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Aschroft 1305D Hydraulic Dead Weight Tester
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Item Number: 1305D
Manufacturer: Ashcroft
Manufacturer Part No: 1305D
Product Options
* denotes required field
Ashcroft 1305D Pressure Range Selection*
You must select an option for 'Ashcroft 1305D Pressure Range Selection'.
Hydraulic Option (Phosphate-Based or Glycol Fluids or Water )*
You must select an option for 'Hydraulic Option (Phosphate-Based or Glycol Fluids or Water )'.
* Whole number only
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Ashcroft 1305D Dead Weight Tester
+/-0.1% of Reading to 10,000 PSIG
| Ashcroft® Type 1305D deadweight testers provide an easy means of precisely generating pressure to an accuracy of 0.1% of reading. Ashcroft 1305D units are available for operating ranges up to 10,000 psi. They are ideal for use in calibrating, setting, testing and repairing pressure measurement and control devices. Each 1305D unit is traceable to the National Institute of Standards and Technology, assuring instrument accuracy. These pressure systems are designed to befield portable. A single carrying case holds the pressure generation pump as well as all the necessary tools and accessories. A second box contains the weights used for pressure generation (10,000 psi units require two boxes of weights). Ashcroft deadweight testers qualify as primary standards for pressure calibration. The pump is a two-stage hydraulic pressure generator. A built-in shuttle valve allows for rapid pressure increase at low pressures. The rate of increase per pump cycle can be reduced at higher pressures to minimize resistance. Final, precise adjustment is accomplished through the use of an integral vernier-adjustment knob. The 1305D is provided with two-piston cylinder assemblies. A low-pressure piston for pressure ranges from 15 to 2000 psi and a high-pressure unit for pressures from 75 to 10,000 psi. Weights are provided for pressure increments of 5, 10, 20, 25, 40, 50, 100, 200 and 500 psi (depending on piston in use). An optional 1 psi incremental weight is also available. Ashcroft 1305D testers can be used any-where within their operational range without any change in accuracy. The same weights are used with both piston and cylinder assemblies. Each unit comes complete with a hand jack set (for removal of pointers on gauges being calibrated), spare O-rings and all tools, accessories and fittings required for normal use. |
Features
• Accuracy: +/-0.1% of Reading
• Most Models Dual Range; (Low & High)
• Operating Pressure: 15 to 10,000 PSI
• Uses Standard SAE 20 Oil or Hydraulic Fluids
• Buna 'N' O-Ring
• Stainless Steel Piston & Cylinder
• Non-Magnetic Weights (Die Cast Zinc)
• Includes NIST Certificate (Data Option Available)
Technical Specifications
Accuracy: +/- 0.1% of reading
Operating Pressure: 15 psi to 10,000 psi (100 kPa to 70,000 kPa)
Operating Media: 1305D: SAE 20 weight automotive or machine oil
1305DH: Phosphate-based or glycol fluids
O-ring Material: 1305D: Buna-N (D series)
1305DH: Ethylene Propylene (DH Series)
Piston and Cylinder: Stainless steel
Weight Material: Non-magnetic die cast zinc
Reservoir Volume: Approximately 1.5 pints (0.7 liter)
Pressure Range Selection
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Piston Assembly
Pressure Range
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Piston Value
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Number of Weights by Value (L=Low, H=High)
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Net
Weight
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PSI Type
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Low
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High
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Low
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High
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L-5
H-25
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L-10
H-50
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L-20
H-100
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L-40
H-200
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L-100
H-500
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lb.
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kg.
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| 1305D-10 |
15/200
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75/1000
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5
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25
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1
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3
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2
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3
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—
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60
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27
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| 1305D-20 |
15/400
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75/2000
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5
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25
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1
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3
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2
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3
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2
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70
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32
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| 1305D-30 |
15/600
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75/3000
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5
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25
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1
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3
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2
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3
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4
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85
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39
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| 1305D-50 |
15/1000
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75/5000
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5
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25
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1
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3
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2
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3
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8
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105
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48
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| 1305D-100 |
15/2000
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75/10,000
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5
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25
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1
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3
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2
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3
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18
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175
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80
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| For hydraulic fluid service (phosphate base and glycols) Specify Option H |
As of February 3, 2005, model 1305DM, 1305DB, 1305DA are Discontinued, 1305D is Still Available
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