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pemtech

美国PemTech公司提供世界级品质的用于检测有毒易燃气体的传感器、监视器和分析仪等。PemTech确保每件产品的质量，客户可直接与应用工程师及销售团队开发的气体探测解决方案提出具体要求，从而完全满足全球客户的需求。

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Ultra1000硫化氢传感器

2009/10/21 14:43:19 阅读：532次

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产品系列名称：Ultra1000硫化氢传感器
产品定货号：MR-00196-00

产地：美国
品牌：pemtech
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Features

RS-485 MODBUS Serial Output

4-20mA Analog Output

Field Programmable Alarm Relays

14-28 VDC Operation

Automated Non-Intrusive Calibration

Liquid Crystal display with back light

Description

featuresUltra 1000 series is a microprocessor based addressable sensor for detection of Hydrogen Sulfide in ambient air. The self- contained sensor user friendly interface and menu driven calibration procedure and configuration.

The complete sensor consists of a stainless steel sensor head assembly, a user connection board and a transmitter board assembly. All of the sensor electronics are enclosed in an explosion proof instrument box. The unit’s modular design allows easy maintenance, troubleshooting and high reliability.

The unit provides a 4-20mA signal proportional to 0 to 100% of the detection range. In addition the sensor may be addressed via MODBUS RTU interface. The MODBUS output provides sensor status, alarm & fault conditions. Alarm levels can be programmed via MODBUS RTU or via magnetic switch on the face of the transmitter board assembly.

Ultra 1000 can be calibrated in less than 2 ½ minutes. The calibration and the set-up parameters are retained in a non-volatile memory.

Specifications

Sensor Type

Electrochemical (Also available in Solid State MOS)

Measuring Range

0 – 100 ppm (parts per million)

( 500 ppm extended range also available)

Repeatability

± 2 % Full scale

Zero Drift

< 5% per year

Response Time

T90 < 30 seconds with 100% FS gas applied

Classification

Class I, division 1, Groups B, C & D

Operating Temperature

-4°F to +122°F (-20°C to +50°C)

Operating Humidity

15% to 90% RH, non-condensing

Display

2 lines by 8 Character LC Display with back light

Mechanical Specifications

Length: 7 inches (178 mm)

Width: 5 inches (127 mm)

Height: 4.5 inches (114 mm)

Status Indicators

LC Display for gas concentration, Alarm relay status, calibration mode and sensor fault status.

Input Power

14-28 VDC. 24 VDC nominal

Power Consumption

60mA @ 24 VDC Typical

Alarm Relays

Fully programmable. 0 to Full scale range of the sensor. Latching or Non-Latching.

Relay Ratings

SPDT Form “C” type Relay contacts

5 Amps @ 250 VAC or 30 VDC

Analog Output

Linear 4-20mA (300 Ohms max. load)

2.0 mA - Calibration mode

< 1.0 mA - Sensor malfunction

Interface

RS-485 MODBUS RTU (2 wire) at 9600 Baud rate

Cable Entry Hub

¾” NPT Female