Tera DLT-01 User Manual

Temperature/humidity data logger with external temperature probe

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DLT-01 Temperature Data Logger
DLT-01-Pt Temperature Data Logger with External Temperature Probe
DLT-02 Humidity and Temperature Data Logger
Ukraine, 14030, Chernihiv city,
Vsikhsvyatska str., 7
DATA LOGGER
USER MANUAL
1
Tel: (0462) 606-740, 606-840
e-mail: info@ao-tera.com.ua

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Summary of Contents for Tera DLT-01

  • Page 1 DATA LOGGER USER MANUAL DLT-01 Temperature Data Logger DLT-01-Pt Temperature Data Logger with External Temperature Probe DLT-02 Humidity and Temperature Data Logger Ukraine, 14030, Chernihiv city, Tel: (0462) 606-740, 606-840 Vsikhsvyatska str., 7 e-mail: info@ao-tera.com.ua...
  • Page 2: Table Of Contents

    Contents 1. DESCRIPTION AND DEVICE OPERATION ....................1.1. Purpose ............................1.2. Specifications ..........................1.3. Additional Specifications ......................1.4. Package ............................1.5. Design and operating ........................1.6. Control Functions and Indication ....................2. DATA LOGGER SETUP ..........................2.1. Logging Interval ..........................2.2.
  • Page 3: Description And Device Operation

    This user manual is designed to acquaint maintenance personnel with the DLT-01(-02) Data Logger and its variations, including the DLT-01-Pt (hereinafter Data Logger). It provides information about the device’s design, specifications, components, and includes instructions for its proper and safe operation, and guidelines for storage and transportation.
  • Page 4: Additional Specifications

    Table 1.2. Specifications of DLT-01-Pt Data Loggers. Characteristic Value Temperature Range measured by Internal Sensor, °С -20…+60 Basic Absolute Accuracy of temperature measurement by Internal Sensor, °С ±0,5 Temperature Resolution of Internal Sensor, °С Response Time (63%) of Internal Sensor, min...
  • Page 5: Package

    Modifications of the logger are shown in Table 2. Table 2. Modifications of the Data Logger. Internal Temperature External Temperature Modification Humidity Sensor ✔ ✖ ✖ Sensor Probe ✔ ✔ ✖ DLT-01 ✔ ✖ ✔ DLT-01-Pt DLT-02 3 the selected type of the external temperature probe while ordering.
  • Page 6 1.5.3. The Data Logger block diagram is shown in Figure 2. Figure 2. Data Logger block diagram. 1. Microprocessor. 2. Memory. 3. Temperature sensor. 4. Humidity sensor. 5. LEDs. 6. Pushbutton. 7. Voltage supply element CR 2032. 8. Voltage regulator. 9.
  • Page 7: Control Functions And Indication

    1.6. Control Functions and Indication 1.6.1. A single control button is used to manage the logger’s modes. The set parameters and operation modes are displayed through two LEDs: one red and one green. The button’s functionality is algorithmically tied to the displayed indicators. 1.6.2.
  • Page 8 The “Logging delay” indication can occur in the following situations:: • After a delayed start of logging. • After a short button push. The “Logging start” indication occurs at the first moment of logging. Depending on the initial state of the alarms collection, it can be one of the following: •...
  • Page 9 Table 6. Indication after two short button push. Indication Description Short flash of green LEDs at the same time Logging disabled (duration 100 ms) Short flash of green LEDs at the same time Logging delay (after logging start) (duration 100 ms), then green LED flash (1 sec) Short flash of...
  • Page 10: Data Logger Setup

    2. DATA LOGGER SETUP The Data Logger is configured using the LoggerSoft PC software. Please refer to the User’s Manual section on “Data Logger Setup” and “Data Logger Settings” for guidance. You can initiate the Data Logger setup either during the configuration process or by using the buttons on the device. Below, we highlight some additional features of the Data Logger setup that may not be explicitly mentioned in the LoggerSoft software or the User’s Manual.
  • Page 11: Disable Alarms

    2.7. Disable alarms When alarms are disabled, alarm statistics are not collected. 2.8. High/Low Limits Alarm Settings Under this condition, the High and Low limits, alarm delay, and method of recording trigger delay (for each violation or total for all violations) are set. If the sensor readings are within the specified limits or briefly go beyond the limit values, the alarm does not activate.
  • Page 12: Battery Life Time

    3. BATTERY LIFE TIME 3.1. The lifespan of the logger depends on the CR2032 battery’s lifespan. Several factors can reduce the battery’s lifespan, including: • Self-discharge of the battery. • Battery discharge during logger operation. • Operating temperature in the environment 3.2.
  • Page 13: Recommendations For The Cr 2032 Batteries Selection

    4. RECOMMENDATIONS FOR THE CR 2032 BATTERIES SELECTION The information provided in this manual is specific to CR 2032 batteries manufactured by RENATA. Please note that CR 2032 batteries from different manufacturers may have varying characteristics, including initial battery capacity and discharge curves at low temperatures. Table 9 illustrates factors that can be used to estimate the reduction in continuous operation time for CR 2032 batteries from several well-known manufacturers.
  • Page 14: Service

    +100 Temperature, °С Figure 3. Operating range for Data Logger. The shaded area represents the recommended operating range of the Data Logger for measuring the Relative Humidity of ambient air, while the dotted area indicates the maximum permissible operating range for measuring relative humidity of ambient air.
  • Page 15: Storage

    10. STORAGE 10.1. Store the Data Logger in closed, well-heated rooms, inside the consumer packaging, within a temperature range of 0 to 40°C. Maintain a relative humidity of maximum 80% at a temperature of 15°C or a relative humidity of maximum 98% at 25°C. 10.2.

This manual is also suitable for:

Dlt-01-ptDlt-02

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