Product Name |
SITE-LOG Relative Humidity Data Logger |
Model |
LRHT-1 |
Inputs |
Channels |
Relative humidity (0 ~ 100% RH)
Temperature (-40°C ~ 70°C, -40°F ~ 158°F) |
Resolution |
Temperature channel: 12-bit
Relative humidity channel: 12-bit |
Accuracy |
Temperature:+/- 0.4°C at 25°C
Relative humidity channels: +/-3% (20% - 80% RH) |
Alarms |
Channel Alarms |
Two editable alarm thresholds per channel. |
Alarm Output |
ALARM1 & A2/E terminal strips can be configured as alarm outputs.
Alarm-On: MOSFET(N-Channel) switch on
Alarm-Off: MOSFET(N-Channel) switch off
Max Power: 200mA @ 24VDC. |
Alarm-On Delay |
Programmable 0 - 10 minutes delay with 1-minute increment. |
Alarm Indicator |
On-board LED becomes red when in alarm condition. |
On-board Memory |
Size |
8 Mega bytes (4MB readings). |
Data Retention |
Over 20 years. |
Sampling |
Sampling Interval |
1 second to 12 hours programmable. (external power supply required if interval less than five seconds) |
Logging Mode |
Stop recording or FIFO when memory is full. |
Logging Activation |
Programmable instant, start delay or field push button activation. |
Communications |
Interface |
USB (Mini-USB-B) (USB-A-mini USB-B Cable included)
AUX(RJ11) for TTL level RS232 communications. |
Baud Rate |
Auto-detect baud rate from 2400 to 115200 bps on both USB and AUX. |
Battery |
Power |
Built-in 3.6V Lithium Battery. |
Battery Life |
5 years based on 1 minute sampling interval. |
Software |
SiteView (Sold separately) |
Configuration, downloading, plotting, real-time view, custom calibration and custom equation. |
Software Requirement |
Computer with 1.0 GHz or faster processor
1 GB Memory or higher
10 GB of available hard-drive space or higher
Windows XP with SP2 or later, Vista, Window 7,8,10
At least one USB port or one COM port. |
Physical |
Material |
Aluminum enclosure. |
PCB Treatment |
Conformal coating. |
Dimension |
88 X 64.2 X 24 mm (3.46 X 2.53 X 0.95 inches). |
Weight |
200g |
Mounting |
Probe/wall-mount holes for hanging/mounting. |
Others |
LED Indicator |
Tri-Color LED: (can be disabled for power saving)
Normal Sampling: light green when sampling.
Alarm: red when sampling.
Low Battery: amber when sampling. |
Excitation Control |
A2/E terminal strip can be configured as excitation control output for driving the power of connected devices.
Warm-up delay interval settings: 10 to 240 seconds with 10-second increment. |
Operating Environment |
-40 ~ +70 °C (-40 °F ~ 158 °F), 0 ~ 95% RH non-condensing. |
Clock Accuracy |
±1 mintue per month. |
Approval |
CE, FCC |