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Technical performance
Use object: liquid, gas or steam
Measurement range: see the type selection specification table
Output signal: 4 ~ dc. 20mA output, superimposed HART protocol digital signal (two wire system)
Power source: external power supply dc. 12V, power supply range from 24V to 45V
Load characteristic:
Installation of hazardous sites: dsIICT5;
This type of iaIICT5; (see proof instructions)
When the minimum range is the minimum, the maximum positive transfer zero is 39/40 times the upper limit, the maximum negative transfer zero can be the lower limit of the range. (no matter how the output form, the positive and negative transfer, its range, the lower limit shall not exceed the limits of the range
Temperature range: electronic circuit board work in -40 ~ 85;
Work in sensitive element at -40 ~ 104;
Storage temperature -40 ~ 85;
-20 ~ 65 (normal operation) with digital display
-40 ~ 85 no damage);
Relative humidity: 0 ~ 95%
Overpressure limit: HT3151DP type, HT3151AP and HT3151GP range 3 to 8 and 0 (absolute pressure) to 13.78MPa pressure transmitter in the damage; HT3151GP range 9 pressure is not more than 31.29MPa; HT3151GP range 0 pressure of not more than 51.4MPa normal working pressure in the 3.43kPa (absolute pressure) to the amount of Cheng Shangxian. For 315LT to conform to its pressure rating.
Volume change: less than 0.16cm3
The time constant is adjustable between 0.2 and 32.0s.
Start time: 3S, no preheating.
Two, performance index
(in the absence of migration, 316 stainless steel diaphragm and other standard test conditions. )
Range ratio: 40:1 (HT3151)
Precision: HT3151 intelligent: (range 3, 4, 5,) in the standard environment
Accuracy is: 0.1%, 0.2%
(HT1151 type: 6, 7, 8, 9, 0)
Accuracy is: 0.15%, 0.25%
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