Tel-Tru P621 Specifications

TEL-TRU MANUFACTURING COMPANY

MODEL P621

PRESSURE TRANSMITTER

Industrial Silicon Glass Fused Sensor Series

Stepped design of the
pressure chamber
minimizes any
effect on the
sensor caused by
installation
stresses

KEY BENEFITS

●

Designed and manufactured to

meet 3-A® Standard Number

74-xx

●

Process connections from

1.5" through 4" flush diaphragms,

Tri-Clamp® or Cherry-Burrell

●

All 316L stainless steel welded

construction for long service life in

demanding applications

● 

Integrated design without threads or

crevices to trap and grow bacteria

●

Compatible with CIP and SIP

maintenance procedures

●

Unique glass fused strain gauge

sensor provides exceptional

calibration stability

● 

Re-rangeable in the field

●

Food grade actuating fill fluids,

FDA Compliant

glass fused strain gauge

SANITARY

®

Single piece diaphragm

and high output silicon

maximize cycle life and

protection from

pressure spikes

APPLICATIONS:

● Dairy

● Food and Beverage

● Pharmaceutical

●

Cosmetic

● Biotech

RANGES:

Many ranges up to 0-1,000psi; also metric
standard Bar and Kg/cm2 ranges. Custom
ranges readily accomodated.

CONNECTIONS:

Many pressure and electrical connections
available. Custom connections can be
accomodated.

OPTIONS:

●

Certificate of Conformance

●

Certificate of Calibration traceable to
NIST, with five check points

● Electro-polished sanitary contact
surfaces

●

Tamper-proof unit without customer
accessible zero and span adjustment

●

PTD-2 local plug-in loop powered
indicator for use with the DIN 43650
A electrical connection and 4-20mA
output electronics

WARRANTY:

Three-year warranty, see website for
details: www.teltru.com/t-P600.aspx

Robust, single
piece, 316L
sensor
construction
without
O-rings or seals
provides
leak-proof reliability

SENSOR

www.teltru.com

MADE IN USA

Tri-Clamp® is a registered trademark of
Ladish Company
Cherry-Burrell® is a registered trademark of
United Dominion Industries, Inc.

®

is a registered trademark of 3-A Sanitary

3-A
Standards, Inc.

MODEL P621 SANITARY PRESSURE TRANSMITTER -

1.33"

1.44"

A Diam.

C Diam.

D Diam.

F

E

.75" Diam.

Additional specs at

www.teltru.com/t-P600.aspx

FUNCTIONAL SPECIFICATIONS

Proof Pressure:*

Up to 2 times URL

Burst Pressure:*

Up to 5 times URL

Strength and Safety:

Pressure chamber structure tested to 40,000psi

Zero Adjustability:

Up to +/- 30% of calibrated span (output
dependent), externally accessible

PERFORMANCE SPECIFICATIONS

Static Accuracy (combined effects of linearity,
hysteresis, repeatability):

+/-0.50% or +/-0.25% of calibrated span
+/-0.15% of calibrated span

Linearity:***
+/-0.15% of calibrated span, BFSL
+/-0.05% of calibrated span, BFSL

Hysteresis:

Better than 0.05% of calibrated span

Repeatability:

Better than 0.05% of calibrated span

Span Adjustability:

Up to 2.5 to 1 turndown of URL, externally accessible

Output:

4-20mA, 2-wire

Output Impedance:

>10K Ohms

Current Consumption:

20mA

Output Load:

0-1000 Ohms @ 10-30Vdc

Output Noise:

Negligible

Response Time:

Less than 5ms

Zero Offset:

Within calibrated accuracy (+/-1% of URL for
sealed housing option)

Span Tolerance:

Within calibrated accuracy (+/-2% of URL for
sealed housing option)

Stability:

Better than +/-0.25% of URL for 1 year,
non-accumulating

Durability:

Greater than 1,000,000 full scale cycles

Power Supply Requirements:

10-30Vdc

Temperature Limits:

Process range: -40/250°F (-40/121°C)
Compensated range: 32/130°F (0/55°C)
Operating range: -40/185°F (-40/85°C)
Storage range: -40/212°F (-40/100°C)

* URL = Upper Range Limit (see range code list on
website, www.teltru.com/t-P600.aspx)

Thermal Effect on Zero:**

Less than +/-0.047% URL/°F (+/-0.085% URL/°C)

Thermal Effect on Span:**

Less than +/-0.036% of calibrated span/°F
(+/-0.065% of calibrated span/°C)

Shock:

Designed to withstand 10Gs, 11ms, 1/2 sine
(50Gs with optional silicone gel potting)

Vibration:

Designed to withstand 10Gs peak, 20-2400Hz
(50Gs with optional silicone gel potting)

*** Best-Fit-Straight-Line
** Over Compensated Range

PHYSICAL SPECIFICATIONS

Wetted Materials:

Single piece 316L Stainless Steel diaphragm
structure, with welded on 316L SS sanitary conn.

Housing Material:

316L Stainless Steel

Environmental Rating:

Integral PVC cable and 1/2" NPT conduit con-

nections are IP65/IP67

Optional integral polyurethane cable is IP69K

DIN 43650 A and C connections are IP65

M12 connection is IP65/IP67

.875" Hex

1.50" Diam.

2.17"

WIRING COLORS AND PINOUTS

Function

+ Supply

+ Output

Integral Cable or
1/2"NPT w/Cable

Red 1 1

Black 2 2

43650 A

DIN

Tel-Tru Manufacturing Company

408 St. Paul Street, Rochester, New York 14605 USA

Phone: [phone] • 800.232.5335 • Fax: [phone] • E-mail: [e-mail] • Web: www.teltru.com

ELECTRICAL
CONNECTIONS

Numerous standard
connections available

1.44"

1.33"

Ex. Mini-DIN 43650 C

DIN

43650 C

M12

1

3

PROCESS CONNECTIONS

A Diam.

A Diam.

.75" Diam.

B Diam.

Code

27 1.5 1.50 1.97 --- ---

®

28 2.0 1.5 2.52 --- ---

29 2.5 2.52 3.05 --- ---

Tri-Clamp

30 3.0 2.31 3.58 --- ---

69 4.0 2.31 4.68 --- ---

®

67 1.5

31 2.0 2.64 1.18 2.24 1.44 2.38

Cherry

Burrell

68 3.0 3.87 1.30 3.30 1.59 2.53

Ex. Tri-Clamp
Connection

F

E

SIZEinA

DIAMBDIAMCDIAMDDIAM

2.00 1.18 1.74 1.38 2.32

1.42

D Diam.

.75" Diam.

C Diam.

B Diam.

Numerous standard

connections available

Ex. Cherry­Burrell
Connection

F

E

E F

1.38 3.32

PT62110_R5

© 2015