testo 312-4 - 压差测量仪

产品型号:testo 312-4

主要技术指标:

测量范围 0 ~ 200 hPa


testo 312-4 - Differential pressure measuring instrument

订货号  0632 0327

    Gas-tightness and serviceability test by pressure drop on gas pipes according to DVGW-TRGI 2008

    Load test on gas pipes according to DVGW-TRGI 2008 with the help of the high pressure probe

    Pressure tests on drinking water pipes with water using the high-pressure probe according to DIN 1988 (TRWI) as well as with air accoding to the ZVSHK information sheet

    Pressure test on waste water pipes according to DIN EN 1610

You can carry out all the necessary tests on gas heating systems as well as water and gas pipes with the testo 312-4 electronic differential pressure measuring instrument. Preset measuring processes, for example for load and tightness tests as well as serviceability testing on gas pipes, provide you with ideal support for your work.



产品描述

A variety of directives describe the tests which have to be carried out before commissioning water and gas pipes. The testo 312-4 differential pressure measuring instrument offers measuring processes for load and tightness tests as well as serviceability tests on gas pipes using air. It also enables the checking of static gas and gas flow pressures, as well as the nozzle pressure setting on gas burners or boilers.

These measurements are possible with the testo 312-4 differential pressure measuring instrument

  • Tightness and serviceability testing by pressure drop on gas pipes in accordance with DVGW TRGI 2008
  • Load testing on gas pipes in accordance with DVGW-TRGI 2008 using our high-pressure probe (can be ordered as an option)
  • Pressure testing on drinking water pipes using water and with the support of the optional high-pressure probe in accordance with DIN 1988 (TRWI) and using air in accordance with the ZVSHK information sheet
  • Pressure testing on waste water pipes using our high-pressure probe (can be ordered as an option)
  • Checking the gas pressure regulator by recording the readings over a defined period (max. 25,000 readings)
  • Checking the gas connection and gas flow pressure, as well as setting the nozzle pressure on gas burners and boilers

Practical features of the differential pressure measuring instrument

The testo 312-4 pressure measuring instrument offers a high level of operating convenience in order for you to carry out pressure measurement efficiently – for instance through preset measuring processes or the clear presentation of readings on the large display. The testo fast printer, which can be ordered as an extra, means you can produce measurement data printouts directly on site. The easyheat PC software is available to you as an option for data transfer and evaluation. Furthermore, probes which are also available for various measuring tasks can be attached to the differential pressure measuring instrument (e.g. high-pressure probe or thermocouple probe for temperature measurement).


产品包含

testo 312-4 differential pressure measuring instrument, including battery and calibration protocol.



Type K (NiCr-Ni)


测量范围

dependent on probe type used

测量精度

±0.4 °C (-100 ~ +200 °C)*

±1 °C (其余量程)*

分辨率

0.01 °C

差压(内置传感器)

测量范围

0 ~ 200 hPa

测量精度

±0.03 hPa (0 ~ +3 hPa)

±1.5 %测量值 (+3.1 ~ +40 hPa)

±2 hPa 或 ±1 % 全量程 (41 ~ +200 hPa)

分辨率

0.01 hPa

压力测量(外置探头)

测量范围

0 ~ 25 bar

测量精度

±0.6 % 全量程 (0 ~ 10 bar)

±0.6 % 全量程 (>10 ~ 25 bar)

分辨率

10 hPa

技术参数

重量

600 g

直径

219 x 68 x 50 mm

红外打印机

红外界面

保修

2年

测量比例

auto 1 s to 24 h; fast 0,04 s

数据传送

RS 232

PC软件

Easyheat

内存

25,000 测量值

差压检漏仪,

仪器维修服务注意:
1、客户联系我公司维修部(微信同号),告知所需维修仪器的型号及故障现象,看能否修理。
2、客户提供维修的仪器,规范包装寄到我公司维修部。请在快递包装内附上纸条注明故障现象、联系方式,以便及时与贵方联系。

3、由工程师检修估价,与客户联系,确认是否维修。客户确认维修、付款,再我公司维修、邮寄。

















◇东方嘉仪成立于2003年,主要从事工业检测仪器研发生产和销售,提供仪器选型+配送+安装调试+培训服务。
◇已有2万家客户见证,先后为120个行业超过20000家企业供应仪器,得到众多企业、用户的广泛认可与赞扬。
◇东方嘉仪为国内唯一注册仪器服务品牌,注册了应用于仪器仪表销售领域的“东方嘉仪”品牌。
◇我们不仅为您提供高质量、高性能的检测仪器,另外还有经验丰富、维修技术高的团队为您免费售后服务支持。

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