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2" Water Meter with Pulse Output, Couplings (NPT Thread), Measured in Gallons, Multi-Jet. Model: DAE MJn-200 Mount: Horizontal mount with dial facing upwards. For installing vertically with water flowing upwards, please refer to V-200P. You can also refer to DAE PD-200 (www.amazon.com/dp/B08D918WZP), which can be able to be installed in any position, vertically or horizontally, dial facing upwards or downwards or horizontally, water flowing downwards or upwards. Unit: Totalizer Measuring in Gallon, Accuracy: +/-1.5% within normal flow rate range as per AWWA Standard Pulse Output: 1 gallon/pulse, a dry contact (i.e. no voltage) reed switch with 2 wires, 1.5m. The switch may be damaged if input electricity is more than 0.01A, 24V. We shall not be responsible with the result if connecting to third party device which is not certified by DAE. Meter body: Bronze Length without couplings: 11.8 inches, Length with couplings: 17.3 inches Item dimension: 11.8" length, 5" wide, 6.7" height. Weight: 14.4 lbs. Couplings Included Max.Reading:99,999,999.9 gallons, Min.Reading:0.05 gallons, The last digit has a multiplier of 1000 gallons. For example, if you see 001234 on the digits, it is 1234000 gallons. The 1st dial under the digits has a multiplier of 100 gallons. The 3rd dial under the digits is in gallon. Reading on 4th picture of the listing is 6.1 gallons. The max. working pressure is 232 psi, exceeding the requirement from AWWA standard 150 psi. Max temperature: 122˚F (50˚C) Pressure drop: 0.1 psi @ 20 GPM, 1.1 psi @ 40 GPM, 2.4 psi @ 60 GPM Conforms to AWWA C708, for clean water only. Safe Maximum Flow Rate: 160 GPM, Recommended Maximum Continuous Flow Rate: 80 GPM, Minimum Test Flow Rate: 2 GPM Normal Test Flow Limits: 8-160 GPM