Prostat PRF-914B, User Manual

8

Rev. A  / November 2005

PRF-914B High Resistance Miniature Concentric Ring Fixture Set

9.  Do Not Drop or cause mechanical damage to these devices.

III.  PRF-914B Micro Probe & PRV-913B Verifier Operations

A.  PRF-912B Setup

1.  Connect measurement cable to PRF-914B

a. Carefully attach one RG-174 cable SMA connector to the fixture’s (-)  

  Sense terminal.

b. Attach the second RG-174 cable SMA connector to the fixture’s (+)  

  Source terminal. (Figure 5).

NOTE

SMA connections are quite fragile. Carefully align the components 

then rotate the threaded cap clock-wise to complete the connec

-

tion. Be especially careful not to cross-thread the connectors. 

Tighten “finger tight” only

2. 

Connect the (-) Sense cable’s BNC fitting to the  

instrument Adapter’s (-) Sense terminal.

3. 

Connect the (+) Source cable’s BNC to the  

instrument Adapter’s (+) Source terminal   

(Figure 6)

4. 

Once the cables are installed and connected  

to the Instrument Adapter, the PRF-914B is    

ready for connection to a wide range ohmme 

ter, continuity test, verification and use. 

5. 

Connect Instrument Adapter to a wide range,  

resistance instrument with ¾ inch termi¬nal  

spacing. The (+) Source plug of the Adapter   

should be connected to the instrument’s Posi 

tive (+) power terminal (figure 7) 

6.  Connect the Instrument Adapter ground plug to the instrument’s ground reference (Figure 8)

Figure 14: Connect shielded cable 

SMA to PRF-914B’s Terminals

Figure 6: Connect each Cable to their respec

-

tive Instrument Adapter terminal