GE DigitalFlow DF868 User Manual

March 2008
1-36 Programming Site Data
SETUP Limits and Default
Values
Table 1-14: Default Values and Limits for SETUP Parameters
Parameter
Default
Value Low Limit High Limit
Transit-Time Parameters
Signal Low Limit 40 -20 100
Cor. Peak Limit 100 0 500
Soundspeed ±
Limit
20% 1% 50%
Velocity Low Limit -40.0 ft/sec
(-12.142 m/
sec)
-100 ft/sec
(-30.48 m/sec)
+100 ft/sec
(+30.48
m/sec)
Velocity High Limit -40.0 ft/sec
(-12.142 m/
sec)
-100 ft/sec
(-30.48 m/sec)
+100 ft/sec
(+30.48
m/sec)
Acceleration Limit
15.0 ft/sec
2
(4.6 m/sec
2
)
0
100 ft/sec
2
(30 m/sec
2
)
Amp. Discrim Low 14 0 100
Amp. Discrim High 34 0 100
Delta T Offset 0 -1,000 µsec 1,000 µsec
% of Peak 50% -100% 100%
XMIT Sample Size 8 2 32
# Errors Allowed 6 0 16
Minimum Peak %
Limit
-100 +100
Maximum Peak %
Limit
-100 +100
T Window 0 0 1,000
R Window 10 10 128
TransFlection
Signal Low Limit 40 -20 100
Velocity Low Limit -40.0 ft/sec
(-12.142 m/
sec)
-100 ft/sec
(-30.48 m/sec)
+100 ft/sec
(+30.48
m/sec)
Velocity High Limit -40.0 ft/sec
(-12.142 m/
sec)
-100 ft/sec
(-30.48 m/sec)
+100 ft/sec
(+30.48
m/sec)
Rep Period 1 200 µsec 100 µsec 3,200 µsec
Rep Period 2 800 µsec 100 µsec 3,200 µsec
XMITS per
Reading
5,000 1,024 30,000

GE DigitalFlow DF868 Specifications

General

Brand	GE
Model	DigitalFlow DF868
Category	Measuring Instruments
Language	English