
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 |
![]() |
Factory Mutual Approval |
![]() |
Underwriters Laboratories |
![]() ![]() |
SIL-2 Suitable |
![]() |
CE Mark |
|
LonMark Certified |
![]() |
BACnet Marked |
![]() |
DNP3 Level 2 Conformance Tested |
![]() |
| OPC Self Tested for Compliance | ![]() |
| RoHS Compliant | ![]() |
| ATEX Approval | ![]() |
Modbus Conformance Certification |
|
ODVA EtherNet/IP Conformance Test |
|
California State Fire Marshall (CSFM) |
![]() |
| American Bureau of Shipping Approval | ![]() |
Mil-SpecSierra Monitor's Manufacturing processes, quality control system and cost accounting systems were approved by the U.S. Navy. |
|
Defense Logistics Agency Land & Maritime |
![]() |
City of Los AngelesSeveral key products are approved by the City of Los Angeles for electrical safety. |
|
Honeywell ApprovalThe Sentry MODBUS output is approved under Honeywell Multi Vendor program for interface to TDC-3000 via the Honeywell Gateway. |














