Accurate Gas Flow Calibration Primary Standard
CalTrak®500
- Accuracy of up to ± 0.35% of reading gas mass flow rate
- Calibrate your flow instruments, save money and time
- Quick, easy to use, automatic data capture
- Portable and battery operated
- Results directly traceable to NIST
Overview
Sierra's CalTrak® 500 is an accurate primary standard gas flow calibrator for all inert gases. The 500 is used for calibration and verification of:
- Mass flow meters
- Controllers
- Variable area flow meters
- Precision in-situ calibration of industrial flow meters and controllers
The 500 is ideal for owners and users of many instruments (more than 25) that require calibration/verification one or more times a year and want to avoid the cost and downtime delay of sending instruments out to get calibrated. For accuracy surpassing the 500, review the industry-best accuracy of the CalTrak 800.
Operating Principal:
All of our CalTrak models contain a nearly frictionless graphite piston that moves freely inside a borosilicate glass tube. When the parallel bypass valve is closed, the gas flow is directed into the tube to push the piston up. Two photo-optic sensors detect the piston as it travels past.
The distance the piston travels between the two sensors is precisely defined and represents a known volume. Accurate crystal-based timers drive a microprocessor which calculates the rate of rise. This defines the volumetric flow rate. At the same time, extremely accurate temperature and absolute pressure sensors collect data used to calculate the mass flow rate.
Product Benefits
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Specifications
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*Note: At gas pressure of 760 mmHg, (1 atm ) and gas temperature of 77°F (25°C) with standardization temperature set to 32°F (0°C)
Documents & Downloads
Datasheets(1) | |||
File Title | Version | Release Date | |
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CalTrak 500 and 800 Technical Datasheet | E | 01/06/2023 | |
Manuals(1) | |||
File Title | Version | Release Date | |
CalTrak 500 Instruction Manual | G | 04/02/2015 | |
Software(2) | |||
File Title | Version | Release Date | |
CalTrak Command Set: Bi-Directional Communications Protocol | 1.0 | 04/06/2015 | |
CalTrak Series Product Software | v1.0 | 03/24/2014 | |
Certificates(4) | |||
File Title | Version | Release Date | |
CalTrak CE Declaration of Conformity | 1.0 | 01/01/2007 | |
RoHS 3, REACH, and WEEE Compliance | 2.0 | 09/20/2021 | |
ARRA Certificate of Conformity | 11/3/17 | 11/03/2017 | |
ISO 9001:2015 | 2022 | 01/10/2022 | |
Additional Documentation(5) | |||
File Title | Version | Release Date | |
Full Line Catalog - German Version | V1 | 08/07/2017 | |
Terms and Conditions | 1.0 | 11/01/2010 | |
Warranty Statement | 2.0 | 04/01/2015 | |
Service Brochure | 2.0 | 04/06/2015 | |
Full Line Product Offering | V3 | 03/30/2023 |