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DL76
9 001:2008
ISO
DATA LOGGER SYSTEM
INSTRUCTIONS
DL76 DATA LOGGER SYSTEM INSTRUCTIONS
CERTIFIED COMPANY
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GENERAL INFORMATION
DL76
Data Logger
Data
Port
Active
Replace
Battery
The DL76 is a battery-powered data logger that can be used
with any Seametrics owmeter. It stores pulses for up to 3
years, depending on the user-selected frequency of reading.
Indicator lights on the unit ash to indicate when it is functioning and when the battery is low.
The DL76 can be factory-mounted on the meter or remotely
mounted. Housings are rugged cast aluminum, gasketed for
environmental protection.
When a DL76 logger is placed into operation, it is easily set
up using a laptop computer. Data is also retrieved from the
FEATURES
Removable foot brackets for remote
mounting (wall mount model only)
Data port connector for Seametrics
DC3 serial or USB data collection cable
Protective data port cap (shown open)
DL76 by means of a laptop and can be analyzed on the laptop
or easily loaded on a desktop computer for analysis.
FlowInspector software (ordered separately) is required for
the downloading, storing, viewing, graphing, charting and print-
ing of data in several formats.
FlowInspector requires a PC with Windows 98, NT, 2000, XP,
Vista, or Windows 7; CD-Rom drive; 800 x 600 screen resolution; serial port or USB/serial adapter; and a Seametrics DC3
data cable. FlowInspector comes in versions compatible with
up to 4, up to 16, or 17+ dataloggers.
Bright status LEDs ash to indicate
logger activity and battery life
Sturdy gasketed cover with potted
electronics
SPECIFICATIONS*
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Power
Battery Life
Temperature
Rate Units Volume
Time
Total Units
Data Storage Capacity
Maximum Input Frequency
Indicators
Memory Wraparound
Clock Accuracy
*Specications subject to change • Please consult our website for current data (www.Seametrics.com).
Size C 3.6 Vdc lithium battery (included)
Estimated life is 3-5 years depending on usage.
0˚ to 130˚ F (-18˚ to 54˚C)
mL, liter, gallon, Imperial gallon, cubic foot, cubic meter, million gallon
Seconds, minutes, hours, days
Liter, gallon, Imperial gallon, cubic foot, cubic meter, million gallon,
acre-foot, acre-inch, megaliter, thousand-gallon
Capacity at Sampling Interval
11 days at 15 seconds
22 days at 30 seconds
44 days at 60 seconds
6 months at 240 seconds
1 year at 480 seconds
3 years at 1450 seconds
500 Hz
Low battery; Power
Selectable options (Stop or Overwrite)
10 minutes/month (.02%)
Cable to meter (wall mount only)
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MOUNTING & CONNECTIONS
3 “
MOUNTING
There are three mounting congurations for a DL76: Meter
mount for mechanical meters, meter mount for insertion
magmeters, and wall mount (DL76W). The meter mount
models match up to any Seametrics lower square housing.
All congurations can be factory-ordered or eld-installed.
Converting from one mounting conguration to another
requires use of MK10 or MK20 mounting kits.
OPERATION
Seametrics FlowInspector V.2 software is required for
operation of the DL76. Please consult your FlowInspector
manual for instructions in loading the software onto your
DIMENSIONS
DL76W (WALL MOUNT) DL76M (METER MOUNT)
16
DL76
Data Logger
Active
Data
Replace
Port
Battery
4.77 mm
2.06”
5.23 cm
3.95”
10.03 cm
4.90”
12.45 cm
Meter Mounting. Remove the four screws on the meter cover
with a 5/32” Allen wrench. After connecting the leads to their
respective terminals (see diagram), put the DL76 in place of
the meter cover and tighten the screws evenly. The gasket
on the DL76 should be visibly compressed by tightening all
around.
computer, setting up your DL76 for use, downloading, storing,
and analyzing your data.
2.82”
7.16 cm
3.95”
10.03 cm
4.52”
11.48 cm
CONNECTIONS (see also next page)
Caution: Do not apply external
power to the DL76
3.35”
8.51 cm
DL76 TO MECHANICAL METER DL76 TO MAGMETER
-
S
+
White
Black
Red
Flow Sensor
+
Power
-
+
-
S
-
+
Forward
Output
Magmeter
Connections
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Page 4
CONNECTIONS
DL75
Sensor
Metering Pump
FT415
FT420
DL75
DL76 TO FT415
BATTERY
Sensor Pulse
White
-
S
Green
+
- +- +
Outputs
Sensor Input
BATTERY
Caution: Do not apply external
power to the DL76
DL76 TO FT420
-
S
BATTERY
+
TROUBLESHOOTING
Problem
Laptop screen reads
”No connection” and “Active” light is NOT blinking
Laptop screen reads
”No connection,” but “Active” light IS blinking
To Pulse Responsive
White
Green
Probable Cause Try...
DL76 is transmitting data.
Wait two minutes before taking action.
Dead battery in DL76
Loose cable
Bad cable
-
Pulse
+
Passthru
-
Pulse
+
Scaled
Power
4-20 mA
-
+
Sensor
Input
-
S
+
To Flow
-
Black
Red Black
+
12-32 Vdc
Loop Power Supply
To Flow Sensor
+
-
-
4-20 mA Device
Wait for “Active” light to blink
Replace battery
Tighten cable
Test cable (tech bulletin “DL75/76: Testing the
DC3 Serial Cable” on Downloads page at
www.Seametrics.com)
K-factor setting is incorrect
Damaged ow sensor
Flow rate incorrect
No ow rate
Broken wire
Seametrics Incorporated • 19026 72nd Avenue South • Kent, Washington 98032 • USA
(P) 253.872.0284 • (F) 253.872.0285 • 1.800.975.8153 • www.Seametrics.com
Make sure K-factor in DL76 matches ow sensor
Mechanical: See if rotor spins freely
EX Magmeter: See if “Status LED” indicator is
blinking
Check for ow rate
LT-65200312-041415
4/14/2015
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