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Vacuum Tube Volt-Ohmmeter 303 (303-RT)

Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 1431599) Equipment
 
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 1431600) Equipment
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 135384) Equipment Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 135385) Equipment
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 216140) Equipment Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 227690) Equipment
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 955883) Equipment Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 1419019) Equipment
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 2169435) Equipment Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 2171527) Equipment
Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 2171528) Equipment
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Vacuum Tube Volt-Ohmmeter 303 ; Simpson Electric Co. (ID = 135384) Equipment
Simpson Electric Co.: Vacuum Tube Volt-Ohmmeter 303 [Equipment] ID = 135384 450x600
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For model Vacuum Tube Volt-Ohmmeter 303 (303-RT), Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI
 
Country:  United States of America (USA)
Manufacturer / Brand:  Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI
Year: 1950 ? Category: Service- or Lab Equipment
Valves / Tubes 2: 12AU7 6AL5
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 105-125 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Vacuum Tube Volt-Ohmmeter 303 - Simpson Electric Co.; Chicago,
Material Bakelite case
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 5.25 x 7 x 3.12 inch / 133 x 178 x 79 mm
Notes

Versatile VTVM with 4.5" scale. Uses include DC voltmeter, ohmmeter, AC or AF voltmeter, RF voltmeter (with accessory probe), ouputmeter and others.

DC Voltage: Ranges 1.2, 12, 60, 300, 1200
AC Voltage: Ranges 1.2, 12, 60, 300, 1200
AF Voltage: Ranges 1.2, 12, 60
Ohms: Ranges 1K ohms (10 ohms center); 100K ohms (1000 ohms center); 1 megohm (10K ohms center); 10 megohms (100K ohms center); 1000 megohms (10 geohms center)
Decibels: -20 to +63 dB in 5 ranges
RF Voltage: 20 volts maximum. Frequency flat 20 Kc to 100 Mc

Zero-center scale for FM discriminator alignment.

Price including DCV Probe, ACV-Ohms Probe, Ground Lead in 1957: $68
Model 303-RT (in Roll-Top Safety Case) in 1957: $76

Net weight (2.2 lb = 1 kg) 4 lb (4 lb 0 oz) / 1.816 kg
Price in first year of sale 58.75 USD
Source of data Radio Electronics (U.S. Magazine)
Mentioned in Allied Radio Catalog (Knight) (Nº 150, 1956)
Literature/Schematics (2) 1951 Newark catalog Nº 51
Literature/Schematics (3) - - Manufacturers Literature (Simpson Test Equipment bulletin no. 2058, 1957)

Model page created by Martin Dill. See "Data change" for further contributors.



All listed radios etc. from Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI
Here you find 136 models, 120 with images and 56 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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