| Product Name |
SITE-LOG Resistance Temperature Detector Data Logger |
| Model |
LRTD-1 (for PT100) |
| Inputs |
| Connection |
Plugable terminal block for four external channels, excitation controls and alarm outputs |
| Channels |
One on-board thermistor temperature (-40°C ~ 70°C, -40°F ~ 158°F)
Four external RTD channels:
PT100: 20 ~ 400 Ohms (-200 °C ~ 850°C)
PT200: 90 ~ 1600 Ohms (-200 °C ~ 630°C)
PT1000: 185 ~ 3200 Ohms (-200 °C ~ 630°C)
Built-in equations(TCR 0.00385 and TCR 0.00392) |
| Resolution |
0.0018% (PT100: 0.02°C, PT500,1000: 0.015°C) |
| Accuracy |
Thermistor: ±0.2°C(0°C ~ 70°C, 32°F ~ 158°F) RTD Channels: ±0.015%
LRTD-1: ±0.16°C @25°C
LRTD-2: ±0.13°C @25°C
LRTD-3: ±0.13°C @25°C |
| 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 |
20 milliseconds 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 |
10 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 |
