24 - table vii. field check readings – Intek RheoVac 940 User Manual

Page 26

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- 24 -

TABLE VII. Field Check Readings

JP4WIRE

LABEL†

TRANSDUCER CABLE / WIRE

SIGNAL DEFINITION

EXPECTED

VOLT AGE [V dc]

*

RECORDED

VOLT AGE [V dc]

+

!

B

A

Flow sensor common voltage sense

< 1.0V

C

A

Flow sensor current return

0.000V

D

F

Flow sensor heated RT D voltage sense

Range: 5 to 40mV

E

B

Flow sensor heated RTD current source

Range: .2 to .4V

F

B

Flow sensor reference RTD voltage sense

Range: .2 to .4V

G

B

Flow sensor reference RTD current source

Range: .2 to .4V

H

B

Flow sensor heater

<10V

I

Q

Relative saturation sensor voltage source

Range: 10 to 14V

J

K

Relative saturation sensor RTD differential voltage sense (+)

Range: 1.0 to 1.4V

K

Q

Relative saturation sensor RTD offset voltage sense

Range: 0 to !2V

L

M

Pressure sensor differential voltage sense (+)

Range: 0 to 100mV

M

K

Pressure sensor offset voltage sense

Range: 1.5 to 2.5V

N

Q

Relative saturation sensor voltage (+)

Range: .5 to 5.5V

O

K

Pressure sensor current source

Range: 3.5 to 4.5V

P

K

Relative saturation RTD current source

Range: 1.0 to 1.4V

R

Q

Relative saturation heater supply

Range: !2 to !4V

S

Q

Relative saturation heater return

Range: !.7 to +.05V

T

K

Pressure sensor port heater supply

Range: !18 to !24V

U

Q

Pressure sensor port heater return

< .1V

*Complete this table and fax it to the factory (See SECTION 5 — CUSTOM ER SERVICE).
†Connect + lead of volt meter to + column; Connect

!

lead of volt meter to

!

column.

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