俄羅斯comeco 溫濕度傳感器 - RH/T-e
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產(chǎn)品介紹
一、俄羅斯comeco 溫濕度傳感器 RH/T-e描述:
利用電容隨介質(zhì)相對濕度成比例變化的薄膜傳感器，RHT測量空氣和非腐蝕性氣體的RH，并將其轉(zhuǎn)換為標準的4-20mA 2線信號。內(nèi)置溫度漂移補償系統(tǒng)，保證了測量的良好穩(wěn)定性，并可內(nèi)置額外的溫度傳感器或第二線發(fā)射機，用于測量介質(zhì)相對濕度和溫度。RH變送器出廠校準，無需自定義調(diào)整，溫度變送器可現(xiàn)場額外校準。該設備有三種不同的安裝和溫度范圍的變體。所有這些，加上高保護等級、小尺寸和低價格，使RHT成為許多RH測量應用的一個方便的解決方案。
二、俄羅斯comeco 溫濕度傳感器 RH/T-e特點：
2線RH/T發(fā)射機RHT
低成本溫度補償系統(tǒng)
兩個用于RH和溫度的2線變送器
可選內(nèi)置Pt溫度傳感器
可選配不銹鋼燒結過濾器
IP65保護
三、俄羅斯comeco 溫濕度傳感器 RH/T-e參數(shù)：
|
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 |
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