T Series Transmitter

T Series: Differential Pressure Transmitters

The Series T family of differential pressure transmitters measure low pressures and feature low power consumption and a variety of analog signal outputs. A wide selection of standard pressure ranges and electrical ratings is available. These transmitters feature: no moving parts to wear out, reliable long term stability, and are virtually position insensitive.

The Series T transmitters are an excellent choice for many HVAC, process and automation monitoring requirements. These transmitters monitor: filter differential pressures, fan static pressures, clean room pressures, variable air volume systems and velocity pressures. They have been used for bubbler level systems, leak detection and in medical and analytical instruments.

The transmitters are housed in a flame retardant, glass-reinforced polyphenylene oxide (NORYL(tm)) case. Electrical connections are made by means of a 3/8" terminal strip with #6 screws.

The Series T includes four models: Model T10, Model T20, Model T30 and Model T40. These four models incorporate a variety of power and signal options.

The span or zero adjustment is performed with a 20-turn potentiometer for fine resolution.

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  • ±1% Accuracy, Full-Span
  • Long Term Stability
  • 0-5V, 0-10V and 4-20 mA Outputs
  • DC & 24, 120, 240 VAC Power Inputs
  • Reverse Polarity Protected
  • NIST Traceable Calibration
  • Monitoring Filter Differential Pressure
  • Fan Static Pressures
  • Clean Room Pressurization
  • Variable Air Volume Systems
  • Bubbler Level Systems


Measures differential, gage pressure, or vacuum
Suitable for air or inert gases
Maximum safe momentary overpressure: see reference table A


Accuracy ± 1% of span (including non-linearity and hysteresis)
Calibration (Traceable to NIST)


Operating Temperature Range 32°F to 115°F (0°C to 45°C)
Storage Temperature -20°F to 160°F (-30°C to 70°C)
Effect of Temperature on zero: ±0.05%/°C
on span: ±0.02%/°C
Operating Humidity Range 10% to 90% RH non-condensing
Shock Resistance 10 G (11 ms)
Vibration Resistance 5 G to 50 Hz

Electrical Connections

Connections External 3/8 in terminal strip with #6 screws


Pressure Port Connections 3/16 in diameter suitable for:
1/8 in ID Tygon™ or polyurethane tubing 0.11 in to 0.15 in (3 mm to 4 mm)
1/4 in OD polyethylene tubing (6 mm) Integral filters at both ports
Dimensions (W x L x H) 3.00 in x 5.15 in x 1.40 in (76 mm x 131 mm x 36 mm)
Material Flame retardant, glass-reinforced polyphenylene oxide (NORYL) case
Weight 0.42 lbs (190 g) maximum

Standard Pressure Ranges

EnglishMetric Units
RangeSafe MomentaryRangeSafe MomentaryRangeSafe Momentary
01E 0 to 0.100 in H2O
0 to 25.0Pa

0 to 2.50mm H2O

02E 0 to 0.200 in H2O
5 in H2O 02P
0 to 50.0Pa
1.25 kPa
0 to 5.00mm H2O
03E 0 to 0.300 in H2O
0 to 75.0Pa

0 to 7.50mm H2O

04E 0 to 0.500 in H2O
0 to 100.0Pa

0 to 10.00mm H2O

05E 0 to 1.00 in H2O

0 to 250Pa

0 to 25.0mm H2O

06E 0 to 2.00 in H2O
20 in H2O 06P
0 to 500Pa
5 kPa
0 to 50.0mm H2O
07E 0 to 3.00 in H2O
0 to 750Pa

0 to 75.0mm H2O

08E 0 to 5.00 in H2O
0 to 1.00kPa

0 to 100mm H2O

09E 0 to 10.0 in H2O
5 psid 09P
0 to 2.50kPa

0 to 250mm H2O


Descriptions English
Modus Series T Differential Pressure Transmitters Modus Series T Differential Pressure Transmitters