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INSTALLATION INSTRUCTIONS

31-00138-02

50

P7650A/B/U

DIFFERENTIAL PRESSURE TRANSDUCER, DRY MEDIA

APPLICATION

The P7650A/B/U Differential Pressure Sensor measures 
static and differential air pressure in duct and panel 
applications. It can also measure air velocity using 
pressure-velocity pick up tubes P7650L6, P7650L8, 
P7650L10, P7650L12, or P7650L14. P7650A/B/U can be 
ordered in duct or panel versions and in 0 to 1 in. (0 to 
250 Pa) or 0 to 10 in. (0 to 2500 Pa) pressure ranges. 

Universal models can be configured for duct or panel and 
for 0 to 1 in. (0 to 250 Pa) or 0 to 10 in. (0 to 2500 Pa) 
pressure ranges. All variants are available with and 
without LCD display. The P7650A/B/U has an 
IP65/NEMA 4 environmental rating and a 5-year limited 
warranty.

IMPORTANT

• This product is not intended for life or safety 

applications.

• Do not install this product in hazardous or classified 

locations.

• Read and understand the instructions before installing 

this product.

• Turn off all power supplying equipment before working 

on it.

• The installer 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

Velocity Mode

Display

Output

Supply 

Voltage

P7650A1000

Panel

+/-0-.1", 0-.25", 0-.5", 0-1" w.c. or 
+/-25, 50, 100, 250 Pa Selectable

500/1,000/2,000/
3,000 FPM
2.5/5/10/15MS

Yes

0-10Vdc, 0-5Vdc, and 
4-20mA Selectable

12-30Vdc or 
24Vac

P7650A1018

No

P7650A1026

+/-0-1", 0-2", 0-5", 0-10" or 
+/-0.250, 0.500, 1.00, 2.50 kPa 
Selectable

3,000/4,000/5,000/
6,000 FPM
15/20/25/30MS

Yes

P7650A1034

No

P7650B1008

Duct

+/-0-.1", 0-.25", 0-.5", 0-1" w.c. or 
+/-25, 50, 100, 250 Pa Selectable

500/1,000/2,000/
3,000 FPM
2.5/5/10/15MS

Yes

P7650B1016

No

P7650B1024

+/-0-1", 0-2", 0-5", 0-10" or 
+/-0.250, 0.500, 1.00, 2.50 kPa 
Selectable

3,000/4,000/5,000/
6,000 FPM
15/20/25/30MS

Yes

P7650B1032

No

P7650U1040

Universal

+/-0-.1", 0-.25", 0-.5", 0-1", 0-2", 
0-5", 0-10" in. w.c. or
+/-0.25, 0.5, 1.0, 2.5 kPa; or 
+/-25, 50, 100, 250 Pa Selectable

500/1,000/2,000/
3,000/4,000/5,000/
6,000/7,000 FPM
2.5/5/10/15/20/
25/30/35 MS

No

P7650U1052

Yes

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 ...

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