TRH-3308A, TRH-3358A Temperature Humidity CO2 meter LED Monitor with Data logger Product ID: TRH-3308A, TRH-3358A
 Large Digital Temperature and Humidity Displays 
-Complete environmental monitoring and alarm solution
-Wall-Mounted LED type for easy reading
-Alarm set for CO2 (TRH-3358A) and Temperature and Humidity
-USB Datalogging Capacity 65,000 records
-Real-time data display
 
Large Digital Temperature and Humidity displays LED Monitor
Technical parameters
| Sampling time | 1 time/second | 
| Interval time | 1s~24hrs | 
| Output interface | RS485/RS-232/USB With a time of three options | 
| Analog output | 4-20mA Output (RL<=250Ω) | 
| Dry contact (Relay Switch) | Contact:Max. 1A@30Vdc Resistive load | 
| Power | 24Vac/Vdc±20%(50…60Hz)and 9-15V Adaptor | 
| Power consumption | 6W@24Vdc | 
Temperature
| Type | Diode | 
| Range | -20°C~70°C/-4°F~158°F | 
| Accuracy | ±1.0°C (5~60°C)other±2°C | 
| Resolution | 0.1°C/0.1°F (0~35°C/32°F~95°F);1°C/1°F (over 100°C/°F or below-10°C/°F) | 
| Response Time | Typ.1 second | 
Relative Humidity
| Type | Capacitive | 
| Range | 5-95% | 
| Accuracy | ±5.0%RH (20~80%);±8.0%RH (80%) | 
| Resolution | 0.1% | 
| Response Time | Typ.4 seconds | 
| Model | CO2 | Humidity | Temp | 65,000 Record | Clock | RS-232 | RS-485 | RELAY*1 | 4-20mA | 
| TRH-3308A | 
 | v | v | v | v | v | v | v | v | 
| TRH-3358A | v | v | v | v | v | v | v | v | v | 
APPLICATIONS:
- Warehouses. - Hospitals blood/Tissue banks.
- Laboratories. - Computer rooms.
- Chambers/incubator. - Clean rooms.
- Electronics manufacturing. - Defense.
- Refrigerators/Freezers. - Other Critical areas.
Temperature Humidity Large LED Mointor  data logger of TRH-3308D
Q &  A:  
- Simultaneous display-Date time, Temperature and RH ?
No, this logger TRH-3308D cannot be monitored by your computer simultaneuously.
- Internal data storage-Approximately 30 days data storage per parameter at 5 min sampling rate ?
          30 days data sotrage per parament at 5 min required 8640 point space and our memory card  gets 43000 points 
          that is engouh to cover your need.
- Programmable start/stop time-Required ?
This feature is not available. It only can be done on the front panel manually. Not programmable.
Date and time shall be available with data retrieved-Required ?
Data of date and time can be downloaded by Excel form.
- Alarming-When exceed high and low set limits ?
The hardware has this alarm features but not for its software
- Software-Shall be provided. Shall be able to transfer data to Excel spread sheet ?
Yes, we have this features.
- Communication cable-Shall be provided ?
Yes, USB cable is provided.
- Auto display off function-Required ?
No, there is no Auto display off features for this LED monitor but you can turn if off manual
and logger will be stopped recording.
- Wall mountable-Required ?
Yes, it is wall mountable.



