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        |  | DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
 DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)| 
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        | The Model RK is a self-regulating pressure standard designed for use in ranges |  | 
SPECIFICATIONS (Additional Ranges and Accuracies Available)
| The Model RK is a self-regulating pressure standard designed for use in ranges from 4" H2O through 300 psig. An integral weight storage compartment for ranges to 50 psig or equivalent is contained in a cast metal base which houses the workings of the unit (additional weights for ranges above 50 psig or equivalent are packaged in a separate carrying case). 
 The tester comes with a carrying cover of high strength impact-resistant material. The tester base includes a built-in mounting to fit most standard photographic type tripods. |  
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| Accuracy | ¡¾0.5% of indicated reading. Stainless steel weights; calibrated for international standard gravity 980.665 Gals. (cm/sec2) or user's local gravity |  
| Repeatability | 0.005% of output reading |  
| Temperature Coefficient | 0.00167% of output pressure per ¡ÆC, based on 23¡ÆC |  
| Supply Pressure | Instrument quality air per ISA Quality Standard S7.3. Maximum: 450 psi Minimum: 30 psi or 150% of output pressure, whichever is greater |  
| Flow Rate | 1 SCFH at 4" H20 output, 60 SCFH at 300 psi output |  
| Case Size | Tester: 15" x 9.5" x 8", Weights: 8.5" x 12" x 11.5" |  
| Total Weight | Tester: 18 to 31.5 lbs., Weights: 17.5 to 61.5 lbs. |  
| Input & Output Connections | 1/8" NPT female |  
| Optional Accuracy Available | .025% and .015% |  
| Optional Ranges | Other Ranges including kg/cm_, bar, kPa cmH2O, in Hg units available |  
 
| CAT NO. |  | MODEL |  | DEscRIPTION |  | AVAIL |  | PRICE |  
| AM900401 |  | RK-300WC-SS |  | DEADWEIGHT TEST KIT |  | Yes |  | 11,206,080 |  
| Range: |  | 4-314" H20 |  
| Minimum Increments |  | 1" H20 |  
| AM900402 |  | RK-1600WC-SS |  | DEADWEIGHT TEST KIT |  | Yes |  | 13,618,800 |  
| Range: |  | 4-1614" H20 |  
| Minimum Increments |  | 1" H20 |  
| AM900403 |  | RK-100-SS |  | DEADWEIGHT TEST KIT |  | Yes |  | 11,638,080 |  
| Range: |  | 1-101 psi |  
| Minimum Increments |  | 1 psi |  
| AM900404 |  | RK-300-SS |  | DEADWEIGHT TEST KIT |  | Yes |  | 15,145,920 |  
| Range: |  | 1-301 psi |  
| Minimum Increments |  | 1 psi |  |  |  |  |  |  
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