Dwyer Instruments DigiMag DM-1200 Series Specifications-Installation And Operating Instructions

Series DM-1200 DigiMag
Specifications - Installation and Operating Instructions
The Series DM-1200 DigiMag Digital Differential Pressure and Air Flow Gage is
®
the ideal digital instrument to take the place of analog mechanical pressure gages.
The DigiMag ® Digital Gages are more versatile than analog gages with their ability to
be field-programmed to select pressure, air velocity or flow operation. The DigiMag
Digital Differential Pressure Gages have an added feature for filter applications where
a set point can be input where the display will blink when the filter is dirty, alerting the
user that a maintenance action needs to occur.
Programming the Series DM-1200 is easy using the menu key to access 4 simplified
menus which provide access to: Security level; engineering units; K-factor for use with
various Pitot tubes and flow sensors, circular or rectangular duct size for volumetric
flow operation; filter set point; view peak and valley process readings; digital damping
for smoothing erratic process applications; display update to conserve battery life; zero
and span field calibration.
The Series DM-1200 DigiMag Digital Differential Pressure and Air Flow Gage
®
possesses a full-scale accuracy of 1% on ranges down to 2 in w.c. and 2% accuracy
down to the very low ranges of 1 in to 0.25 in w.c. DigiMag
Gages offer power versatility by working with 9 to 24 VDC line power or simply 9V
battery power. If using line power and connecting the 9V battery, the battery will act as
a back-up if line power is lost or interrupted.
DWYER INSTRUMENTS, INC.
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Digital Differential Pressure and Air Flow Gage
®
SPECIFICATIONS
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
®
Housing Materials: Glass filled plastic.
Accuracy: ±1% F.S. including linearity, hysteresis and repeatability; ±2% F.S. for
ranges 1 in w.c. and below.
Temperature Limits: 0 to 140°F (-18 to 60°C).
Compensated Temperature Limits: 32 to 122°F (0 to 50°C).
Long Term Stability: ±1% F.S. per year.
Thermal Effect: ±0.05% F.S./°F typ.; ±0.10% F.S./°F for ranges 1 in w.c. and below.
Display: 4-digit LCD (Digits: 0.60˝ H x 0.33˝ W).
Display Update: Selectable for 1 second to 10 minutes or update only from button
push.
Pressure Limits: 5 in w.c. and lower = 2 psi (13.7 kPa) 10 in w.c. and higher = 11
psi (75 kPa).
Power Requirements: 9V battery or external power supply 9-24 VDC. Battery
included but not connected.
Digital Differential Pressure
®
Type of Battery: 9V alkaline battery (Duracell
Battery Service Life: Battery life depending on the Display Update setting: 150
hours (typical) if Display Update = 1 second; 9 months (typical) if Display Update =
10 minutes; 1.5 years (typical) if Display Update is disabled. Battery may last up to
four times longer when using lithium-based battery ULTRALIFE U9VL-J.
Current Consumption: 5 mA maximum.
Electrical Connections: Removable terminal block for 16 to 26 AWG.
Electrical Entry: Cable gland for 0.114 to 0.250˝ (2.9 to 6.4 mm) diameter cable.
Process Connections: 1/8˝ (3 mm) ID tubing.
Enclosure Rating: NEMA 4X (IP66).
Weight: 1.18 lb (535 g).
Size: 5˝ (127 mm) O.D. front face.
Agency Approvals: CE, EN 61326-1 [Immunity Test Requirement for Industrial En-
vironments] with the following SPEC: IEC61000-3-2, IEC61000-3-3, IEC61000-4-2,
IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, and IEC61000-4-11.
Ø5.00
Duracell is a registered trademark of The Gillette Company
®
Phone: 219/879-8000 www.dwyer-inst.com
Fax: 219/872-9057 e-mail: info@dwyermail.com
Bulletin P-DM-1200
2.33
PC 1604 or equivalent).
®