Fieldpiece ADMN2 Operator's Manual

Dual Port
Differential
Manometer
Accessory Head
Model: ADMN2
P1
Dual-Port
Manometer
Accessory
Head
0.1 ENGLISH
Resolution
0.01 METRIC
(LCD/10)
P1-P2
P2
P1
ZERO
ADMN2
OPERATOR'S MANUAL

Specifications

Pressure Ports: Two tube connectors for 4mm
(3/16 inch) I.D. flexible tubing
Units of Measure: inWC and mbar
Accuracy:
±0.02inWC, ±(0.00inWC to 2.00inWC);
±1.5% FS, ±(2.00inWC to 60.0inWC);
±0.05mbar, ±(0.00mbar to 5.00mbar);
±1.5% FS, ±(5.00mbar to 150.0mbar);
Resolution: 0.1 or 0.01 depending on resolution
selected (If 0.01 resolution is selected you must
divide displayed value by 10 for actual value).
Measurement Range:
inWC: -60.0 to 60.0
mBar: -150.0 to 150.0
Operating environment:
32ºF (0°C) to 122ºF (50°C), under 75%RH
Compatible media: Dry, non-corrosive gases
Battery: Single standard 9-volt battery, NEDA
1604, JIS 006P, IEC 6F22.
Battery Life: 100 hours with low battery LED
indicator on accessory head.
Overrange: "OL" or "-OL" is displayed.
Auto power off: 15 minutes
Dimensions: 131mm(~5 3/16")(H) x 67mm(~2
7/16")(W) x 32mm(~1 1/4")(D)
Weight: approximately 154g (~1/2 pound)
including battery

Description

The ADMN2 is a portable dual port manometer
accessory head. The ADMN2 is capable of taking
gas pressure as well as static pressure. The
ADMN2 also has a zero adjust. The auto-power-off
function conserves battery life, but can be disabled
for data logging if desired.
The ADMN2 will allow you to take gas pressure
P2
between -60inWC and 60inWC. The ADMN2 can
measure P1 or P2 pressure readings or the differ-
ence between P1 and P2. The ADMN2 also has two
different measurement scales: inWC (inches of
ON
water column) and mBar. Static pressure is possible
Lo Batt
with the resolution of 0.01inWC or 0.01mBar.

Operation

1. Connect to COM and Volts jacks using any
Fieldpiece test leads with removable probe tips.
For Fieldpiece "stick-style" meters, EHDL1, or
AUTO
DL3, slide the head directly over the meter.
OFF
2. Select the mVDC range.
3. Zero the ADMN2 by pressing the ZERO button
just before taking the pressure readings, while
at ambient pressure. This will zero both P1 and
P2.
4. Connect a single hose to get the gauge pres-
sure relative to the ambient or ZERO pressure.
5. Connect both hoses if you want to see relative
pressure, P1 minus P2.

Resolution Modes (0.1 and 0.01)

There are two modes of resolution on the
ADMN2. For most applications, 0.1 mode will be
fine to use. When measuring low pressures, 0.01
will likely be the best mode for meaningful testing.
The most common circumstance for 0.01 mode is
measuring static pressure across a blower.
0.1
0.01
(LCD/10)
3.0 inWC
Gas pressure measurement
(0.1 resolution mode)
6. Select P1, P2, or P1 - P2.
7. Select English (inches of water column) or
Metric (mBar) units.
8. To disable the auto-power-off, remove the rub-
ber covering and flip the switch below. Auto-
power-off is helpful for conserving the battery;
but if you are data logging with Fieldpiece model
DL3, you will want to disable this feature.
9. If you are in an environment where the tempera-
ture is noticeably changing while you are taking
your reading, disconnect the meter from the
hoses and ZERO it relative to ambient pressure
before each reading.

Checking Gas Pressure on a Regulator

1. Screw the brass fitting into the pressure port on
the regulator.
2. Put unit into operation (i.e. turn on the furnace
and have furnace ignite, as if running it in nor-
mal operation.)
3. This will give you the pressure coming out of the
regulator.
4. If you suspect high or low inlet pressure into the
regulator, the manometer can hook into the inlet
port in the same manner it can connect into the
outlet port. If you have a dual-port manometer,
you can check both the inlet and the outlet
simultaneously and see the pressure drop
across the regulator.
5. See manufacturer's specification for the specifi-
Only when using 0.01 mode, the display of your
meter will show the true measurement X 10. So if
the true measurement is 0.08, your meter will show
0.8. This is done to optimize resolution.
0.1
P1
0.01 Dual-Port Dual-P
Ma Manom Manometer e
P1 P2
Acces Accessory cessory
Head Head
(LCD/10)
Resolution Resolution tion
Dual-Port
ON
Manometer
Accessory
Head Lo Batt
P1-P2
0.1 ENGLISH
Resolution
0.01 METRIC
(LCD/10)
P1-P2
P2
P1
ZERO AUTO ADMN2
OFF
ADMN2
To Meter
0.8
To Meter
3.0
mVDC
Static pressure across a blower
(0.01 resolution mode)
0.8mVDC / 10 = 0.08inWC

Field Pressure Calibration

By pressing the ZERO button, both the P1 and P2
are zeroed to the ambient pressure. For this reason
the calibration should be done when both P1 and
P2 are disconnected from the hoses in order to
properly calibrate to ambient pressure.

Connect Your Way

Warranty

er against defects in material or workmanship for a
period of one (1) year from the date of purchase.
During the warranty period, Fieldpiece Instruments
will, at its option, replace or repair the defective unit.
from abuse, neglect, accident, unauthorized repair,
alteration, or unreasonable use of the instrument.
Any implied warranty arising out of the sale of
Fieldpiece's products including but not limited to
P2
implied warranties of merchantability and fitness for
0.05
purpose are limited to the above. Fieldpiece shall
ON inWC
not be liable for incidental or consequential dam-
Lo Batt
ages.
0.1 0.1 ENGLISH E

Service

0.01 0.01 01 ME METRIC
(LCD/10) (LCD/10)
P2
P1
warranty service along with proof of purchase.
Contact Fieldpiece for out of warranty repair
ZERO AUTO
charges.
OFF
-0.03
inWC
mVDC
cations on target inlet and outlet pressure for a
given regulator or piece of combustion equip-
ment.
Remove the rubber covering the ZERO button.
P1 P2
P1 P2
Dual-Port
Manometer ON
Dual-Port
P1 P2 Manometer ON Accessory
P1 P2
Accessory Head Lo Batt
Lo Batt
Head 0.1 ENGLISH
0.1 ENGLISH
Resolution
Resolution
0.01 METRIC
(LCD/10)
Dual-Port 0.01 METRIC
ON (LCD/10)
Dual-Port Manometer
ON P1-P2
Manometer Accessory
Accessory Head Lo Batt P1-P2 P2
P1
Head Lo Batt P2
0.1 ENGLISH P1
0.1
ENGLISH
Resolution
Resolution
0.01 METRIC
(LCD/10)
0.01 METRIC
(LCD/10) ZERO
ZERO AUTO
P1-P2
P2 OFF
P1-P2
P2 P1
P1
ADMN2
ADMN2
ZERO AUTO
ZERO AUTO
OFF
OFF
ADMN2
ADMN2
OFF
2000
EHDL1 LT series DL3 HS series
The product is warranted to the original purchas-
This warranty does not apply to defects resulting
Return any defective ADMN2 to Fieldpiece for
AUTO
OFF
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