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B-3D Multimeter

Item Number:
1106
Price:
$3,858.25/EA
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All new M.C.Miller meters include a Calibration Certificate.

Features:
  • Increased versatility through solid state design
  • Smaller & 30% lighter than Model B3-A2
  • Simplified operation
  • RFI shielded throughout
  • Excellent visibility in bright sunlight
  • Selectable input resistance
  • Large liquid crystal digital display
Additional Information:
  • Right Meter: Selectable input resistance of 10/25/50/100/200 MΩ on all ranges from 200 mV to 200 V; 20 mV range fixed at 1000 Ω
  • Left Meter: 10 MΩ input resistance on all ranges from 200 mV to 20 V; 20 mV range fixed at 1000 Ω
  • RFI Rejection: A major design achievement was to eliminate the effects of RFI, and offer accurate, repeatable readings
  • Logic: C-MOS LSI; crystal controlled timing
  • AC Rejection: Normal mode 50/60/400 Hz greater than 60 dB
  • Zero: Automatic
  • Polarity: Automatic {negative symbol displayed, positive assumed)
  • Decimal Point: Automatic
  • Battery Life: Amplifiers approx. 150 hours continuous. Low battery voltage indication incorporated into display. Other batteries life dependent upon use
  • Battery Types: Only standard batteries used: D-size, penlight & 9 V transistor types
  • Accuracy: DC 1 % of reading + 1 digit; AC 2 % reading + 1 digit; Ohms ±5.0% of reading ± 1 Digit 
Notice: This device contains a lithium battery and according to FAA/IATA regulations, should not be placed in checked baggage. For more information, go to: FAA.Gov/PackSafe

Right Meter:
  • Liquid Crystal Display with five DC ranges from 20mV to 200 V.
  • High input resistance of 10, 25, 50, 100 & 200MΩ selectable by rotary switch, applicable to 200mV, 2V and 200V ranges. High input resistance permits accurate voltage measurement if there is high resistance in the external circuit. This is an important factor in structure to earth potentials, where reading errors can be costly. The 20mV range has a fixed input resistance of 1000Ω.
  • One AC range 200V.
Left Meter:
  • Liquid Crystal Display with 4 ranges from 20mV to 20V.
  • Milliameter/ammeter with 4 ranges from 20mA to 20A (20 mV drop shunts).
  • Three direct-reading ohmmeter ranges: 20Ω, 2KΩ, 2MΩ.
DC Bias:
  • A DC Bias circuit is connected in series with the right meter and can be used to balance out galvanic and earth potentials.
  • A biasing potential of full scale (+ or -) on any range permits direct measurements of either positive or negative small changes in potential.
  • A panel-mounted light is activated as a reminder if the DC Bias circuit is turned on.
Ammeter:
  • Left meter can serve as a millimeter / ammeter with built-in shunts to provide a wide selection of ranges.
  • Toggle switch permits the left meter to be used as a conventional ammeter, a zero resistance ammeter, or to connect the rheostat and controls in to the circuit to adjust current to a desired value for various tests. Current from a few milliamperes to about 5 amperes, supplied from either internal batteries or an external source, can be adjusted with the controls. Used for current requirement tests, soil resistivity tests, etc.
  • A second toggle switch connects the right meter to the left hand terminals for resistance testing. The left meter can be used with batteries and controls to measure current while the right meter is being used to measure IR drop. This facilitates making ''Null-Amp" type current measurements.
Ohmmeter:
  • Three built-in ohm ranges.
  • Used to determine when good low-resistance contacts are obtained.
  • Circuit can also be used for checking continuity of test leads or resistance of bond wires, etc.
  • The Ohmmeter has an accuracy of ±5.0% of the reading ± 1 Digit
Overload Protection:
  • Advanced design features virtually eliminate the chance of damage to either meter from electrical overload on all volt and millivolt ranges, even the 20mV range. Tests indicate that the B-3D will withstand AC or DC voltages far in excess of any encountered in normal field testing.
  • Ammeter shunts are not protected by the amplifier and are subject to damage by current overloads.
Displays:
  • Liquid crystal displays are special high temperature type (18°F to 176°F or 14°C to 80°C) built to rigid M.C.Miller Co., Inc. specifications.
  • Large display characters (3/4") facilitate rapid, accurate readings.
  • Built-in annunciators to reduce errors in recording readings: V, MV, A, MA, Ohms, LoBat, AC.
  • Excellent visibility in bright sunlight.
  • Damaged displays can be economically replaced in the field without special tools.
Shunts:
  • Built-in multi-range ammeter shunt provides high overload capacity and a high degree of accuracy.
  • Optional accessory external shunt can extend the range of current measurements to 100 amperes.