| Food process verification, pharmaceutical and/or laboratory storage, transportation of temperature-sensitive
goods, equipment run time, HVAC system testing and balancing, 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 |
Three (One for internal temperature sensor and two external inputs for pulse
signals or dry switch contact closures) NOTE: For “switch status” logging, see
SmartReader Plus 8 |
| 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) |
| External Inputs |
| Switch Contact Type |
Uncommitted switch or relay contacts |
| Logic Input Type |
Active logic signals |
| Ranges |
32 pulses/second
64 pulses/second
128 pulses/second |
| Minimum Pulse Width |
4 milliseconds |
| Input Voltage |
Low = 0 to 0.5 volts DC
High = 4.5 to 24 volts DC |
| Input Impedance |
750K Ohm |
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