Custom-Cal has a high success rate in repairing 3458A Digital Multimeters. We stock a wide range of parts as well as complete units ready for sale or rental. We specialize in quick turnaround times and we can handle expedited deliveries upon request. Custom-Cal offers the highest price for your un-repaired 3458A (our offer is contingent on an appraisal of your unit which allows us to offer the highest dollar amount)
The Agilent / HP 3458A has seven-function measurement flexibility. You can select a rate of 100,000 reading per second for maximal test throughput or achieve highest levels of precision with up to 8 1⁄2 digits of measurement resolution and 0.1 part per million transfer accuracy. Programmable integration times vary from 500 ns to 1 s.

Errors reported by 3458A:
200 Isolator (Recovered)
200 Isolator Does Not Respond
200 Unexpected Slave Processor Reset
201 Nonvolatile RAM DTACK
201 HPIB DTACK
201 Timer DTACK
201 Isolator DTACK
202 Slave Self Test
202 Salve Test: Isolator Date
202 Slave Test: Intr Data
202 Slave Test: DC Board
202 Slave Test: AC Board
202 Slave Test: Overload
202 Slave Test: Gate Array
202 Slave Test: Covergence
202 Slave Test: Interpolator
204 DC VOS DAC Convergence
204 Precharge DAC Convergence
204 MC DAC Convergence
204 Flatness DAC Convergence
204 Level DAC Convergence
204 AC VOS DAC Convergence
204 Atten HF DAC Convergence
204 AC AMP HF DAC Convergence
204 Interpolator Level Seek
204 Interpolator DAC Convergence
204 Reference Control Loop Failure
205 Test Value Out ofRange
206 HPIB
206 HPIB ASM
207 UART
207 UART INTR
208 Timer
208 Timer INTR
210 ROM 0 LOW CHECKSUM
210 ROM 1 LOW CHECKSUM
210 ROM 2 LOW CHECKSUM
211 ROM 0 HIGH CHECKSUM
211 ROM 1 HIGH CHECKSUM
211 ROM 2 HIGH CHECKSUM
212 NONVOLATILE RAM HIGH
212 NONVOLATILE RAM LOW
213 Optional RAM 0 High
214 Optional RAM 0 Low
214 Optional RAM 1 High
214 Optional RAM 1 Low

Accessories:
34132B Deluxe Test Lead Kit with straight retractable sheath banana plugs
  Includes 1.4 m flexible cable and a soft Sanoprene over mold for a comfortable grip. They are rated at 1000V CAT III. Contains red and black test leads, needle point and alligator test lead tips, and red and black retractable hook test leads.
11059A Kelvin Probe Set
  Use for making 4-wire Ohm measurements. The 4 color coded banana jacks and Kelvin clips are both gold plated for maximum conductivity and resistance to corrosion. The probe assembly also includes a ground to guard connector to help remove any ground related errors for the ultimate in high accuracy measurement. The wires are encased in a woven shroud for ease of use and to protect the cables.
11062A Kelvin Clip Set
  Silver plated Kelvin clips are ideal for constructing your own Kelvin Probe set for 4-wire Ohm measurements. Each set contains 2 clips.
11060A Surface-Mount Device Probe
  The gold plated beryllium copper tweezer design provides an easy method to access and accurately measure SMD resistive networks. Length 1.2 m.
11053A Low Thermal Lug to Lug Cable, length 1.2 m
11174A Low Thermal Lug to Banana Cable, length 1.2 m
11058A Low Thermal Banana to Banana Cable, length 1.2 m
E2308A Thermistor Temp Probe
  General purpose temperature probe. 5 KOhm @ 25° C, encapsulated in a stainless steel case. Temperature range: –80° C to 150° C. Accuracy: 0° C to 70° C, ±2%. Time constant: 3 seconds typical.
40653B Thermistor Surface Sensor Assembly
  10,000 Ohm thermistor with fast response gives real time measurements. Temperature range: –10° C to 100° C. Accuracy: ±1°C. termination: bare wire.
34330A 30 A Current Shunt
  This current shunt can be used to extend the current measurement range. Precision 0.001 Ohm resistor. Output is 1 mV per amp of current passing through the shunt. 15 A continuous; 30A for 15 min continuous.
34397A 12 Vdc to 115V ac inverter
  Power instruments from a cigarette lighter with this dc-to-ac inverter.Accepts inputs from 10.5 to 15 V and provides 100 W max. power at 115 Vac.

Options:
001 Extended Reading Memory (expands total to 148 KB)
002 High-Stability (4 ppm/year) Reference
Description of Model 3458A
8 1⁄2 Digit Multimeter Performance Features
 
DC Volts
• 5 ranges: 0.1 V to 1000 V
• 8 1⁄2 to 4 1⁄2 digits resolution
• Up to 100,000 readings/s (4 1⁄2 digits)
• Maximum sensitivity: 10 nV
• 0.6 ppm 24-hour accuracy
• 8 ppm (4 ppm optional)/year voltage reference stability
Resistance
• 9 ranges: 10 Ω to 1 G Ω
• 2-wire and 4-wire Ω with offset compensation
• Up to 50,000 readings/second (5 1⁄2 digits)
• Maximum sensitivity: 10 μ Ω
• 2.2 ppm 24-hour accuracy
AC Volts
• 6 ranges: 10 mV to 1000 V
• 1 Hz to 10 MHz bandwidth
• Up to 50 readings/s with all readings to specified accuracy
• Choice of sampling or analog true rms techniques
• 100 ppm best accuracy
DC Current
• 8 ranges: 100 nA to 1 A
• Up to 1,350 readings/s (5 1⁄2 digits)
• Maximum sensitivity: 1 pA
• 14 ppm 24-hour accuracy
AC Current
• 5 ranges: 100 μA to 1 A
• 10 Hz to 100 kHz bandwidth
• Up to 50 readings/second
• 500 ppm 24-hour accuracy
Frequency and Period
• Voltage or current ranges
• Frequency: 1 Hz to 10 MHz
• Period: 100 ns to 1 second
• 0.01% accuracy
• AC or dc coupled

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