Sierra Monitor's Quality Policy

Quality and Third Party Approvals

Sierra Monitor places a high priority on quality. This quality is reflected in our products and customer service. In addition to our ISO 9001 Registered Quality System, many of our products have been approved and certified by third party agencies. Click on the approval agency or logo below to see what products are certified and the type of certification.

ISO 9001:2008 Registered Quality System ISO9001:2008 quality - Sierra Monitor
Factory Mutual Approval FM Global Approved Products by Sierra Monitor
ATEX Approval ATEX approval
IECEx Certificate of Conformity IECEx Certificate of Conformity
Underwriters Laboratories UL Certified products by Sierra MonitorUL Approved products by Sierra Monitor

TUV Rheinland is a provider of product safety testing and certification services. TUV has provided product testing of several Sierra Monitor and FieldServer Technologies products to certify that they meet UL, CSA and other Standards.

CSA (Canadian Standards Association) CSA
SIL-2 Suitable SIL 2 Suitable
CE Mark CE Marked products by Sierra Monitor
RoHS Compliant RoHS
American Bureau of Shipping Approval ABS Approval
California State Fire Marshall (CSFM) CSFM Approved
BACnet Marked BTL Mark
LonMark Certified LonMark approved products by FieldServer Technologies
DNP3 Level 2 Conformance Tested DNP3 certified gateways
Modbus Conformance Certification Modbus certified gateways by FieldServer Technologies
CQST - China Certification CQST

Sierra Monitor's Manufacturing processes, quality control system and cost accounting systems were approved by the U.S. Navy.


Defense Logistics Agency Land & Maritime
Sierra Monitor received the several awards from the Defense Logistics Agency Land & Maritime one of the government's best suppliers. This award met that Sierra Monitor has met the stringent quality and delivery requirements established by the Defense Logistics Agency.

Defense Logistics Agency Land and Maritime
City of New York

Both Sierra Monitor gas detection products and FieldServer Technologies gateways have received MEA Approval by the NYC Department of Buildings Materials and Equipment Acceptance Division.

City of New York
City of Los Angeles

Several key products are approved by the City of Los Angeles for electrical safety.

City of Los Angeles Approval
Honeywell Approval

The Sentry MODBUS output is approved under Honeywell Multi Vendor program for interface to TDC-3000 via the Honeywell Gateway.

Your Highest Expectation is Ours

Related topics