Humboldt H-3248 Product Manual
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Humboldt H-3248 Product Manual

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product manual
07.24
H-3248 and H-3250
H-3250
H-3250D
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Summary of Contents for Humboldt H-3248

  • Page 1 07.24 H-3248 and H-3250 H-3250 H-3250D Length Comparators...
  • Page 3 Notify Humboldt Mfg. Co. or your local agent and file a claim with any carriers involved if you find any damage to the machine. Unpack all of the equipment carefully to prevent loss of small items or manuals.

  • Page 4: Operation

    With the test bar in place between the terminals, set the large hand on the outer scale and the hand on the lower small scale (0.010" movement) on “0”. The upper small scale (0.100" movement) should be set on “2”. If adjustment is necessary, loosen the hex locking nut on the terminal elevating screw at the base and adjust the height of the terminal until the hand on the upper small scale (0.100"...
  • Page 5 Reading Instructions for H-3250.3 Dial Gauge figure 1 The gauge shown above has a total range of .400". This is indicated by the upper small scale, which goes to 4. The gauge has a accuracy of .0001", which is measured on the large outer scale. Each gradation of the outer scale is equal to .0001"...
  • Page 6 Operation of Digital (Electrical) Indicator This dual power indicator uses either internal batteries or an external AC Adapter for operating power. The standard lithium batteries are Manganese Dioxide Chemistry, listed under IEC # CR2450. A standard 2.5mm audio jack is provided for use by the 9 VDC AC adapter;...

  • Page 7: Changing Resolution

    Basic Operating Instructions Please refer to figure 2 for the instructions below: ON/OFF: To turn Indicator On: Press ON/clr and release when clr appears. To turn Indicator Off: Press and Release OFF CLEAR: To Clear Display to zero: Press and Release On/clr HOLD: To Turn Max.

  • Page 8: Total Reset

    than the base gauge as purchased. TOTAL RESET: To clear all settings and return to factory set defaults: Press and hold 2ND until 2nd appears on bottom display and then release. Press and release ON/clr within 3 seconds Press and release CHNG within 3 seconds Internal Memory Digital indicators include internal non-volatile memory to store all factory default and user settings.
  • Page 11 Description Model Invar Reference Bar H-3249A for use with H-3250 and 10" (254mm) specimens Invar Reference Bar H-3249A.16 for use with H-3248 and 16" (254mm) specimens Dial Indicator H-3250.3 Digital Indicator H-3250.3D Anvil with collar (one each) H-3250.4 Anvil only H-3250.4.4...

  • Page 12: Construction Materials

    Humboldt Mfg. Co. U.S.A. Toll Free: 1.800.544.7220 875 Tollgate Road Voice: 1.708.468.6300 Elgin, Illinois 60123 U.S.A. Fax: 1.708.456.0137 Email: hmc@humboldtmfg.com Testing Equipment for Construction Materials HUMBOLDT www.humboldtmfg.com...

This manual is also suitable for:

H-3250

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