Fluke 725 ex Контрольные схемы онлайн
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Fluke 725 ex Контрольные схемы онлайн

Fluke 725 ex Контрольные схемы онлайн
PN 4926220
December 2017, Rev.1, 5/18
© 2017-2018 Fluke Corporation. All rights reserved. Specifications are subject to
change without notice. All product names are trademarks of their respective companies.
725Ex Multifunction Process
Calibrator
CSA: IS Class I; Div 1;
Groups B-D T = 171 ºC
AEx ia IIB, T = 171 ºC
Ta = -10 ºC... +55 ºC
Entity Parameters:
Input Entity Parameters:
All Inputs: J1-J2, J3-J4, J5-J6, J7-J8:
Ui = 30 V, Ii = 100 mA
Pi = 750 mW, Li = 0 mH
J1-J2: Ci = 0.01 uF
J3-J4: Ci = 0 uF
J5-J6: Ci = 0.01 uF
J7-J8: Ci = 0 uF
Entity Parameters:
J1-J2: Uo = 13.7 V, Io = 96.5 mA, Po = 331 mW
J3-J4: Uo = 13.6 V, Io = 25.2 mA, Po = 86 mW
J5-J6: Uo = 13.7 V, Io = 26 mA, Po = 90 mW
J7-J8: Uo = 13.7 V, Io = 76 mA, Po = 261 mW
Terminals Co (uF) Lo (mH)
Grp B IIB, Grp C IIA, Grp D Grp B IIB, Grp C IIA, Grp D
J1-J2 1.0 5.0 18.1 4.0 16.0 32.0
J3-J4 1.0 5.2 18.6 50.0 200.0 400.0
J5-J6 1.0 5.0 18.1 50.0 200.0 400.0
J7-J8 1.0 5.0 18.1 6.1 22.0 45.0
NOTES:
1. Connections to an Intrinsically Safe Apparatus/Associated
Apparatus/Loop must be in acordance with notes 2 thru 5.
2. Intrinsic Safety Entity Concept:The Intrinsic Safety Entity Concept
allows the interconnection of two or more Approved Intrinsically
Safedevices or Associated Apparatus with entity parameters
notspecifically examined in combination as a system when:
Uo or Voc or Vt <= Vmax or Ui
Io or Isc or It <= Imax or Ii
Ca or Co >= Ci + Ccable
La or Lo >= Li + Lcable
Po <= Pi
3. Installation must be in accordance with Article 500 or Article 505 of
the NEC (ANSI/NFPA70) and ANSI/ISA RP12.6 orequivalent.
Installation in Canada should be in accordance with the Canadian
Electrical Code, CSA C22.1, Part I.
4. The Fluke 725Ex Multifunction Process Calibrator may only be
connected to terminals with compatible entity parameters except as
indicated in Note 2 and must not be connected to internal circuitry of
Associated Apparatus or Intrinsically Safe Apparatus. Failure to
comply with this rule violates approval.
5. Applying more than 30 V or 100 mA to the input terminals
invalidates the Calibrator's Ex Approval and may damage the unit.
Immediately remove the unit from the Ex hazardous area and contact
a Fluke Service Center. Control equipment connected to the
Associated Apparatus must not use or generate more than 250 Vrms
or V dc.
6. Examples of a simple apparatus are switch, TC, RTD and
connector.
7. Refer to the 725Ex Users Manual for additional safety information.
8. No revision to this drawing is permitted without approval from CSA
and SIRA.
UNCLASSIFIED AREA OR AREAS
CLASSIFIED AS ZONE 0 OR CLASS I,
DIV 1, GROUPS B, C, D
THE CONNECTIONS SHOWN FOR J1-J6
JACKS CAN BE USED SIMULTANEOUSLY
WITH ANY CONNECTION SHOWN FOR J7-J8
JACKS
W
�ONLY CONNECTIONS SPECIFIED ON
THIS DRAWING ARE ALLOWED. OTHER
CONNECTIONS MAY INVALIDATE INTRINSIC
SAFETY
Measure mA
Simulate mA
Approved Associated
Apparatus
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Source mA
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Measure V,
Frequency
Approved Associated
Apparatus or
Approved Intrinsically
Safe Apparatus
Source V,
Frequency,
RTD (Ohms)
Approved Associated
Apparatus or
Approved Intrinsically
Safe Apparatus
Measure RTD (Ohms)
2, 3, 4 Wire Mode
Mode Connections used
2 Wire 2 W ONLY
3 Wire 2 W and 3 W
4 Wire 2 W, 3 W and 4 W
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Measure
Thermocouple
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Source
Thermocouple
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Measure mA
feedback
Approved Associated
Apparatus
Loop
Input
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Measure mA
feedback while
providing power
to the loop
Loop
Input
Simple Apparatus or
Approved Intrinsically
Safe Apparatus
Measure V
using J7-J8 jacks
Approved Associated
Apparatus or
Approved Intrinsically
Safe Apparatus
Fluke pressure module only
Pressure Mode
THE PRESSURE MODULE CAN BE
USED SIMULTANEOUSLY
WITH ANY CONNECTION
SHOWN ON THIS DIAGRAM
FOR J1-J8 JACKS

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