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Marshall | Digital MasterLoader Material Testing

Marshall | Digital MasterLoader

Product Code:HM-3000.3F

Need more Info? (514) 354-2511 - 1-800-463-4363

Humboldt’s HM-3000 Series Digital MasterLoader can handle it all. Designed for applications requiring multi-purpose loading systems, the HM-3000 is ideal for just about any application from road construction to high-volume commercial and educational laboratories. HM-3000 MasterLoader provides fully-automatic test performance allowing unattended operation while controlling motor start/stop, speed selection and test data acquisition. It’s modular design allows the machine to be custom configured to handle any test necessary. You can buy the machine to handle any specific test needs and add on to its capabilities at a later time. This way you only pay for what you need, but you are never faced with an obsolete system.

The HM-3000 will function as a standalone device or can be interfaced with a computer using Humboldt’s HMTS software.

It also provides an analog output port if you need to utilize an XYt chart recorder. The HM-3000 is specifically designed for soil testing labs conducting multiple testing operations including: UU, CU and CD triaxials, UC, CBR, LBR and Marshall tests. With its four-channel data logger, the HM-3000 can acquire data from load, strain, pore pressure and transducers.

The data acquisition can be automated by setting trigger conditions to start and stop logging. Tests can be initiated or terminated automatically increasing lab productivity.

Features include
  • Four channels with real-time data acquisition
  • Backlit LCD display
  • RS-232 interface for computer or printer.
  • Nonvolatile test data storage and instrument calibration
  • Battery-backed real-time clock
  • Auto conversation of instrument calibration between English or Imperial units and SI or metric units
  • Test setup and selection via keypad
  • Automatic triggering of test logging data
  • View logged test data via the LCD display
  • Logging rate as fast as 0.1 second/reading
  • Windows-based software included for viewing and exporting test data into an Excel-format file with plug and play features.


Applicable Standards
  • Covers: CBR, UU, CU, CD, Marshall and Hveem Tests
  • ASTM: D1883, D2850, D2166, D4767, and D1559
  • AASHTO:T193, T296, T297, T208, T245, and T246
  • BS 1377: Part 4: 1990, BS 1377: Part: 1990, BS 1377: Part 8: 1990, BS 598: Part 107


Dimensions (l x w x h) 17 x 19 x 59 inch (430 x 480 x 1500 mm)
Platen Travel 4 inches (100mm) Max.
Net Weight 240 lbs. (110 Kg)
Shipping Weight 285 lbs (130Kg)
Speed Range 0 - 3.0000 inch/min (0 - 75.0000 mm/min)
Load capacity 11000 lbs. (50 KN)
Vertical clearance 40 inch (1000 mm) Max.
Horizontal clearance 15 inch (380mm)
Electrical / Electronics
Voltage 110/220 VAC 50/60HZ
Current 8.5 Amps
Analogue to digital converter 16 Bit
Data storage 4000 Reading
Data collection rate 100 ms
Computer port RS232


Ordering Information
HM-3000.3F — Digital MasterLaoder, 110/220 VAC 50/60 Hz
HM-3000M Users Manual
SHH04 3/4-16 Bolt x 3-1/2 inch long
WF04 Washer for SHH04 Bolt
H-4178.2 3/4-16 Stud x 1-1/2 inch long
H-4454.3 3/4-16 Plug / Adapter
HM-3000.10.1 Cylinder Bracket Holder
HM-3000.10.2 Displacement Indicator Platform
HM-3000.10.3 Displacement Indicator Rod


Test Accessories
HM-3001 — California Bearing Ratio (CBR) Accessory Set :
Consist of:
H-4178CBR Plunger
Load cell 10,000 lb (50 KN)
Displacement Transducer 1.0" (25mm)
Displacement Transducer Bracket
HM-3002 — Unconsolidated Undrained (UU)
Triaxial Accessory Set Consist of:
Load cell 2,000 lb. (10KN)
Ball seat adapter
Displacement Transducer 2.0" (50mm)
Displacement Transducer Bracket
HM-3003 — Consolidated Undrained (CU)
Triaxial Accessory Set Consist of :
Load cell 2,000 lb. (10KN)
Ball seat adapter
Displacement Transducer 2.0" (50mm)
Displacement Transducer Bracket
Pore Water Pressure Transducer 200 PSI (1400 kPa)
De-Airing Block for HM-4170
HM-3004 — Unconfined Compression (UC) Accessory Set
Consist of:
Load cell 500 lb. (2.5KN)
Displacement Transducer 2.0" (50mm)
Displacement Transducer Bracket
Unconfined Upper Platen
HM-3005 — Marshall Stability Accessory Set:
Consist of:
Load cell 10,000 lb. (50KN)
Displacement Transducer 1.0" (25mm)
Displacement Transducer Bracket
Reporting Software:


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