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俄罗斯comeco 温湿度传感器 - RH/T-e

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低成本
温度补偿系统
两个用于RH和温度的2线变送器

产品型号：: RH/T-e

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产品介绍

一、俄罗斯comeco 温湿度传感器 RH/T-e描述:

利用电容随介质相对湿度成比例变化的薄膜传感器，RHT测量空气和非腐蚀性气体的RH，并将其转换为标准的4-20mA 2线信号。内置温度漂移补偿系统，保证了测量的良好稳定性，并可内置额外的温度传感器或第二线发射机，用于测量介质相对湿度和温度。RH变送器出厂校准，无需自定义调整，温度变送器可现场额外校准。该设备有三种不同的安装和温度范围的变体。所有这些，加上高保护等级、小尺寸和低价格，使RHT成为许多RH测量应用的一个方便的解决方案。

二、俄罗斯comeco 温湿度传感器 RH/T-e特点：

2线RH/T发射机RHT

低成本
温度补偿系统
两个用于RH和温度的2线变送器
可选内置Pt温度传感器
可选配不锈钢烧结过滤器
IP65保护

三、俄罗斯comeco 温湿度传感器 RH/T-e参数：

Input
Humidity	capacitive sensor, 0 - 100 %RH
Temperature (option)	Pt100...1000 (w=1.385), -20 ~ 90 °C
RH adjustment	not needed (factory set)
Temperature ZERO adjustment	± 20%
Temperature SPAN adjustment	± 20%
Output
RH current output	4 - 20 mA, 2-wire
- input range correspondence	0 - 100 %RH
Temperature current output (option)	4 - 20 mA, 2-wire
Linearity proportional to	measured value
RH output limit	100% RH for condensation
Power supply
Supply voltage	8 - 36 VDC
Admissible variations	1 Vp-p at 50 Hz
Maximum line load	800 Ω at 24V/20mA
Accuracy
RH measurement error	≤ 2.5% from span
Temperature measurement error	≤ 0.5% from span
Non-linearity	within measurement error
Temperature drift for RH	0.05% from span for 1°C
Temperature drift for temperature	0.01% from span for 1°C
Operating conditions
Ambient temperature	-10 ~ 60°C
Ambient humidity	0 - 98 %RH, non-condensing
Design and materials
Case material	ABS plastic
Sensor protection	plastic cap with stainless steel mesh
Sintered filter (option)	stainless steel, 75 μm
Wiring	screw terminals inside housing
Protection class	IP65 (NEMA 4, 4x)

RHT 2-wire Humidity Transmitter Ordering code RHT* - G6 - #1.#2

Code	Feature or option	Code values
*	Variant	A - for wall mounting, B - for in-hole mounting, D - high-temperature
G6	Stem length 'n' [mm]	100…500 (step 10 mm)
#1	Built-in temperature sensor / transmitter	X - none, D - Pt100, F - Pt500, G - Pt1000, TT - 2-wire transmitter
#2	Sintered filter	X - none, S - sintered filter mounted