1245

Type:

Circuit Magnification Meter (Q-Meter)

SKU:

47702

Condition:

As-Is / For Parts or Not Working

Seller Notes:

Includes original power cable. Sold AS-IS for parts or repair.

Country/Region of Manufacture:

England

Form Factor:

Benchtop

Measurement Type:

Q Factor / Circuit Magnification (Q & δQ)

Frequency Range:

40 kHz–300 MHz (via matched oscillators TF1246/TF1247)

Displays:

Dual analog meters: Q Multiplier and Q & δQ

Q Range:

50, 150, 500 (selectable via Q Range switch)

Input Configuration:

Input I: 40 kHz–50 MHz; Input II: 20–300 MHz

Input I Oscillator:

TF 1246 (or 1 kHz–40 MHz via Transformer TM 5728)

Input II Oscillator:

TF 1247

Fuse Ratings:

1A and 150mA (rear panel fuse holders)

Distributor / Reseller Badge:

Svenska Radioaktiebolaget (SRA), Stockholm

Serial Number:

5260136

Era / Vintage:

1960s

Compatible Oscillators:

Marconi TF 1246, TF 1247, Transformer TM 5728

Condition Notes:

Marconi TF 1245 Circuit Magnification Meter sold AS-IS for parts or repair. Not tested or powered at our facility; functionality not guaranteed. Cosmetically intact; original power cable included. Rusted cable strap noted.

California Prop 65 Warning:

WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov