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P7650A/B/U
DIMENSIONS
SPECIFICATIONS
Media Compatibility:
Dry air or inert gas
Input Power:
Three-wire Volt mode: 24 Vac or 12-30 Vdc*
Two-wire mA mode: 12-30 Vdc*
Output Power Field-selectable:
2-wire, loop-powered 4-20 mA**
(DC only, clipped and capped), 24 Vac/dc or 3-wire 0-
5V/0-10V***
Response Time:
Standard: T95 in 20 sec, Fast: T95 in 2 sec, DIP switch
selectable
Pressure Mode:
Selectable unidirectional or bidirectional (example: uni-
directional 0 to 1 inch w.c., or bi-directional -1 to 1 inch
w.c.), DIP switch selectable
Velocity Mode:
Velocity is set up in Feet/Minute or Meters/second
Display (Option):
Pressure mode: Signed 3-1/2 digit LCD, indicates
pressure, overrange indicator
Velocity mode: Signed 4-1/2 digit LCD, indicates velocity,
overrange indicator
Proof Pressure:
3 psid (20.6 kPa)
Burst Pressure:
5 psid (34.5 kPa)
Pressure Mode Accuracy:
±1% F.S. (combined linearity and hysteresis)
Velocity Mode Accuracy:
±90 FPM (±0.45 MS) plus 5% of measured value****
Temperature Effect:
1" (250 Pa) models: 0.05%/°C; 10" (2.5 kPa)
models: 0.01%/°C
—
(Relative to 25 °C) 0 to 50 °C (32 to 122 °F)
31-00138—02
1-19/32
(42)
3-1/2 (88)
3-3/32
(78)
4-13/32
(112)
7-13/32 (188)
Fig. 1.
Zero Drift (1-year):
1" (250 Pa) models: 2.0% max.; 10" (2.5 kPa)
models: 0.5% max.
Zero Adjust:
Pushbutton auto-zero and digital input (2-pos terminal
block)
Operating Environment:
0 to 60 °C (32 to 140 °F)
Altitude of Operation:
0 to 3000 m
Pollution Degree:
2
Humidity Range:
100% RH, non-condensing
Mounting Location:
For indoor use only.
Fittings:
Brass barb; 0.24" (6.1 mm) o.d.
Limited Warranty:
5 years
Environmental Rating:
IP65, NEMA 4
Flammability Rating:
Plastic enclosure is UL 94 5VA fire retardant ABS
Accessories:
32003169-001 4 in. Duct Pressure Pick-up Probe.
P7650L6, P7650L8, P7650L10, P7650L12, or P7650L14,
Velocity Pick-up Probes. (Last number is probe length,
i.e., P7650L6 has 6 inch probe, etc)
EMC Conformance: EN 61000-6-3:2007 and A1:2011 Class B, EN
61000-6-1:2007
* Class 2 power source.
** Minimum input voltage for 4 to 20 mA operation: 250 Ω loop =
12 Vdc; 500 Ω loop = 19 Vdc.
*** Minimum load resistance for Volt operation: 5 kΩ.
**** For measured values between 200 and 7000 FPM (1 and
35 MS).
2
19/64
(7)
M37264
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