TDEPD Series Field-Programmable Pressure Switch/Transducer

The TDEPD Field-Programmable Pressure Switch/Transducer with Integrated LED Display

DESCRIPTION
What makes the patented TDEPD Series stand apart is the unique LED display - which allows for 360° scrolling, or you can lock the display in one location. It also features field-programmable set points and hysteresis.

Because it is built on Transducers Direct’s TD1000 technology, the TDEPD Series incorporates redundant sensing elements,allowing for notification that the sensor needs to be replaced should one of the sensing elements fail (maintenance mode), eliminating operational downtime.

The TDEPD Series pressure switch/transducer comes standard with one digital output and optional analog output available. Unit operates from 10.5 to 28 VDC, and is IP67 certified.

FEATURES
• Maintenance Mode (redundant sensing notification)
• Power supply: 10.5 VDC to 28 VDC
• 4-digit, bi-color display (red or green)
• Display: 360 ° scrolling or lock in location
• Pressure port: ¼-inch NPT, 7/16-20 UNF, G 1/4
• Digital outputs : 250 mA max (PNP) or 200 mA max (NPN), and/or optional analog output: up to 10 VDC or up to 20 mA (field selectable)
• Wide variety of pressure ranges up to 10K psig
• Spike Monitoring Technology™ (SMT)

SPECIFICATIONS

Performance	Performance @ 25°C (77°F)
Accuracy	0.5% of maximum operating pressure
Overange Protection	2x Rated Pressure or optional 4x and 10x
Pressure Range	see ordering chart - up to 10,000 psi (689 bar)
Burst Pressure	5x or 20,000 psi, whichever is less
Pressure Cycles	>100 million
Update Time

Environmental Data
Temperature
Compensated Temperatures	-40 to 85°C (-40 to 185°F)
Operating Temperatures	-40 to 100°C (-40 to 212°F)
Storage	-40 to 125°C (-40 to 257°F)
TEB	1% BFSL (includes:Non-linearity, Hysteresis and Non-repeatability), analog output
Long Term Drift	0.2% FS/year (non-cumulative)
Shock	50g, 11 ms, 1/2 sine
Vibration	10g, peak, 20 to 2400 Hz
EMI/FRI Protection	Yes
Rating	Up to IP-67

Mechanical Configuration
Pressure Connections	1/4” NPT Male, 7/16-20 UNF, G1/4 Male
Wetted Material	17-4PH stainless steel (for other materials consult factory)
Electrical Connection	M12 (5-pin)
Case	(housing) 304 stainless steel and high-impact polycarbonate (display)

Electrical Data
Power Supply	10.5-28VDC
Switch/Analog Output	10.5 VDC to 28 VDC at 250 mA max (PNP) or 200 mA max (NPN) (digital), Field-programmable-- voltage up to 10 VDC or current up to 20mA
Output Impedance
Current Consumption	30 mA @ 24 V / voltage output 40 mA @ 12 V / voltage output 50 mA @ 24 V / current output 60 mA @ 12 V / current output
Output Noise
Reverse Polarity Protection	Yes
Set Points	No set points in vacuum range, 5 psi min set point with 10% of configured pressure min set point with > 100 psi range
Spike Counter	Press button # 1 for 10 seconds to view quantity of pressure spikes and the highest spike seen.
Zero/Tare display	Press button #2 for 10 sec. If the pressure reading on the display is between -14.7 and 128 psi, the display will change to zero (0). If pressure is above 128 psi, display will not change.