Digital 4 Channels Thermometer with NTC Thermistor Probe and SD Card Logging
This versatile 4 Channel NTC Thermistor SD Card Logger is designed for efficient temperature measurement and recording. It allows for seamless data logging without the need for additional software, boasting unlimited memory capacity depending on the SD card used. The device features a backlit display with real-time clock functionality and can be used either as a handheld unit or wall-mounted. The programmable relay can trigger an external alarm system and send alerts via GSM messages, making it ideal for various monitoring applications.
Features:
- Large LCD display (104 x 47 mm) for clear readings, suitable for portable or wall-mounted use
- Simultaneous measurement and logging of 4 temperature readings using quick-response NTC thermistor probes
- Independent temperature alarm settings for each of the 4 channels
- Unlimited manual and automatic logging based on SD card capacity
- Relay feature to trigger external alarm systems, including GSM message alerts
- HOLD function to freeze current readings for reference
- MAX/MIN value tracking from power on for quick assessment
- Audible beeper and LED alarm indicators
- One-button display toggle for T1-T2 temperature difference
- Displays temperature changes from a set baseline
- Programmable HIGH/LOW temperature alarm limits for each channel with relay output
- Temperature offset function for precise adjustments
- Over-range indication with clear error messages
- Blue backlight feature for visibility in dark environments
- Select between 12-hour or 24-hour time formats
- Real-time display showing year, month, date, hour, and minute
- Auto power-off after 20 minutes to conserve battery
- Selectable temperature units (°C/°F)
- Low battery indicator to ensure timely replacements
- Patented technology from Japan and Taiwan
Specifications:
Parameter | Details |
---|---|
Thermistor Temperature Range | -30~70°C / -22~158°F |
Resolution | 0.1°C / 0.1°F |
Accuracy | ±0.5°C |
Relay | Normal open contact, rated at 1A 30VDC / 0.5A 125VAC |
Sampling Rate | Programmable from 1 second onwards |
LCD Size (HxW) | 47 x 104 mm |
Operating Environment | Temperature: 0~50°C; Humidity: <80% |
Storage Environment | Temperature: -20~50°C; Humidity: <90% |
Dimensions (L x W x T) | 152 x 100 x 39 mm |
Weight | ~300 g |
Power Supply | 4 x AA Batteries (included) or 9V adapter (not included) |