About Us

Zero Sigma Bringing Excellence in Pipette Service Repair, Pipette Calibration Services for Four Decades

Our purpose is to help our clients make the necessary choices that will allow them to achieve an optimum level of instrument performance, documentation and training necessary for them.

By constantly striving to provide excellence in our services and to accomplish them in the strictest confidence within client’s institution, we hope to establish a long-term cost effective and convenient alternative to in-house calibration or shipping of pipettes out to another company. Since we do the repairs and the paper work on site at each institution, we can personally provide SOPs, better availability of pipettes, improved control over cross contamination and allow our clients to oversee how the calibrations are carried out and customize for their institution.

ZeroSigma offers the customers an un paralleled service with affordable prices. There are various aspects which set us apart from the competition, they are:

The technical representatives at ZeroSigma have over three decades of experience in Repair and calibration of pipettes. We have the knowhow to repair all the brands of pipettes available in the market. We repair single and multi-channel pipettes, and the electronic pipettes.The program we use to calibrate is written by us, hence it is easy to customize.The training is updated annually for all the representatives.

The standard operating procedure we use was developed over the period of years with the input and active participation of our customers from pharmaceutical industry.

Zerosigma Pipette Calibration and Validation Provides a critical service Our customers to keep theire instruments in Regulatory compliance for GMP GLP cCMP, ISO standards for FDA. The Scheduled preventive maintenance for performance verification, Repair and calibration by zerosigma is an essential part of the quality system as required by proposed GMP Quality system

We measure the accuracy and precision of pipettes, and determinsAs found pass or fail for each instrument based upon the maximum permissible errors and tolerance limits established for different pipettes.

We measure the accuracy and precision of pipettes, As found and As left for each instrument based upon the maximum permissible errors and tolerance limits established for different pipettes is provided.

Zero Sigma offers the lowest prices on the calibration service in the entire country. The low overhead and the knowledge of the industry allows us to keep the prices low.

We have retained customers for over three decades because of our flexibility and eagerness to provide the level of service the customers come to expect and demand.

ZeroSigma offers a wide variety of services to meet the specific requirements of the research laboratory. Depending upon the stringency of the requirements you can opt for a level of service.

BASIC PLAN
When measurement data is not required
University Science Labs
As Found N/A
As Returned 4 test weighings @10% and 100%
Preventive Maintenance Yes
Calibration Certificate N/A
Compliance N/A

STANDARD PLAN
Labs with basic service needs
Academic Research & R&D
As Found N/A
As Returned 4 test weighings @10% and 100%
Preventive Maintenance Yes
Calibration Certificate Non-accredited
Compliance ISO 8655-7 Annex A

ADVANCED PLAN
When prior performance matters
Pharma, Biotech & Clinical Research Labs
As Found 4 test weighings @10% and 100%
As Returned 4 test weighings @10% and 100%
Preventive Maintenance Yes
Calibration Certificate Non-accredited
Compliance ISO 8655-7 Annex A

ACCREDITED PLAN
For complete ISO 17025 documentation
GLP/GMP, Regulated Labs
As Found 4 test weighings @10%, 50% and 100%
As Returned 4 test weighings @10%, 50% and 100%
Preventive Maintenance Yes
Calibration Certificate Accredited
Compliance ISO 8655-7 Annex A

We have one of the industries longest warranties. Six months no questions asked warranty on repair and replacement of parts. We stand behind the quality of work we provide.

ZeroSigma is committed to providing the customer with Quality service at reasonable cost.
Our motto is to provide reliable pipette calibrations, dependable service, and NIST traceable certifications.
To ensure that all the information on such calibration is archived on paper and/or electronic media for easy referral and retrieval.

In order to fulfill our commitment, we follow these guidelines:

All our procedures follow International standards ISO/ 8655 guide lines for determining performance of volumetric instruments.
All of our equipment used to perform certification meets or exceeds the specified tolerance of the pipettes we calibrate.
The Micro balances are calibrated with NIST traceable weights.
The Barometer, Hygrometer, Thermometer and the Secondary weights for calibration are all calibrated to NIST traceable standards.
The balances are maintained with bi annual service from the manufacturer or from and ISO approved Service Company or as required by an outside agency.
All the parts used as replacements are purchased from the manufacturer or of highest quality we can obtain and are evaluated by a rigorous statistical analysis for usability.
Each of our Technical Representatives receives quarterly update training on all brands of pipettes.
Each pipette we repair or certify carries with it our“No Questions Asked”, six month warranty on repair and recalibration and replacement of parts.

About Us

Zero Sigma Bringing Excellence in Pipette Service Repair, Pipette Calibration Services for Four Decades

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