Honeywell P7650A Series Installation Instructions Manual Download Page 2

P7650A/B/U

31-00138—02

2

DIMENSIONS  

Fig. 1. 

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)

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 k

Ω

.

**** For measured values between 200 and 7000 FPM (1 and 

35 MS).

 

1-19/32

(42)

3-1/2 (88)

4-13/32

(112)

7-13/32 (188)

19/64

(7)

3-3/32

(78)

 

M37264

Summary of Contents for P7650A Series

Page 1: ...ller is responsible for conformance to all applicable codes If this product is used in a manner not specified by the manufacturer the protection provided by the product may be impaired No responsibility is assumed by the manufacturer for any consequences arising out of the use of this material PRODUCT IDENTIFICATION New Part Number Mounting Selectable w c Pressure Range Uni or Bi Directional Veloc...

Page 2: ...asured 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 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 Mountin...

Page 3: ...g configuration a Connect the right side tube to the rear brass barb marked as on the underside of the device housing b Connect the left side tube to the probe in the back of the device housing Panel mount tubing configuration a Connect the right side tube to the rear brass barb marked as on the underside of the device housing b Connect the left side tube to the front brass barb marked as on the u...

Page 4: ...witch 2 Mode ON Velocity OFF Pressure DIP Switch 3 Direction ON Unidirectional OFF Bidirectional DIP Switch 4 Response ON Slow OFF Fast DIP Switch 5 Output ON 4 20 mA OFF Voltage DIP Switch 6 Volt Scale ON 0 5 Vdc OFF 0 10 Vdc DIP Switch 7 Unused DIP Switch 8 Unused 1 2 INCH NPT FEMALE THREADED COUPLER M37460 Scale Mode Direction Response ON Pascal MPS Velocity Uni Slow OFF In WC FPM Pressure Bi F...

Page 5: ...st accuracy after an initial warm up period During the first few minutes of operation readings at zero pressure and the lowest pressure ranges appear erroneous Following this initial warm up period the P7650A B U device maintains its specified accuracy and stability The LCD momentarily indicates range SET when a selection is made Pressure is normally indicated on the display Units are in inches wa...

Page 6: ...rference that may cause undesired operation IC REGULATIONS RSS GEN This device complies with Industry Canada s license exempt RSSs Operation is subject to the following two conditions 1 This device may not cause interference and 2 This device must accept any interference including interference that may cause undesired operation of the device Le présent appareil est conforme aux CNR d Industrie Can...

Page 7: ...P7650A B U 7 31 00138 02 ...

Page 8: ...05 18 Printed in United States By using this Honeywell literature you agree that Honeywell will have no liability for any damages arising out of your use or modification to the literature You will defend and indemnify Honeywell its affiliates and subsidiaries from and against any liability cost or damages including attorneys fees arising out of or resulting from any modification to the literature ...

Reviews: