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中山市泰倫特電子科技有限公司
中山市泰倫特電子科技有限公司
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TP-27S智能差壓變送器DIFFERENTIALPRESSURETRANSMITTERTP-27SRANGE:±10mmH2O~±550
TP-27S智能差壓變送器DIFFERENTIAL PRESSURE TRANSMITTER
| TP-27S | ||||
| : | ±10mmH2O~±550,000 mmH2O | ||
| : | LOCAL LCD WITH 4-20mA | ||
| : | Ex (ja) IIC T6 | ||
| : | ±0.1% | ||
Physical Characteristics.
Power supply : 12.35 - 30 Vdc with no load
Supply voltage to permissible load relation:
0/250 Ohm for 17.35 Vdc
0/582.5 Ohm for 24 Vdc
0/882.5 Ohm for 30 Vdc
Output signal : 4 -20mA, 2 wires, with superimposed digital
communication (Vell 202-HART Protocol)
Settling time : 150ms (at 27℃ )
Max. static pressure: 50bar ( 2 bar AT 0-25 mmH2O)
Overpressure limits:
50bar on either side ( 2 bar AT 0-25 mmH2O)
Process chambers volume: 10 ㎤ approx.
Displacement: 0.3 ㎤ at span max.
ENVIRONMENT AND CONDITIONS
Temperature:
Process fluid : -20 ~ + 100℃
Housing : -20 ~ + 80℃
Handling and storage : -20 ~ + 90℃
Relative Humidity : 0 ~ 99% R.H.
LCD display reading : -10 ~ + 65℃
Performance
Unless otherwise stated, performance specifications are
referred at atmospheric pressure, nominal span, silicone oil
filling and are given as a percent of span.
Accuracy rating: it is assured within the following limits.
Non linearity : resettable with 0.1% accuracy.
Repeatability : = 0.10%.
Hysteresis : = 0.10%.
Dead bａnd : negligible.
OPERATING INFLUENCES
Thermal drift: It is referred to -10 ~ + 65℃ range.
Zero: ± 0.1%/10。K. Span: ± 0.1%/10。K at nominal range.
Static pressure effect
Zero: ± 0.5% / 10 bar. Span: ± 0.5% / 10 bar
Over range effect
Zero: on either side ± 1% at 50bar.
Power supply effect :
Negligible between 12.35 and 30 V dc.
PHYSICAL SPECIFICATIONS
Process wetted parts :
Diaphragm in SUS 316 L / hastelloy C - process chambers
ａnd adapters forged steel UNI Fe50 / SUS 316 - drain and
vent plugs SUS 316 - gaskets PTFE + Viton - bolts carbon
steel / SUS 304.
Housing : die cast aluminium alloy AL UNI 4514 finished with
epoxy resin (RAL 5014).
Filling fluid : silicon oil.
Nameplate : stainless steel, fixed on housing.
Bracket for 2" pipe mounting: zinc coated carbon steel
Calibration
Standard: at nominal range, direct action, transmitter mode.
Optional: at the conditions specified with the order.
Environmental protection: the transmitter is dust and sand
tight and protected against sea waves effects as defined by
IEC IP 66. Suitable for tropical climate operation as defined
in DIN 50.015.
Process connections: See table 1.
Electrical connections : two cable entries on electronic
housing, 1/2" NPT and cable glａnd PG 13.5 for 7 to 12mm
diameter cable.
Terminal board : 2 terminals for signal wiring up to 1.5 ㎟
(14 AWG). Connection for ground and cable shield.
Mounting position : any position.
Net weight : 5.1 Kg.
EXPLOSION PROTECTION
Classification
Type: intrinsic safety Ex ia IIC, T6, T5, T4
Max Amb. temp.: 40℃ for T6, 55℃ for T5, 80℃ for T4
Condition A
No-load voltage: = 30 V d.c.
Short circuit current: = 120 mA.
Max transferred power: 0,75 W.
Condition B
No-load voltage: = 25,2 V d.c.
Short circuit current: = 152 mA.
Max transferred power: 0,95 W.
Note
Explosion proof feature
(Exd 〔ia〕 IIC T6) with the
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