product manual 11.09 H-1240D & H-1240D.
Introduction The Humboldt Digital Penetrometer with Automatic Digital Timer is of rugged construction, but requires careful handling to safeguard its accuracy. Keep the instrument clean at all times – especially the drop and indicator plungers, which constitute the spindle assembly. Use denatured alcohol as the cleaner for these surfaces. For complete test procedure(s), refer to the following specifications: ASTM D5, D217, D937, D1168, D1321, D1403, D1831, and AASHTO T49. Installation 1.
3. Measure the travel of the plunger assembly by lowering the digital indicator spindle to contact the plunger and observing the indicator reading. 4. Upon conclusion of the test squeeze the lever to release the plunger and raise it and the indicator spindle.
H-1240 Parts Drawing (Refer to previous page for items that differ from the H-1240 Drawing above.
Penetration Needles and Cones Application Bituminous materials Waxes with 250 or less penetration Specification ASTM D5; AASHTO T49, IP49; ASA Std., A37.1; Fed Spec. SS.R. 406C, Meth. 214.01 Model H-1280 H-1300 Same as H-1280. Certified to ASTM accuracy by independent laboratory. Wt. 2.5g. H-1302 Same as H-1290. Certified to ASTM accuracy by independent laboratory. Wt. 2.5g. H-1290 Long hardened stainless steel needle, 50-55mm exposed needle length. Wt. 2.5g.
Penetration Needles and Cones H-1255 H-1280 H-1290 H-1300 H-1302 H-1310 H-1317 H-1320 H-2519 H-1270 H-2520 H-2522 H-2529
Warranty Humboldt Mfg. Co. warrants its products to be free from defects in material or workmanship. The exclusive remedy for this warranty is Humboldt Mfg. Co., factory replacement of any part or parts of such product, for the warranty of this product please refer to Humboldt Mfg. Co. catalog on Terms and Conditions of Sale. The purchaser is responsible for the transportation charges. Humboldt Mfg. Co.