Dwyer

 Slack Tube Manometer

 Operating  Ranges  & MODEL

Model

Range, In.

Hg Req'd (oz.)

Model

Range(cm)

Hg Req'd (oz.)

1211-8

4-0-4

6

1211-50

25-0-25

11

1211-12

6-0-6

7

1211-100

50-0-50

18-1/2

1211-16

8-0-8

9

1211-200

100-0-100

35

1211-24

12-0-12

12-1/2

 

 

 

1211-30

15-0-15

15

 

 

 

1211-36

18-0-18

17-1/2

 

 

 

1211-48

24-0-24

22-1/2

 

 

 

1211-60

30-0-30

27

 

 

 

1211-72

36-0-36

32

 

 

 

1211-120

60-0-60

57

 

 

 

Slack Tube manometer

Slack-Tube Manometer rolled up for easy handling and storage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Handy Roll-Up Manometer With Laboratory Accuracy

Dwyer Slack-Tube Manometers are as accurate as the finest laboratory "U" gages - yet they are made to roll up compactly for easy carrying and to withstand rough usage.

Simply unroll the Dwyer Slack-Tube Manometer and set up to read static pressure, vacuum, or differential pressure.
Magnetic clips hold it firmly to any steel surface or hang it on a nail.
Turn connectors one revolution to open. When the pressure is imposed, add the number of inches one column travels up to the number of inches the other column travels down.
When reading is completed turn connectors to seal columns, roll up manometer into compact coil and tuck it away in its circular metal case or a tool box.
No fluid lost. No loose caps or inserts to lose.

Dwyer Slack-Tube Manometers cover a wide range of pressure readings - from 4-0-4 inches up to 60-0-60 inches.
Use them in determining velocity and static pressures, for leakage, fan and blower tests, calibrating control devices, checking gas pressure and many other applications.
All models have flexible vinyl-plastic columns and flexible spring steel scale calibrated in inches of water using water ; and inches of mercury using mercury.
Scale is center-mounted between columns to eliminate parallax error and has a full 2" sliding zero adjustment.

All Dwyer Slack-Tube Manometers feature exclusive molded nylon tubing connector assemblies with rapid shutoff design in an acrylic plastic top.  
One turn counter clockwise and the instrument is ready for use.
Another turn seals the tubes completely.
Molded all-nylon construction makes this assembly corrosion-proof, leakproof and practically unbreakable.
Tubing connectors extend horizontally allowing 360 °  freedom. Tubes won't bend or pinch off.

All models have over pressure safety traps in the top of both columns to prevent loss of fluid due to over range pressures or surges in pressure.

Slack-Tube Manometers are suitable for intermittent total pressure to 50 psi and vacuum not exceeding 20" Hg.
Avoid temperatures above 130กษ & continuous high total pressure.
Not for use with red gage oil ; use only water or mercury.

 


Standard Accessories are metal carrying case, magnetic mounting clips, two rapid shutoff type molded nylon rubber tubing connectors and one bottle of fluorescent green color concentrate with wetting agent. Mercury is not included but will be furnished at added cost when specified.

 No. 1212 Gas Pressure Kit For Servicing Gas Appliances




-A handy, complete kit containing a 16" Slack-Tube  Manometer, necessary tubing and connection fittings  for checking gas pressures in virtually all gas  appliances such as water heaters, furnaces, stoves  and dryers.
-Different range manometers may be specified at  corresponding prices.
-Compared to the cost of purchasing items separately   the assembly of component parts into kit form   represents substantial savings.


What the kit consists of:

   
- #1211-16 Slack-Tube Manometer, reads pressure to 16" water*
    - Carrying case, plastic, 8 1/2" x 7" x 3 1/8"
    - 3/4oz. Bottle Fluorescent green color concentrate with wetting agent
    - 1/8" pipe thread rubber tubing adapters
    - 1/8" to pipe thread bushing
    - 3 ft. length 3/16" rubber tubing
    - Rubber tubing adapter to fit standard 7/16" diameter spud.

   
* Other ranges available

 

        

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