T858 T859溫度變送器Temperature Transmitter

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T858 T859溫度變送器Temperature Transmitter

詳細(xì)介紹

Micro-processor Based Digital Temperature
Switch

Advantages General Description
􄤎Micro-processor based digital
temperature switch/transmitter for
industrial applications
􄤎Adjustable switch points allow the user
to obtain various pressure settings for
each of the 2 switches and span
􄤎Measuring ranges from -50 to 800℃
􄤎RTD or Thermocouple input
􄤎Excellent accuracy and long term
stability
􄤎4 digit LED local display
􄤎2 switching points with analog output
􄤎Measuring range turn down maximum
10 : 1

Applications
The T85X micro-processor based digital
temperature switch with analog output
signal can be used for a wide range of
applications in process control, automatic
machinery and hydraulic or pneumatic
system design.
􄤎Chemical, petrochemical, food and
drug process controls
􄤎Hydraulic and pneumatic equipments
􄤎Machine tools and automatic
machinery
􄤎LPG and LNG transmission control and
storage tank monitoring
􄤎Engine monitoring and control

T85X series micro-processor based digital temperature
switch addresses all the fundamental issues of industrial
temperature sensing that require highly accurate process
control and monitoring. The 85X, with its built-in RTD or
T/C, a 4-digit digital display, 2 switching points, 4~20mA
analog output signal and a front function keys, offers the
user all the advantages of a modern electronic
temperature measurement. External adjustments allow
the user to set the measuring ranges, switch points,
dead-bａnd and zero or span calibration, etc. It has a
water resistant, aluminum die-cast housing for complete
protection from harsh environments and its 4~20mA
current output is ideal for remote monitoring of both
primary and secondary process variables. It has been
designed as an advanced device for measuring
temperature in industrial applications.

Measuring ranges PT100 ohm, JIS-C-1604-1981 Thermocouple
PT100 ohm, IEC, DIN, JIS-C-1604-1981 K : 0~800°C
-50~500°C J : 0~500°C
E : 0~250°C
T : 0~250°C
Output signal 2 switching points
4~20mA analog output / Optional 1~5V DC available on request
2 switching points with 4~20mA analog output
Local display LED 4 digit(red or green)
Electrical connection type Terminal head
Excitation voltage 24V DC 12~36V DC
Load resistance max@24V 500Ω at 24V
Influence of excitation 0.01% FSO/V
Power ripple ±500mV P-P
Reverse polarity Protected
Shock resistance No change in performance after 10Gs for 11ms
Vibration 0.1G (1 m/s/s) maximum
Response time(10~90%) ±2 milliseconds
Switching current Maximum 1.2A
Adjustment range Zero and span can be fully adjustable using front keys
Accuracy 􄥰±0.5% FSO/ ±1 digit
Non-linearity ±0.200% FSO
Repeatability ±0.1% FSO/±1 digit
Long term stability Better than 0.05% FSO per month
Storage temperature range 0~70°C
Ambient temperature limits -20~70°C
Ambient humidity limits 5 to 99% R.H
Thermal sensitivity shift 􄥰±0.5% FSO in reference to 35°C typical
Thermal zero shift 􄥰±0.5% FSO in reference to 35°C typical
Thermal hysteresis 􄥰±0.1% FSO in reference to 35°C typical
Process connection PT1/2″male thread(standard)
Flange & other connections available on request
Electrical connection PF3/8″female(T858), PT1/2″female(T859)
Process media Gases and liquids compatible with stainless steel 316
Materials wetted by process Probe : Stainless steel 316
Housing : Aluminum die-casting terminal head
Enclosure rating IP65
Explosion protection Ex d IIC T6
Influence of mounting position Not critical
Options Protection thermo-well
Weather-proofed IP67

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