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Testermeter- CWS21 Split Temperature And Humidity Transmitter with and without display two options
CWS21 split temperature and humidity transmitter is carefully designed and of excellent quality, suitable for temperature and humidity monitoring in various pipelines or boxes, the temperature range can be adjusted, with and without display two options, and cost-effective.
Technical parameters Range: Temperature -40~0~125°C Humidity 0-100%RH (relative humidity) output: RS485, 4-20mA, 0-10VDC Power supply: 12~24VDC, 24VDC
[In addition, we can provide customized products to meet the needs of customers in a short period of time, according to their application.]
Typical applications Ventilation duct temperature and humidity control, HVAC, etc., constant temperature and humidity controller/box, etc
Measuring medium Gas (compatible with contact material) |
Technical parameters
Basic parameters | |
Measuring medium | Gas (compatible with contact materials) |
Medium temperature | -40~0~125℃ |
Temperature range | -40~0~125℃ |
Humidity range | 0-100%RH(Relative humidity) |
Overall weight | With display ≈ 380g, without display ≈ 356g |
Response frequency | ≤2Hz |
Stable performance | ±1%RHFS/year, ±0.2℃/year |
Protection level | IP65 |
responding speed | Temperature response time, without filter: 15s, with filter: 55s; humidity response time, without filter: 15s, with filter: 35s (temperature in steps of 10°C, humidity in steps of 10%RH, gas flow rate: 0.1m/s) |
Output power supply | |
output signal | 4~20mA,RS485,0~10VDC |
Power supply range | 12~24VDC, 24VDC |
Maximum power | |
4~20mA | Without display ≤ 0.05Us(W), With display ≤ 0.06Us(W) |
RS485 | No display ≤ 0.015Us(W), Display ≤ 0.025Us(W) |
0~10VDC | No display ≤ 0.015Us(W), Display ≤ 0.025Us(W) |
Load characteristics | |
Voltage Type | ≥100kΩ |
Current Type | ≤200Ω |
Environmental conditions | |
Ambient temperature: | -40~85℃ |
environment humidity: | 0%~95%RH(no condensation, no condensation) |
Electrical protection | |
Short circuit protection | permanent |
Reverse polarity protection | No damage, but not working |
Insulation resistance | ≥100MΩ,500VDC |
Dielectric strength | 500VAC |
Output Limitation | |
4~20mA | Output minimum 4mA, output maximum 20mA |
RS485 | The minimum output is 0, and the maximum output is 1650/1000 |
0~10VDC | Output minimum 0.001VDC, output maximum 10VDC |
Overall material | |
Main shell | ABS engineering plastics |
filter | Polyethylene (density 50μm) (contacting the measured medium) |
Cable locking head | Nylon (locking wire diameter 4-6mm) |
show | LCD display with backlight |
Mounting flange | ABS engineering plastics (contacting the measured medium) |
Insert the probe | ABS engineering plastics (contacting the measured medium) |
Seals | Nitrile rubber/silicone (contacting the measured medium) |
Cables | Polyurethane |
Mechanical stability | |
Vibration resistance | 5g (20…2000Hz) complies with IEC60068-2-6 standard |
Impact resistance | 500g/1ms in accordance with IEC60068-2-27 standard |
