Temperature and Relative Humidity Logger
CSL-H2 T0.2
- Accuracy: ±0.2 °C typical (temperature); ±2% typical (relative humidity)
- Resolution: 0.01 °C (temperature); 0.01% (relative humidity)
- Operating temperature: -40 to + 85 °C
- Data points: 57,332
- Battery life: 17 months @ 30-minute interval
- Battery replaceable
- CE and FCC-certified
CSL-H2 T0.2 Temperature and Relative Humidity Logger
The CSL-H2 T0.2 temperature and relative humidity logger offers highly accurate temperature and relative humidity measurements at an affordable price. Each unit is carefully calibrated and rigorously tested in various harsh environments. The CSL-H2 T0.2 operates reliably in extreme weather conditions (-40 to +85 °C), recording and saving data on its internal memory for later analysis. When connected to a CredoSense Display Unit, it provides real-time monitoring of temperature and relative humidity.
Versatile Design
The CSL-H2 T0.2 temperature and relative humidity data logger is thin and lightweight, built with industry-grade materials to withstand strong forces, such as the weight of a bear in the forest or a car driving over it. You can easily hang the device with a zip tie from a pole or a tree branch to get your readings. Although finding the logger can be challenging, especially in dense forests full of fallen leaves or green agricultural fields, the bright color of the CSL-H2 T0.2 makes it easier to locate.
Thermal Isolation from Internal Circuitry for Enhanced Accuracy
Every circuit board in a temperature and relative humidity logger generates heat during operation, which can significantly affect sensor readings. Many temperature and humidity logger manufacturers on the market overlook this issue in their designs. However, in the CSL-H2 T0.2 temperature and relative humidity logger, we have carefully positioned the sensor (Figure 1) to minimize the impact of internal heat on sensor readings. Consequently, this ensures more accurate and reliable data.
Figure 1: Showing minimal thermal impact on the sensors
Easy Setup and Data Management
Setting up the CSL-T0.5 temperature, and relative humidity logger is straightforward. First, connect the device to a reader (CreDock, sold separately), then connect the CreDock to your computer as shown in Figure 2.
Figure 2: Connecting CredoSense Series Logger to the computer
Next, open CredoWare, our free downloadable software, and click the ‘Connect’ button on the user interface (Figure 3). CredoWare is compatible with macOS, Windows, or Linux and allows users to configure the device and access the logger data.
Figure 3: CredoWare User Interface
The user interface enables you to:
- Set device name
- Set logging intervals
- Configure time and date settings
- Set start/stop mode
- Set high/low alarm limits
- Monitor real-time data
- Download and view time-stamped temperature data
- Generate PDF reports
Designed to Last
The CSL-H2 T0.2 temperature and humidity data logger uses commonly available CR2450 batteries, which are replaceable via a dedicated battery port, allowing for multiple uses of the logger. We recommend using high-quality brand batteries such as Renata CR2450N (-40 to +85°C), Energizer (-30 to +60°C), Murata (-20 to +60°C), and Panasonic (-30 to +60°C) to ensure optimal performance. Moreover, a good-quality battery will typically provide the battery life shown in Table 1.
Checking the battery’s specifications during purchase is also important because the CSL-H2 T0.2 temperature and relative humidity logger can only operate within the operating range of the batteries. For example, if the CSL-H2 T0.2 operates within the range of -40 to 85 °C but you have chosen a battery that only operates up to -15 °C, the logger will stop working when the temperature goes below -15 °C and will show a low-battery status for a while. Therefore, select a battery that aligns with the temperature and relative humidity logger’s operating temperature range.
Logging interval (mins) | Average consumption (µA) | Battery life (approx.) |
1 | 193.13 | 45 Days |
5 | 48.63 | 6 Months |
30 | 18.104 | 17 Months |
60 | 15.05 | 20 Months |
Table 1: Battery life of CSL-H2 T0.2 at different logging intervals
Versatile LED Indicators and Alarms
The CSL-H2 T0.2 temperature and relative humidity logger features an RGB LED that changes color based on the device’s status and readings.
- Alarm Status: It blinks green every 60 seconds when measuring temperature and humidity within the alarm limits (if the alarm is on). It flashes red every 60 seconds when the set parameter exceeds the upper alarm limit, and it blinks blue every 60 seconds when the parameter falls below the lower alarm limit. To conserve battery life, the LED alarm can be turned off using CredoWare.
- Operational Status: You can also check the device status by pressing the START/STOP button once. The LED indicator will display:
- Green: The device is operational.
- Red:
- The device is not operational.
- Low-battery—try to start logging, and if it does not start, it indicates a low-battery status.
This system ensures that you can easily monitor the status and functionality of your temperature and relative humidity logger.
Ideal for Accurate Temperature and Relative Humidity Monitoring
The CSL-H2 T0.2 temperature and humidity recorder boasts a measurement accuracy of ±0.2 °C for a wide range of temperature. Figure 4 shows the accuracy graph for the CSL-H2 T0.2 temperature logger and relative humidity data logger, illustrating its reliable performance across various temperatures.
