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JJG 1138-2017 Active
JJG 1138-2017 Non-dispersive Infrared Methane Transmitters for Coal Mine
Abstract
This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of methane sensors for coal mines based on the principle of non-dispersive infrared spectroscopic absorption (hereinafter referred to as "sensors").
General Product Information
| Document Type | National Metrology and Inspection Regulations JJG |
|---|---|
| Standard Status | Active |
| Standard Code | JJG 1138-2017 |
| Implement Date | 2017-05-28 |
Price
$ 42
Subtotal
$ 42
Tax
$ 0.00
Order Total (incl. tax)
$ 42