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Our Laboratory Quality Management System is ISO9001:2000 registered.
(view certificate)
All our laboratory technicians are certified by the American Society for Quality (ASQ).
View Certificates:
Daniel P. Griffith
Pete Stemmermann
Carlos J. Vargas
Will R. Wright
New Service! View
on line 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
<< |
| 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 |
|
| 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 |
|
| Test and Measurement Range Scale |
| 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 |
| AC VOLTAGE - MEASURE |
mV to 20 KV
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 ACCURACY |
PHASE LOCKED TO WWVB |
|
| 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 |
±1.5% |
| |
-30 dBm to +20 dBm
100 KHz to 2 GHz - 75 |
±1.5% |
| |
-127 dBm to +30 dBm
2.5 MHz to 1300 MHz |
±0.005dB/
10 dB step |
| MODULATION |
AM, FM, PM & SSB |
±1 dB |
| 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 |
±0.25dB |
| SOUND LEVEL - MEASURE |
MEETS ANSI - TYPE 1 |
|
| TEMPERATURE - MEASURE |
-200°C to +500°C |
±0.01°C |
| TEMPERATURE - SOURCE |
-30°C to +650°C |
±0.01°C |
| THERMOCOUPLES |
ALL |
ITS-68 OR ITS-90 |
| 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. Alll measurements to 68°F ±1°. |
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:
