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Signal Trim Summing Junction Box Model 1200
 
Signal Trim Summing Junction Box Model 1200  
Stainless Steel NEMA 4 enclosure contains printed circuit card specifically designed to adjust each load cell Span without effecting zero. One multiturn potentiometer per load cell shunts the output and two series output isolation resistors limit zero interaction. Terminal blocks are lever type that simplify wire connection. Strip the wire, push the lever, insert the wire and release the lever. Accepts wire size 26 to 14 AWG. One terminal block for each load cell and one terminal block for the indicator. Expansion terminal block is on models 1250, 1251 and 1260 for expansion to another summing box. Span adjustment is 3% for 350 ohm load cells; 5% for 700 ohm load cells. Corrosion proof nylon strain reliefs are provided for cable 0.197"-0.354" dia. Enclosure size is 6-1/2" x 8-3/8" x 1-3/4"H. Circuit card size is 4-7/8" x 6-3/4" x 5/8"H

Section Adjustment 1251, 1260, 1280, 12100 circuit cards have section adjust pots for ease in scale calibration. First the two cells in each section are matched. then the sections are matched with the additional section pots. Both cells in a section should have load cells. if one load cell is not wired to a section, resistors should be connected that have an equivalent resistance.


PDF Specification Sheet

 Part Number   Description   Weight   Stock   Available   Price USD   Add to Cart 

SS NEMA 4 Enclosure With Summing Card
        
 1250-4-SS   Cells: 2 to 4   4.00   1007   2   $428.00   
 1251-4-SS   Cells: 2 to 4   4.00   1051   4   $455.00   
 1260-6-SS   Cells: 5 to 6   4.00   1008   2   $509.00   
 1280-8-SS   Cells: 7 to 8   5.00   1009   4   $536.00   
 12100-10-SS   Cells: 9 to 10   5.00   2955   2   $589.00   

Summing Card Only
        
 1250 Card Only   Cells: 2 to 4   1.00   620   9   $201.00   
 1251 Card Only   Cells: 2 to 4   1.00   1049   18   $227.00   
 1260 Card Only   Cells: 5 to 6   1.00   622   3   $254.00   
 1280 Card Only   Cells: 7 to 8   1.00   624   10   $281.00   
 12100 Card Only   Cells: 9 to 10   1.00   667   2   $353.00   

SS NEMA 4 Enslosure w/Summing Card w/Surge Protection
        
 1250-4-SS-SP   Cells: 2 to 4   4.00   4229   1   $550.00   
 1251-4-SS-SP   Cells: 2 to 4   4.00   4230   5   $577.00   
 1260-6-SS-SP   Cells: 5 to 6   5.00   4231   2   $631.00   
 1280-8-SS-SP   Cells: 7 to 8   5.00   4232   6   $658.00   
 12100-10-SS-SP   Cells: 9 to 10   5.00   4233   3   $711.00   

Summing Card Only w/Surge Protection
        
 1250-SP Card Only   Cells: 2 to 4   1.00   4234   4   $322.00   
 1251-SP Card Only   Cells: 2 to 4   1.00   4235  Call  $349.00   
 1260-SP Card Only   Cells: 5 to 6   1.00   4236   5   $376.00   
 1280-SP Card Only   Cells: 7 to 8   1.00   4237   6   $403.00   
 12100-SP Card Only   Cells: 9 to 10   1.00   4238   3   $475.00   

Enclosure Without Card
        
 1250B/1251B Enclosure only with 5 strain reliefs      4.00   1310   2   $254.00   
 1260B Enclosure only with 7 strain reliefs      4.00   1313   2   $294.00   
 1280B Enclosure only with 9 strain reliefs      4.00   1314   2   $321.00   
 12100B Enclosure only with 11 strain reliefs      5.00   2956   2   $353.00   

SS - Stainless Steel
        
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