| Monitoring wind speed, flow, tank level, pressure, current, voltage, power, SCADA troubleshooting, etc. |
| Size |
107mm x 74mm x 22mm (4.2” x 2.9” x 0.9”) |
| Weight |
110 g (3.75 oz) |
| Case Material |
Noryl® Plastic |
| Battery |
3.6 volt Lithium, 1 Amp-Hour |
| Resolution |
8-bit (1 part in 256) |
| Mounting |
Magnetic backing or locking eyelet |
| Clock Accuracy |
± 2 seconds per day |
| Sampling Methods |
Continuous (First-in First-out), Stop When Full (Fill-then-stop) |
| Operating Limits |
-40°C to 70°C (-40°F to 158°F) and 0 to 95% RH (non-condensing) |
| PC Requirements |
Windows PC with at least one free USB or serial port (depending on interface) |
| Software Requirements |
TrendReader® 2 (Compatible with Windows XP SP3, Windows Vista SP2& Windows 7 (32 bit & 64 bit) |
| Memory Size |
32 KB (capable of storing up to 32,767 readings) |
| Sampling Rates |
User selectable rates from 8 seconds to 5 days in 4-second increments |
| Number of Channels |
Eight (One for the internal temperature sensor and seven external channels for
analog voltage and current loop signals.) |
| Internal Temperature Sensor |
| Type |
NTC Thermistor - 10,000 Ohm @ 25°C (77°F) |
| Range |
-40°C to 70°C (-40°F to 158°F) |
| Accuracy |
±0.2°C over the range of 0°C to 70°C (± 0.3°F over the range of 32°F to 158°F) |
| Resolution |
0.4°C (0.7°F) @ 25°C; better than 1°C (1.8°F) between -25°C and 70°C
(-13°F and 158°F); better than 2.0°C (3.6°F) between -40°C and -25°C
(-40°F and -13°F) |
| Standard Model (SR-007) |
Other Models |
| Input Range* |
Input Range* |
| 0 to 10V DC (1 channel) |
All external channels: 0 to 10V DC (SR-007-0-10V) |
| 0 to 200mV DC (1 channel) |
All external channels: 0 to 25mA (SR-007-25mA) |
| 0 to 25mA DC (2 channels) |
|
| Maximum Protection |
Voltage channels: ± 40V (reverse-polarity protected)
Current channels: ± 70mA (reverse-polarity protected) |
| Input Impedance |
>1M Ohm (200mV channel)
>1M Ohm (0 to 2.5V channel)
20K Ohm (0 to 5V channel)
40.9K Ohm (0 to 10V channel)
100 Ohm (0 to 25mA channel) |
| Accuracy |
±1% of full scale |
| *Transducer restrictions:
The use of a single power supply is recommended to avoid ground loops or use loop isolators. |
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