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Help CenterCAEL-HT Series Multi-function Humidity and Temperature Transmitter
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CAEL-HT Series Multi-function Humidity and Temperature Transmitter
SERIAL's latest CAEL series Temperature and Humidity transmitter meets the harsh environmental requirements for temperature and humidity measurement. Via temperature and relative humidity values, the output can be calculated dew point temperature, absolute humidity, wet bulb temperature, the specific enthalpy and other parameters of humidity.
CAEL series Temperature and Humidity transmitter supported wall mount type, duct type and remote probe type. Metal probe provides a high temperature, mechanical stress, pressure and withstand harsh environments generated by the fine waterproof housing can avoid environmental contamination and prevent condensation generated.
Parameter values measured through the two analog output channels, the output may be a current or voltage output. You can simply establish a network by RS485 connection to achieve remote monitoring and data logging, measurement data through the storage device for analysis and processing.
LCD monitor would displays three measurement parameters at the same time, or the font is enlarged for single display to provide different visual needs. Touch buttons without having to open the housing can be set a one point adjustment for temperature and humidity, output selection, range setting, adjustment parameters, and do not carry the computer in the environment field will be able to complete the setup work.
CAEL-HT Series Humidity and Temperature Transmitter Features
• Remote probe w/M12 connector
• Metal probe reduce electromagnetic interference
• 2-wire 4-20mA with selectable physical quantity
• 0 - 100%RH measurement, temperature range up to +120°C (248 °F)
• Probe pressure up to 10 bar
• Display and touch buttons for convenient operation
• Excellent quality and stable measurement
• IP-65 housing
• 1-point user adjustment
• Analog output and RS485
• MODBUS RTU protocol with integer and floating type
• Unit support metric or imperial
• Alarm output
• Dip switch setting
• Configure adapter support
CAEL-HT Series Humidity and Temperature Transmitter Applications
• Semiconductor and microelectronics industry
• Pharmaceutical industry, paper industry
• Environmental chambers, drying equipment, spraying equipment
• Agriculture, farms
• Greenhouse, storage room, cooling chamber
• Building Automation
• Environment and ventilation control
CAEL-HT Series Humidity and Temperature Transmitter Technical Data
| Humidity | |
| Measurement range |
0 - 100 %RH |
| Accuracy (including non-linearity, hysteresis, and repeatability) | |
| CAEL-HTA |
±1.5%RH @ 25℃ (20 - 80%RH) ±2%RH @ 25℃ (0 - 20/80 - 100%RH) |
| CAEL-HT |
±2%RH @ 25℃ (20 - 80%RH) ±3%RH @ 25℃ (0 - 20/80 - 100%RH) |
| CAEL-HTB |
±3%RH @ 25℃ (20 - 80%RH) |
| Temperature coefficient (from 0°C to 80°C) |
typ. ±0.02%RH/℃ |
| Humidity Hysteresis |
±1%RH |
| Recovery time after 150 hours of condensation |
10 second |
| Long term drift |
|
| Response Time (at 63% of signal) from 33 to 75%RH |
10 second (at 1m/s air flow) |
| Temperature | |
| Measurement range |
-40 ~ 120 ℃ |
| Accuracy (including non-linearity, hysteresis, and repeatability) |
±0.2℃±0.003*T @ 25℃ ±0.7℃ (-40 ~ 5℃) ±0.3℃ (5 ~ 60℃) ±0.9℃ (60 ~ 120℃) |
| Long term drift |
|
| Analog output (two channels) | |
| Current version |
2-wire or 3-wire, 4 - 20 mA |
| Voltage version |
0 - 1 V / 5 V / 10 V |
| Accuracy of analog outputs at +25°C |
±0.1% full scale |
| Temperature dependence |
±0.005%/°C full scale |
| External loads |
current output RLvoltage output 0 - 1 V output RL > 2k ohm 0 - 5 V and 0 - 10 V outputs RL > 10k ohm |
| RS485 Modbus RTU | |
| ID |
1 - 247 |
| Baud rate |
9600/19200/38400/57600/115200 |
| Data format |
N81/N82/E81/E82/O81/O82 |
| Psychrometric calculations (option) | |
| (Td) dew point temperature, (A) absolute humidity, (Tf) frost/dew point temperature, (R) mixing ratio, (S) enthalpy, (Tw) wet bulb temperature, (E) water vapor pressure | |
| Display with touch button (option) | |
| LCD |
128 x 64 dots without backlight |
| Lines |
1,2 or 3 |
| Buttons |
capacitive x3 |
| Alarm (option) | |
| Relay type |
Electromagnetic x1 |
| Contact |
SPDT / 8A / 277 VAC (resistive load) |
| Dual mode logic |
AND/OR |
| Activate |
High-point and Low-point with enable |
| Setpoint |
-9999 to 9999 |
| Hysteresis |
0 to 9999 |
| Delay |
0 to 3600 second |
| Latch |
on/off |
| Power supply | |
| 2-wire current version |
11 - 35 VDC RL20 - 35 VDC RL |
| 3-wire current version |
15 - 35 VDC, 12 - 29 VAC |
| Voltage version |
15 - 35 VDC, 12 - 29 VAC |
| RS485 version |
15 - 35 VDC, 12 - 29 VAC |
| Power consume (25 °C, V+ 24 VDC) | |
| Current version |
max. 40mA |
| Voltage version |
typ. 10mA |
| Voltage version + alarm |
typ. 25mA |
| RS485 version |
typ. 25mA |
| RS485 version + alarm |
typ. 40mA |
| Mechanics | |
| Cable gland |
PG9 with strain relief |
| Cable bushing |
4.5 - 8.2 mm/0.18" - 0.32" |
| Housing material |
PC, POLYCARBONATE |
| Housing classification |
IP65 |
| Probe pressure |
10bar |
| Terminal block |
AWG 12 - 24 |
| Cable of remote probe version |
2m, shield PVC, 80°C |
| Connection |
Cable gland w/ terminal block or M12-4 pin |
| Probe material | |
| Wall mount version |
ABS/brass nickel-plated |
| Duct version |
aluminum |
| Remote probe version |
brass nickel-plated/aluminum |
| Temperature range | |
| without display |
-40 ~ 80°C (-40 ~ 176°F) |
| with display |
-20 ~ 70°C (-4 ~ 158°F) |
| Probe temperature range | |
| Duct and remote probe version |
-40 ~ 120°C (-40 ~ 248°F) |
| Electromagnetic compatibility | |
| Complies with EMC standard | |
| EN61326-1, Industrial Environment | |
CAEL-HT Series Humidity and Temperature Transmitter Ordering Guide
| Model |
Installation |
Output |
Connection |
Psychrometric calculations (Option) |
Display with touch button (Option) |
Alarm (Option) |
| CAEL-HTA CAEL-HT CAEL-HTB |
Wall mount (110) Duct (120) Remote probe (130) Remote probe (131) Remote probe (135) Remote probe (136) |
*2-wire 4 - 20mA (2) 3-wire 4 - 20mA (7) 0 - 10V (3) 0 - 5V (5) 0 - 1V (6) RS485 (4) |
Cable gland (A) M12-4 pin (B) (with 2m cable) |
Yes (M) |
Yes (D) |
Yes (R) |
*2-wire 4…20mA version without Alarm option
Ordering example
CAEL-HT-120-7AMDR
Humidity accuracy: ±2%RH (20 - 80%RH)
Installation: Duct version
Output: 3-wire 4 - 20 mA
Connection: Cable gland with terminal block
Psychrometric calculations: Yes
Display with touch button: Yes
Alarm: Yes
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