Figure 4: The accuracy of CSL-H2 T0.2 at different temperatures
Applications of Temperature and Relative Humidity Logger
Research
- Weather Forecasting and Microclimate Analysis: Provides precise data on temperature and humidity for predicting weather patterns and analyzing local climate conditions.
- Soil Temperature and Moisture Profiles: Tracks variations in soil temperature and moisture to inform agricultural practices and soil health studies.
- Habitat Monitoring: Observes temperature and humidity conditions in habitats to understand species’ environmental needs.
- Plant Growth Studies: Monitors temperature and humidity variations to study their impacts on plant growth, seed germination, and development.
- Insect Behavior Research: Examines how temperature and humidity influence insect behavior and population dynamics.
- Urban Heat Island Effect: Tracks temperature and humidity changes in urban areas to study heat accumulation and its effects.
- Mountain Ecology: Measures temperature and humidity in high-altitude environments to study mountain ecosystems.
- Conservation Research: Measures temperature and humidity in artificial habitats to aid in conservation efforts.
Pharmaceutical Industry
- Vaccine Storage: Monitors temperature and humidity during vaccine storage to ensure efficacy.
- Clinical Trials: Tracks temperature and humidity conditions to ensure the stability and reliability of trial samples.
- Blood Products and Plasma: Ensures optimal storage and transport conditions for blood products and plasma.
- API and Raw Material Storage: Maintains stability and prevents contamination of active pharmaceutical ingredients (APIs) and raw materials.
- Finished Product Storage: Monitors storage conditions of pharmaceutical products to meet regulatory standards and maintain efficacy.
- Quality Control: Ensures proper temperature and humidity conditions for temperature-sensitive products throughout their lifecycle.
- Regulatory Compliance: Supports compliance with standards such as GMP (Good Manufacturing Practices) and GDP (Good Distribution Practices).
- Cold Room Monitoring: Provides continuous monitoring of cold rooms to ensure consistent temperature and humidity control.
- Audit Trails: Offers detailed logging for audit trails, supporting regulatory compliance and quality assurance.
- Temperature and Humidity Mapping: Conducts detailed mapping of storage and transportation environments to identify hotspots and cold spots.
Food Industry
- Cold Storage Monitoring: Ensures consistent temperatures and humidity levels in refrigerated and frozen storage facilities to prevent spoilage and ensure food safety.
- Quality Control in Processing: Monitors temperature and humidity conditions during food processing to ensure products are processed at safe and optimal conditions.
- HACCP Compliance: Helps meet Hazard Analysis and Critical Control Points (HACCP) requirements by providing accurate records.
- Shelf Life Studies: Assists in studying the impact of temperature and humidity on the shelf life of food products to optimize storage conditions.
- Regulatory Compliance: Supports compliance with regulatory requirements for temperature and humidity monitoring in the food industry.
Cold-chain and Logistics
- Vaccine and Pharmaceutical Transport: Ensures vaccines and medications are stored and transported within safe temperature and humidity ranges.
- Food Safety: Tracks temperatures and humidity during the storage and transportation of perishable goods to prevent spoilage and ensure safety.
- Blood Plasma and Biological Samples: Maintains optimal conditions for blood plasma and biological samples during transit.
- Temperature-Sensitive Chemicals: Monitors transport conditions of chemicals requiring specific temperature and humidity ranges.
- Frozen Food Logistics: Ensures frozen food products are kept at required conditions to prevent thawing and maintain quality.
- Cold-Chain Compliance: Helps companies comply with regulations for transporting temperature and humidity-sensitive goods by providing accurate records.
The CSL-H2 T0.2 is ideal for applications that require highly accurate relative humidity and temperature monitoring at an affordable cost. For your application needs, please consult the product manual and application notes. If you do not find what you are particularly looking for, you will always find us at support@credosense.com.
- Small-footprint sensors for high accuracy
- Software-programmable high/low temperature alarm (LED indicator)
- Dedicated port for battery replacement
- Water-resistant casing
- Thin and lightweight
- No external wiring and ready-to-use out-of-the-box
- START/STOP button
- Operating temperature: -40 to + 85 °C
- Accuracy:
- Relative humidity: ±2% typical and ±3% minimum (non-condensing)
- Temperature: ±0.2 °C typical and ±0.4 °C minimum
- Resolution:
- Relative humidity: 0.01%
- Temperature: 0.01 °C
- Repeatability:
- Relative humidity: ±0.1%
- Temperature: ±0.1 °C
- Maximum sampling rate: 60 s (software programmable to different rate)
- Battery Life: 17 months of operation (@ 30-minute logging interval with alarm off)
- Dimensions: 20 mm X 55 mm X 47 mm
CredoWare:
V2.0.0 (Mac): July 16, 2022
V2.0.0 (Windows): July 16, 2022
Brochure:
V2.2: July 20, 2022
Quick Guide:
V1.1: September 6, 2021
Product Manual/Detailed Guide:
V1.2.3: November 14, 2022
Certification:
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