Dwyer Instruments SERIES HM35 Catalog Page
3-11/16
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SERIES HM35
PRECISION DIGITAL PRESSURE MANOMETER
Up to 0.05% Accuracy, Graphical Display, Data Logging Capability
TEST & DATA
[93.66]
7-7/8
[200.03]
[39.69]
The Series HM35 Precision Digital Pressure Manometer is designed to reliably
measure and log absolute pressure, differential pressure, or gage pressure with
up to 0.05% accuracy. The data logging function can store up to 10,742 readings
and transmit the readings to a PC through an IR serial port. The large display can
graphically display trends in the data as well as peaks and valleys.
FEATURES/BENEFITS
• Able to record up to 10,742 readings,
which can be downloaded to a PC
• Up to 0.05% accuracy for use in critical applications
• Measure absolute, differential, or gage pressure
MODEL CHART - ERROR LIMIT 0.2% FS FOR GAGE,
VACUUM, AND DIFFERENTIAL PRESSURE
Model Range Over Pressure
HM3531DLB300
HM3531DLC300
HM3531DLE300
HM3531DLF300
HM3531DLG300
HM3531DLH300
Note: For higher accuracy models, change the 10th digit from a
3 to a 1 (0.05% FS), 2 (0.1% FS), or 6 (0.1% of reading); higher
accuracies are only available on 0 to 28 in of w.c. range or higher.
Example: HM3531DLC100 (0 to 28 in w.c. with 0.05% accuracy);
consult factory.
0 to 10 in w.c. (0-2.5 kPa)
0 to 28 in w.c. (0-7 kPa)
0 to 80 in w.c. (0-20 kPa)
0 to 120 in w.c. (0-30 kPa)
0 to 200 in w.c. (0-50 kPa)
0 to 14.5 psi (0-100 kPa)
50 in w.c.
140 in w.c.
600 in w.c.
600 in w.c.
58 psi
58 psi
APPLICATIONS
• Calibration facilities
• Laboratories
ACCESSORIES
Model Description
HM28-0
HM35-1
HM35-2
HM35-3
1/8˝ NPT adapter (1 piece)
Communication software key
Infrared RS-232 serial adapter,
required to download stored data
to a PC
External power converter with
U.S. plug adapter, input 100 to
240 VAC, 50/60 Hz
SPECIFICATIONS
Service: Air and compatible gases.
Wetted Materials: 18/8 stainless steel.
Accuracy: (Includes linearity, hysteresis,
and repeatability): Depending on model;
±0.20% FS ±1 digit; ±0.10% FS ±1 digit;
±0.05% FS ±1 digit.
Temperature Limits: 32 to 122°F (0 to
50°C).
Storage Temperature: -4 to 140°F (-20
to 60°C).
Humidity: Maximum 95% RH noncondensing.
Display: Graphical back lit LCD. 128 x
64 points.
OPTIONS
Use order code: Description
NISTCAL-MD1 NIST traceable calibration certicate
Power Requirements: (3) 1.5 V AA
alkaline batteries, installed functional,
user replaceable. Can operate on 6 to 9
VDC external power.
Current Consumption: 25 mA without
back lit display, IR, or buzzer.
Memory: 10,742 readings. Recording
intervals adjustable from 1 s to 24 hrs or
manual.
Case Protection: IP54 (NEMA 3).
Weight: 10.5 oz (300 g).
Process Connections: Hose 4/6 mm or
1/8˝ NPT.
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