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The Rothe Companies | Rothe Enterprises, Inc., Rothe Development, Inc., Rothe Vtran Services, LLC, Rothe Joint Venture, Rothe Texas The Rothe Companies provide government information technology, calibration and metrology services, engineering and design, and manufacturing to government and private sector clients in San Antonio, Houston, Mississippi and beyond

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RDI: Precision Calibration

Our Laboratory Quality Management System Is:
  • ISO/IEC 17025:2005 & ANSI/NCSL Z540-1-1994
    Accredited by the ANSI/ASQ National Accreditation Board/ACLASS

  • (View Certificate)

All Our Laboratory Technicians Are Certified By The American Society for Quality (ASQ).
View Certificates:
  • Pete Stemmermann
  • Will Wright
  • Carlos Vargas
  • Roy Fuentes

  • Since 1976 the Rothe corporate office has maintained an in-house calibration facility to support various government and commercial contracts. This facility specializes in precision calibration and repair of a wide variety of test equipment including:
    • DC and Low Frequency Systems
    • Pneumatic Systems
    • Mechanical Systems
    • Temperature Systems
    • Hydraulic Systems
    All calibrations performed by our laboratory meet the
    stringent requirements of:
    • ISO/IEC 17025:2005
    • ISO 9001:2008
    • ISO 10012:2003
    • ANSI/NCSL Z540
    • Nuclear Regulatory Commission (NRC)
    • Plus Other Customer Requirements

    New Service! View Online Job Status and Retrieve Job Data and Certifications

    As a convenience to our customers and using special web-based software, we now offer online viewing of job status and ability to download calibration data and certifications of your test equipment which was calibrated or repaired in our laboratory.

    To access this system, you must first request that an account be created for you.

    >> First Time Users Request Account with User Name and Password <<

    >> Current Customers with Established Login View Job Status Now <<

    Addresses for specific customer references who have performed audits on this laboratory for compliance with their specifications, including ANSI/NCSL Z540 will be supplied, if requested.

    Electronic Instruments Serviced
    Amplifiers Distortion Analyzers Preamplifiers
    Ammeters Dividers Probes
    Analyzers Frequency Meters Pulse Generators
    Attenuators Frequency Synthesizers Resistance Bridges
    Bridges Frequency Standards Resistance Standards
    Calibrators - Meter Function Generators Signal Generators
    Capacitance Measuring Systems Impedance Meters Sound Pressure Level Meters
    Capacitance Standards Inductance Meters Spectrum Analyzers
    Chart Recorders Megohmmeters Sweep Oscillators
    Comparators Multimeters Temperature/Humidity Meters/Sensors
    Communication Test Sets Noise Level Meters Temperature Chambers
    Converters Oscillators Thermocouple Simulators
    Counters Oscillographs - Viscorders Transistor Testers
    Couplers Oscilloscopes Transmission Test Sets
    Curve Tracers Phase Meters Voltage Standards
    Current Standards Power Meters Voltmeters
    Decades Power Supplies  

    Brand Names Serviced
    Amprobe Boonton Keithley
    A.W. Sperry Dynatech Simpson
    B&K/Dynascan Fluke Tektronix
    Beckman General Radio Triplett
    Biddle Hewlett Packard Wavetek

    Physical Instruments Serviced
    Gage Blocks Depth Micrometer Torque Wrenches
    Pin Gages Height Gages Torque Transducers
    Plug Gages Dial Indicators Scales
    Length Standards Plain Ring Force Gauges
    Calipers Plain Plugs Pressure Gauges
    Outside Micrometers Thread Rings Vacuum Gauges
    Inside Micrometer Thread Plugs  

    We may be able service additional electronic & physical instruments and brands, so if you have a calibration service need not listed here, please call 1-800-229-5209 (or 210-648-3131 in San Antonio) to inquire.

    TEST and Measurement Range Scale for Accredited Calibrations

    View our complete Scope of Accreditation on ANAB: RDI Scope

    Test and Measurement Range Scale for Standard Calibrations Traceable to NIST
    DC VOLTAGE - SOURCE 0 to 20 KV ±0.5 ppm
    DC VOLTAGE - MEASURE 0 to 20 KV ±3.3 ppm
    DC VOLTAGE - TRANSFER 0 to 100 V <1 ppm
    AC VOLTAGE - SOURCE .22 mV to 10 KV
    10 Hz to 1 MHz
    ±45 ppm
    10 Hz to 1 MHz
    ±29 ppm
    DC CURRENT - SOURCE pA to 100 A  ±34 ppm
    DC CURRENT - MEASURE pA to 500 A ±24.5 ppm
    AC CURRENT - SOURCE uA to 100 A 
    10 Hz to 10 KHz
    ±135 ppm
    AC CURRENT - MEASURE uA to 100 A
    10 Hz to 100 KHz
    ±160 ppm
    RESISTANCE - SOURCE u to 1T ±4 ppm
    RESISTANCE - MEASURE u to 10 T ±6.2 ppm
    CAPACITANCE pfd to fd ±0.02%
    INDUCTANCE uH to H ±0.02%
    FREQUENCY - SOURCE uHz to 4.2 GHz  
    FREQUENCY - MEASURE uHz to 12.4 GHz  
    RF POWER - MEASURE -70 dBm to +20 dBm
    100 KHz to 18 GHz - 50
      -30 dBm to +20 dBm
    100 KHz to 2 GHz - 75
      -127 dBm to +30 dBm
    2.5 MHz to 1300 MHz
    10 dB step
    DISTORTION 10 Hz to 110 KHz ±1 dB
    SPECTRUM/FFT ANALYSIS 476 uHz to 8 GHz  
    SOUND LEVEL - SOURCE  74 dB to 114 dB
    125 Hz to 4 KHz
    TEMPERATURE - MEASURE -200°C to +500°C ±0.01°C
    TEMPERATURE - SOURCE  -30°C to +650°C ±0.01°C
    PRESSURE -30 inHg to 1000 psi
    5 psi to 15,000 psi
    AIR ±0.01%
    DEADWEIGHT ±0.1%
    HUMIDITY – SOURCE 11% TO 95% ±0.5%
    HUMIDITY – MEASURE 0% TO 100% ±0.5%
    DIMENSIONAL 0 to 40” GRADE 1 Gage Blocks or XXX Master Rings
    Dimensional measurements also made on Pratt & Whitney Lab Master Universal referenced to Grade 1 Gage Blocks. All measurements to 68°F ±1°.

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    Rothe San Antonio is Now Accepting Credit Card Payments

    Contact Information:

    Pete Stemmermann
    Calibration Lab Manager

    Rothe Development, Inc.
    4614 Sinclair Road
    San Antonio, TX 78222

    800-229-5209 - Toll Free
    210-648-3131, Ext. 20 - Office
    210-648-4091 - Fax

    Will Wright
    Quality Manager

    Rothe Development, Inc.
    4614 Sinclair Road
    San Antonio, TX 78222

    1-800-229-5209 - toll-free
    210-648-3131 Ext. 23 - office
    210-648-4091 - fax

The Rothe Companies | Rothe Enterprises, Inc., Rothe Development, Inc., Rothe Vtran Services, LLC, Rothe Joint Venture, Rothe Texas
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