VTRH-300D Duct-mount Temperature / Humidity Transmitter
Feature: CMOSENS technical develop temperature & humidity sensor 4¡ã20mA or 0¡ã10 can use along with PLC, DDC, DCS system control RS-485 communication (MODBUS RTU mode) Original set point reset ZERO and SPAN inner digital key for user to adjust High accuracy, high stability & fast response, exquisite, save electric, anti-noise HVAC cooling system available.
Applications:
measuring
and control of air
humidity at: building
HVAC management building
HVAC automation
warehouses
glasshouses manufacturers museums,
archives, galleries air-conditioned
rooms weather
stations compressed
air measurement
Specification:
Sensor
Measuring Range
Temperature
Range: -40~100¢XC
Relative
Humidity: 0~100
%
Measuring
Resolution
Temperature:
0.1¢XC
Relative
Humidity: 0.1
%
Measuring
Accuracy
Temperature:
¡Ó0.4¢XC (typ.
@25¢XC)
Relative
Humidity: ¡Ó3%
RH (20~80%RH
@25¢XC)
Response
Time
Temperature:
5~30 Sec.
Relative
Humidity: 8
Sec. (typ.)
Time for reaching
63% of a step
function, valid
at 25¢XC and
1 m/s airflow.
Sampling
Time
1
Sec.
Transmitter
Operation temperature
-20~70¢XC
(with LCD display)
-20~80¢XC
(without LCD
display)
Power
Supply
12~30Vdc
Power
Comsumption
1W
Max.
Current
Consumption
<4mA
Output
Analogue
output: 4~20mA
for 0~100%RH
and 4~20mA for
temperature
range 0~50¢XC,
0~100¢XC or -50~50¢XC
selectable.
RS-485
Communication:
Modbus RTU mode
Protocol with
9600/19200 Baud
Rate.
