krom schroeder DG HT Series Manuals

Manuals and User Guides for krom schroeder DG HT Series. We have 1 krom schroeder DG HT Series manual available for free PDF download: Technical Information

krom schroeder DG HT Series Technical Information

krom schroeder DG HT Series Technical Information (28 pages)

Pressure switch for gasDG

Brand: krom schroeder | Category: Switch | Size: 2 MB

Table of Contents

Contents
1
Table of Contents
2
Application
3
Examples of Application
4
Gas Deficiency Monitoring
4
Differential Pressure Monitoring
4
Systems Leak Tightness Check
4
Negative Pressure Monitoring
4
Air Line with Minimum Pressure and Flow Monitoring
5
Low-Pressure Cut-Off and High Gas Pressure Protection Device
5
Certification
6
Overview
7
Function
8
Positive Pressure Measurement
8
Negative Pressure Measurement
8
Differential Pressure Measurement
8
Connection Diagram
9
Blue Pilot Lamp for 230 V AC or for 120 V AC
9
Pilot Lamp with Plug
9
Red/Green Pilot LED for 24 V DC/AC or for 230 V AC
9
Pilot LED with Plug
9
Wiring
10
DG in Zone 1 (21) and 2 (22) Hazardous Areas
11
DG on Pipes with Zone 2 (22) Explosive Atmospheres
12
Animation
13
Selection Table
14
Selection
15
Type Code
15
Project Planning Information
16
Installation
16
Accessories
18
Fastening Set with Screws, U-Shape Bracket
18
Connecting Set
18
External Adjustment
18
Pressure Equalization Element
18
Restrictor Orifice
19
Test Key PIA
19
Filter Pad Set
19
Tube Set
19
Standard Socket Set
19
Standard Coupler Plug
19
Pilot Lamp Set, Red or Blue
20
LED Set, Red/Green
20
Technical Data
21
Adjusting Range, Switching Hysteresis
22
Safety-Specific Characteristic Values for DG
23
Determining the PFHD Value, the ΛD Value and the Mttfd Value
24
Calculating the PFHD
24
Dimensions
25
Maintenance Cycles
25
Glossary
26
Diagnostic Coverage DC
26
Mode of Operation
26
Category
26
Common Cause Failure CCF
26
Fraction of Undetected Common Cause Failures Β
26
B10D Value
26
T10D Value
26
Hardware Fault Tolerance HFT
26
Mean Dangerous Failure Rate ΛD
27
Safe Failure Fraction SFF
27
Probability of Dangerous Failure PFHD
27
Mean Time to Dangerous Failure Mttfd
27

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