MesaLabs Bios Defender 530+
Standardized & Volumetric Flow Measurement
Primary Standard Air Flow Calibrator
Air Flow Calibrator with DryCal^® Technology

Larger picture of Defender

The Defender 530+, a true primary air flow calibrator, for use in laboratory, critical industrial process control and environmental applications, replaced the Definer 220 MetLab series of calibrators in January 2017.

The Defender 530+ allows users to verify gas flow rates in the field or in the lab to an accuracy of ±1% percent for readings standardized for temperature and pressure and ±0.75% in the volumetric flow mode. Available with flow rates from 5 cc to 30 liters

Unlike thermal mass flow meters, the Defender 530+’s positive displacement technology provides immediate indication of actual volumetric gas flow rate – accurately and independently of gas type. Integrated temperature and pressure sensors in the flow stream allow users to automatically standardize volumetric flow readings to standard conditions,rather than just recording the values, for traceable verifications of mass flow devices.

The Defender 530+ is easy to use. Turn it on, connect it to the instrument being calibrated and start taking readings. It's as simple as that. Calibrations within a minute with no messy soap bubble solutions to wait on or clean up or warm-up times.. Take hands-free continuous readings while quickly and accurately setting the flow rate on air sampling pumps or other instruments. The Defender calibrators connect to any PC and pre- and post-calibration data can be downloaded to the DryCal® Pro software.

The MesaLabs Defender Model Overview

Defender 500 Series Model Flexibility Depending on Application

•  Defenders available in three different models depending on application
  1. Defender 510: volumetric flow calibration of personnel or area monitoring air samplers
  2. Defender 520: enhanced volumetric flow calibration with ability to record ambient temperature and pressure conditions for audit trails
  3. Defender 530+: calibrate using volumetric flow readings or standarized readings which correct for temperature and pressure, and calibrate devices that read in mass flow
•  Choose between flow units
  • – Volumetric: mL/min, L/min, cc/min, or cf/min
  •   Standardized: smL/min, L/min, cc/min, scf/min
•  Include up to one hundred readings in a group average
•  Take individual readings, continuous hands-free readings, or set to read in time intervals anywhere from one minute to sixty minutes between readings

Defender 530+ Accuracy

• Accuracy of ±1% percent for readings standardized for temperature and pressure and ±0.75% for volumetric flow readings
• MesaLabs is a fully accredited ISO-17025 facility with a 0.08% Scope of Accreditation for gas flow by NVLAP of NIST.
• Integrated temperature sensors and pressure transducers placed directly in the flow stream for optimum standardized results.

The Defender 510 and 520, Defender 530+ calibrators can use the DryCal Pro software for bullet-proof transfer of volumetric and standardized flow data and have automatic recording and graphing of flow measurements.

These records can also be easily opened in a variety of off-the-shelf database applications, including Microsoft Excel or Access.

       Bios Defender 510, 520 and 530+ Calibrator
                               Kit Options & Pricing

Part Number

Description

Flow Range *

* Defender 510 = ±1% of reading volumetric.
* Defender 520 = ±1% of reading volumetric, includes temperature and pressure    recording
* Defender 530+ =.±0.75% of reading volumetric, ±1% of reading standardized    for temperature & pressure

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