Triplett 630 V-A-O meter

 
 
2009-09-02    
Brand name: Triplett
Modell: 630
Serial no.: 197137
DC range: 0 - 1200 V in 5 steps
  (6000 V via 6000 V DC connector)
AC range: 0 - 1200 V in 5 steps
  (6000 V via 6000 V AC connector)
Current: 1.2 - 12 - 120 mA; 60 mmA
  (DC only)
Resistance: Full scale 1 kOhm;
  ranges: x 1 - x 10 - x 1,000 - x 100,000
Output: connector present
Sensitivity: DC: 20,000 Ohms/Volt; AC: 5,000 Ohms/Volt
Battery: Berec B123 - 30 V
"D" cell (1 x)
Patents: not mentioned
Year of birth: 1950's ?
   
Accessories: non present
Manual: in PDF-format - click to download
Condition: Bakelite housing few cracks, fragment missing, leather strap missing
Dimensions: H: 188 x W 139 x D 81 mm
   
A similar meter from an older date is owned by Marcelo Antonio de Oliveira, from São Paulo, Brazil. Follow this link to see his meter.
     
A large scale is provided. 3 - 6 - 12 divisions indicate use for radio repair, typical battery and B+ values.
     
The leather (?) strap is missing. The bolts are still in place.
     
The interior. Custom made switch, all moulded in Bakelite. Battery compartment for D-cell and 30 V battery.
     
Switch in detail. The resistors lie in a sort of place holder.
     
Switch, seen from the side.
     
The Berec B123 battery gave 30 V.
     
(C) Photo's and text: 2010 - Van Zwam Computer Support - Velp - The Netherlands - All brands and brandnames are property of their respective owners.