防爆安温度计TP-7/TP7-C

阅读：1190发布时间：2016-8-22

防爆安温度计 Petroleum Gauging Thermometer(34m线缆，级探头) 型号:TP-7/TP7-C

库号：M202136

TP7-C
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大尺寸：34.3 x 18.4 x 11.4 cm??
2节AA碱性电池，寿命大约200小时
电池操作温度范围4到130°F，20至54°C
注：如果环境温度很低或高电池不可能提供充足的电力。
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表壳材质：聚丙烯共混材料，不锈钢和铝?
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内置铂电阻的不锈钢传感器外有防静电电缆套管，芳纶纤维加强了抗切割和耐碎性。?
电缆采用碳氟化合物，如FEP、PFA或相似材料作为绝缘材料?
温度：温度范围：-40 to +204°C
分辨率：0.1℃，
误差：±0.1°C from 0 to 100°C
±0.3°C from 100 to 200°C

长期度漂移不过 0.05%/年?
符合API要求
安等级：II 2 (1) G Ex ib[ia] IIB T4

The TP7-C employs the proven RTD design that has been used in the TP 7 and TP 8 for many years. A sealed industrial quality overlay provides a user interface that is easy to use with gloves. A polypropylene blend enclosure protects the circuit board and large LCD from penetration by impact, water and reactive liquids.

The new TP 7-C circuit board is an evolutionary step up from our highly accurate, reliable and successful TL1 laboratory thermometer. The Power Button’s primary function powers the instrument for intervals of about 20 minutes since the last button was accessed. The Power Button can also be used to conserve power and clear the memory, or to make adjustment while in calibration mode. A simple menu operation is displayed by holding the Function Button, and alternay functions to allow adjustments in the calibration mode. Arrows on the left side of the display show the direction of the temperature reading and whether stability has been reached. At the user’s discretion stabilized temperatures can be logged at numerous liquid levels for a running average and later displayed for the user’s documenting purposes. But this feature never interferes with simply getting an accurate temperature reading.

To endure the environment and be intrinsically safe, the TP 7-C is manufactured of materials, which are both immune to petrochemicals and are non-sparking. The enclosure is made of a polypropylene blend. The probe assembly is constructed using non-stick cable and stainless steel sensor components.

Operational Attributes:

Easily replaceable AA Batteries, provides an estimated *200 hours operation.

Circuit logic automatically indicates low battery condition, automatically shuts off after twenty minutes, shows temperature trend and stabilization, displays error codes for failure determination.

The low power backlight for night operation is photo sensor controlled for convenience and battery conservation.

In nighttime conditions the backlight illuminates the display.

Celsius or Fahrenheit units with C/F indication can be easily selected from the Function Button.

User Manual explains intuitive calibration procedure that can be done through the external faceplate buttons.

Specifications
Maximum Dimensions:

13.5 x 7.25 x 4.5 in.
34.3 x 18.4 x 11.4 cm

Probe:

304 Stainless Steel, Sealant, Aramid Fiber Reinforced, FEP or PFA
Cable Jacket, Coaxial Construction

Enclosure Material:

Polypropylene Blend, Stainless Steel and Aluminum.

Batteries:

2 AA Alkaline; Battery Life of approximay
200 hours
Battery manufacturer’s battery operating temperatature range -4 to 130°F, -20 to 54°C
Note: Battery may not provide adequate power if ambient temperature is extremely low or high.

Temperature:

Resolution 0.01
Range: -40 to +400°F
-40 to +204°C
Calibrated Accuracy:
±0.2°F from 32 to 200°F
±0.5°F from 200 to 400°F
±0.1°C from 0 to 100°C
±0.3°C from 100 to 200°C
4 Point NIST Traceable Report of Test
Long-term drift not to exceed 0.05%/year
Meets API requirements集团

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