1/2 [12.70] 1 [25.40] 3/4 DIA [19.05] *17 [431.80] 1/8-27 NPT 1/4 ID x 3/8 OD x 3 FT LONG VINYL TUBING [6.35 ID x 9.53 OD x 914.40] *1213-15 SHOWN. 1213-7 IS 11 INCHES LONG OVERALL GAS PRESSURE MANOMETER The “Tube in a Tube” Direct Reading Manometer The Series 1213 Gas Pressure Manometer provides visual indication of pressure of natural gas up to 15 in w.c. Tap water is used as the sensing media and a magnetic clip provides temporary or permanent mounting. The 1213 is made of a durable plastic for years of trouble-free service, and includes 3´ of vinyl tubing and 1/8˝ nylon male NPT to barb fitting. FEATURES/BENEFITS • Used to monitor any compatible gas up to 15 in w.c. • Durable plastic housing for long term use • Economically priced APPLICATIONS • Combustion supply gas monitoring SPECIFICATIONS Temperature Limit: 140°F (60°C) maximum. Pressure Limits: 15 in w.c. (381 mm). Piping Connections: 1/8˝ male NPT connector provided. Wetted Materials: Vinyl, PVC and nylon. Weight: 5 oz (142 g). Agency Approvals: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II). The Series Mark II Molded Plastic Air Velocity Meters offer the accuracy and durability of our Mark II manometers with direct air velocity readings. They are designed to be used with Dwyer’s Series 160 line of Pitot tubes (not included). FEATURES/BENEFITS • Thick white styrene-acrylonitrile housing is virtually indestructible • Moderate overpressures are accommodated by an overflow tank (Model 25) or float operated overflow traps (Model 40) • Able to be mounted on any vertical surface APPLICATIONS • Measure air velocity in ducts 27 40-AV – Shown with standard swing-out stand and leveling screw installed. MOLDED PLASTIC AIR VELOCITY METERS Low in Cost, Direct Reading Scales Offer 3% Accuracy, For Portable or Stationary Applications 15/64 [5.95] x 13/32 [10.32] MOUNTING SLOT 10-5/8 [269.88] 5-5/16 [134.95] MAX 4-5/8 [117.48] 2-31/32 [75.41] 25/32 [19.84] Ø15/64 [5.95] MOUNTING HOLE 1-1/4 [31.75] 2-1/4 [57.15] MAX 4 [101.60] 1-7/16 [35.53]1-1/4 [31.75] 1-1/8 [28.58] 2-1/4 [57.15] MAX Ø7/32 [5.56] HOLE 5-29/32 [150.02] 4-23/32 [119.86] 3-11/16 [93.66] 5/8 [15.88] 7-13/32 [188.12] 25/32 [19.84] 4-25/32 [121.44] 25/32 [19.84] 7/32 X 13/32 [5.56 X 10.32] MOUNTING SLOT OEM SPECIALS All models of the Dwyer ® Mark II molded plastic air velocity meters can be supplied with your logo or special scale in OEM quantities. Consult factory for details. See also our Digital Manometers and Pitot tubes. SERIES 1213 SERIES MARK II 181 Manometers, Portable TEST & DATA DWYER INSTRUMENTS, INC. | dwyer-inst.com MODEL CHART ModelLength (mm) 1213-157˝ (177.8) MODEL CHART ModelRange Mark II 27 Mark II 28 Mark II 40-250 Pa-AV 0 to 7000 FPM 0 to 10500 FPM 0 to 21 MPS Note: Pitot tube not included with models above. ACCESSORIES ModelDescription A-612Portable stand (for models 27, 28) TestData_2021.indb 1817/15/20 2:13 PMNext >