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Summary of Contents for REED ST-171
- Page 1 ST-171 Model Temperature & Humidity USB Data Logger Instruction Manual Pantone 485 & 123 485 = (0/100/100/10) 123 = (0/18/100/0) reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 2 FEATURES • Memory for 32,000 readings (16,000 temperature and 16,000 humidity readings) • Dew point indication • Multi-mode to start logging • Selectable measuring cycle: 2s, 5s, 10s, 30s, 1m, 5m, 10m, 30m, 1hr, 2hr, 3hr, 6hr, 12hr, 24hr • User-selectable alarm thresholds for both temperature and humidity • Status indication via red/yellow/green LEDs • USB interface for set-up and data download • Analysis software • Long battery life DESCRIPTION 1. Protective cover 2. USB connector to PC port 3. Start button 4. RH & temperature sensors 5. Alarm LED (red/yellow) 6. Record LED (green) 7. Mounting clip reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 3 RH*** Double red flash will be lost. Replace every 10s*: Logging, high battery and download alarm for RH*** Single red data. flash every 60s: Low battery**** Single yellow flash every Download data 10s*: Logging, low alarm for TEMP*** Double yellow flash every 10s*: Logging, high alarm for TEMP*** Single yellow flash every 60s: Logger memory full reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 4 LED will not blink. First alarm will blink for first cycle and the next alarm will blink for next cycle. **** When the battery is low, all operations will be disabled automatically. NOTE: Logging automatically stops when the battery weakens (logged data will be retained). The supplied software is required to restart log- ging and to download logged data. ***** To use the delay function. Run the datalogger graph software, click on the computer icon on the menu bar (2nd from left) or select LOGGER SET from the LINK pull-down menu. The Setup window will appear, and you will see there are two options: Manual and Instant. If you select the Manual option, after you click the Setup button, the log- ger won't start logging immediately until you press the yellow button in logger's housing. SPECIFICATIONS Logging Rate: Selectable sampling interval from 2 seconds up to 24 hours Operating Temperature: -35 to 80°C or -31 to 176°F Battery type: 3.6V lithium (1/2AA) (SAFT LS14250, Tadiran TL-5101 or equivalent) Battery life: 1 year (typically) depending on logging rate, ambient temperature and use of alarm LEDs Dimensions/Weight: 101x25x23 mm (4x1x.9”)/172g (6oz) reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 5 +14 to +104°F ±1.8°F Dew point -40 to 70°C (-40 to 158°F) ±2.0°C (±4.0°F) Temperature BATTERY REPLACEMENT Only use 3.6V lithium batteries. Before replacing the battery, remove the data logger from the PC. Follow steps 1 through 4 below: 1. Use a pointed object (eg. a small screwdriver) to open the casing. Lever the casing off in the direction of the arrow. 2. Pull the data logger from the casing. 3. Replace/insert the battery into the battery compartment observing the right polarity. The two displays briefly light up for control purposes (alternating green/yellow/green). 4. Slide the data logger back into the casing until it snaps into place. Now the data logger is ready for programming. reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 6 NOTE: Leaving the model plugged into the USB port for longer than necessary will cause some of the battery capacity to be lost. WARNING: Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in accordance with local regulations. SENSOR RECONDITIONING Over time, the internal sensor may be compromised as a result of pol- lutants, chemical vapors, and other environmental conditions which can lead to inaccurate readings. To recondition the internal sensor, please follow the procedure below: Bake the Logger at 80°C (176°F) at<5%RH for 36 hours followed by 20-30°C (70-90°F) at>74%RH for 48 hour ( for re-hydration). If permanent damage to the internal sensor is suspected, replace the Logger immediately to insure accurate readings. reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
- Page 7 Notes _________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ reedinstruments DataLoggerStore 1.877.766.5412 www. .com Shop for REED products online at:...
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