RETIRED ›
This product is no longer available and has been replaced by:SR50A-EE-L.
SR50A-316SS-L Stainless-Steel Sonic Distance Sensor for Marine Environments
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概述

The SR50A-316SS is a stainless-steel version of Campbell Scientific's acoustic sensor for measuring the distance from the sensor to a target. The stainless-steel chassis allows for operation in environments where corrosion is a concern (such as marine environments). It is typically used to measure snow or water depth, but it is well-suited for other uses.

This measurement can be used to determine snow or water depth. An air temperature measurement is required to correct for variations of the speed of sound in air. This sensor is compatible with most Campbell Scientific data loggers.

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Benefits and Features

  • Rugged stainless-steel case protects piezoresistive sensor
  • Non-contact method for determining snow or water depth
  • Wide operating temperature range
  • Designed for marine or corrosive environments
  • 用户选择的输出选项
  • Uses a multiple echo processing algorithm to help ensure measurement reliability
  • 与大多数坎贝尔科学数据记录仪兼容

Images

An SR50A is shown. The SR50A and SR50A-316SS use the same chassis design and the same cabling.
An SR50A is shown. The SR50A and SR50A-316SS use the same chassis design and the same cabling.
An SR50A is shown. The SR50A and SR50A-316SS use the same chassis design and the same cabling.
Open-faced Parylene-coated transducer head used with the SR50A-316SS-L.<br />Notice that no mesh grill is used in front of the transducer head.
SR50A-316S-L安装在19517 SR50A安装套件（单独出售）
SR50A-L mounted to a 19517<br />SR50A Mounting Kit and crossarm<br />(sold separately)
SR50A-L mounted to a<br />19484 SR50A Mounting Stem<br />(sold separately)
SR50A-L使用19484 SR50A安装茎和17953 1 x 1英寸NU轨道交叉拟合（单独出售）安装在横臂上

Detailed Description

The SR50A-316SS was designed to meet the stringent requirements of measuring depths and uses a multiple echo processing algorithm to help ensure measurement reliability.

SDI-12, RS-232, and RS-485 output options are available for measuring the SR50A-316SS. Campbell Scientific’s MD485 interface can be used to connect one or more SR50A-316SS sensors in RS-485 mode to an RS-232 device. This can be useful for sensors that require lead lengths that exceed the limits of either RS-232 or SDI-12 communications. TheSR50AH-L可提供带有加热器选项的位置，其中rime冰是一个问题。

The SR50A replaced the SR50 in March 2007. The newer SR50A is smaller and has different output options than its predecessor.

Specifications

测量时间 < 1.0 s
Output Options SDI-12 version 1.3, RS-232, RS-485 (output options selected by configuring internal jumpers)
波特率 1200 to 38400 bps (RS-232, RS-485 modes)
电源要求 9 to 18 Vdc (typically powered by data logger’s 12 Vdc power supply)
测量范围 0.5比10 m (1.6 to 32.8 ft)
梁接受 ~30°
Resolution 0.25毫米（0.01英寸）
准确性 ±1 cm (0.4 in.) or 0.4% of distance to target (whichever is greatest). Requires external temperature compensation.
Operating Temperature Range -45°至 +50°C
Compliance 符合CE
Length 10.1 cm (4.0 in.)
Diameter 7.5 cm (3 in.)
Weight 795 g (28 oz) without cable
Cable Weight 250 g (8.2 oz) for a 4.57-m (15-ft) cable

Maximum Cable Length
-NOTE- Cable lengths greater than 60 m require a heavier gage wire if the power supply drops below 11 Vdc.
SDI-12 60 m（200英尺）
RS-232 60 m（200英尺）Baud rates ≤ 9600 bps
RS-485 300 m (984 ft)

能量消耗
Active 250 mA (typical)
Quiescent SDI-12 Mode < 1.0 mA
Quiescent RS-232/RS-485 Modes
  • < 1.25 mA (≤ 9600 bps)
  • < 2.0 mA (> 9600 bps)

Compatibility

Note:The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21x(retired) SDI-12
CR10(retired) SDI-12
CR1000(retired) SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR1000X SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR10X(retired) SDI-12
CR200X(retired) SDI-12
CR206X(retired) SDI-12
CR211X(retired) SDI-12
CR216X(retired) SDI-12
CR23X(retired) SDI-12
CR295X(retired) SDI-12
CR300 SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR3000(retired) SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR310 SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR500(retired) SDI-12
CR5000(retired) SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR510(retired) SDI-12
CR6 SDI-12, RS-232, and RS-485
CR800 SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR850 SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.
CR9000(retired)
CR9000X(retired) SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.

Distributed Data Acquisition

Product Compatible Note
GRANITE 6 SDI-12 and RS-232. For RS-485, requires an MD485 interface or similar RS-485 to RS-232 interface.

其他兼容性信息

Data Logger Considerations

One single-ended channel per probe is required; an excitation channel can be shared by several probes.

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