JC Intelligent Absolute Pressure Transmitter
Using the object: liquid, gas or vapor
Measuring range: Range 3 0-0.2 ~ 7.0kPa (0-20 ~ 715mmH2O)
Range 4 0-1.0 ~ 37.4kPa (0-96 ~ 3810mmH2O)
Range 5 0-4.7 ~ 186.8kPa (0-477 ~ 19050mmH2O)
Range 6 0-17.3 ~ 690kPa (0-0.18 ~ 7kgf / cm2)
Range 7 0-51.7 ~ 2068kPa (0-0.525 ~ 21kgf / cm2)
Range 8 0-172.3 ~ 6890kPa (0-1.75 ~ 70kgf / cm2)
Range 9 0-517 ~ 20680kPa (0-5.25 ~ 210kgf / cm2)
Range 0 0-1035 ~ 41370kPa (0-10.55 ~ 422kgf / cm2)
Output signal: 4 ~ 20mA output HART® protocol superimposed digital signal (two-wire)
Power: External power supply 24V DC (power supply range 12V ~ 45V).
Load characteristics: maximum permissible load resistance circuit load resistance Rmax = (E-12) /0.02 (Ω)
Hazardous Location Installation: flameproof dllCT5;
Intrinsically safe iallCT5
Migration Characteristics: After the positive and negative migration on its range, the lower limit of the range shall not exceed the limit at the minimum range, maximum positive transfer of 0.975URL; the largest negative transfer of -URL..
Temperature range: medium temperature -40 ~ 104 ℃
Storage Temperature -40 ~ 85 ℃
Machine operating temperature -40 ~ 85 ℃
-20 ~ 70 ℃ (with digital meter);
Relative humidity: 0 to 100%
Overpressure limit: Range of 6.89MPa or less is applied 0 (absolute pressure) ~ 13.8MPa; range is applied to 0 (absolute pressure) ~ 31.2MPa 20.68MPa; the range is 41.37MPa, applying 0 (absolute pressure) ~ 51.45MPa change transmitter without damaging normal operating pressure in 3.45kPa (absolute pressure) to the transmitter upper range, flange can withstand 68.9MPa pressure.
Volume variation: less than 0.16cm3
Damping: The time constant is adjustable between 0.2 ~ 32.0s.
Start Time: 3s, without preheating.
(In the absence of migration, 316 stainless steel isolation diaphragm and other under standard test conditions)
Turndown ratio: 40: 1
Accuracy: Range 345
In the turndown ratio of 1: 1 to 10: 1, in order to adjust the range of ± 0.1%
In the turndown ratio of 10: 1 to 40: 1, is ± 0.05 (1 + 0.1URL / range)% range.
Range is 67890
In the turndown ratio of 1: 1 to 10: 1, in order to adjust the range of ± 0.15%
In the turndown ratio of 10: 1 to 40: 1, is ± 0.075 (1 + 0.1URL / range)% range.
Stability: six months maximum range of error is ± 0.15%
Temperature effects: the range is 45678
Zero error of ± 0.25% of maximum range / 55 ℃
Including the span and zero total error for the maximum range of 0.5% / 55 ℃.
Note: For the temperature range 390 error should be doubled.
Overpressure Impact: After pressure 140kgf / cm2, the maximum error range of ± 0.25%.
Power Impact: less than 0.005% of output range / V
Vibration effects: on any axis, the frequency of 200Hz, the error caused by the maximum range of ± 0.05% / g
Load Impact: As long as the transmitter input voltage is higher than 12V, no-load impact load workspace.
Mounting position Impact: Max produce not more than 0.25 kPa zero errors, but adjustable, and without detriment to range;
Measuring the rotation of the body relative to the flange no effect.
Electromagnetic radiation: in line with IEC801 standards
Structural Materials: diaphragm and drain / vent valve: 316 stainless steel; Hastelloy C; Monel and tantalum;
O 'ring (and medium): fluorine rubber = nitrile rubber, ethylene - propylene
Filling liquid: silicone oil;
Flanges and fittings: 316 stainless steel; Hastelloy C; Monel;
Bolts: galvanized carbon steel; 1Cr18Ni90Cr17Ni4CuNb; 42CrMo;
Electrical housing: Low copper aluminum alloy;
Coating: polyester epoxy.
Lead Pressure Connection: flange 1 / 4-18NPT (taper pipe thread);
Fitting 1 / 2-14NPT (taper pipe thread).
Electrical connection: Use 1 / 2-14NPT conduit with threaded ends and terminals and supporting the test piece.
Weight: 3.5kg (not including options).