1. 서론
This manual provides detailed instructions for the proper use and maintenance of your TFA Dostmann LT202 Professional Digital Thermometer. This device is designed for precise temperature measurement in various environments, including refrigerators, freezers, aquariums, terrariums, pharmacies, laboratories, and supermarkets, where accurate temperature monitoring is crucial.
The thermometer features a waterproof cable sensor, permanent display of maximum and minimum values, and an adjustable optical and acoustic temperature alarm. It complies with EN13485 standards, making it suitable for professional applications.
2. 제품 특징
- Control Thermometer: Practical digital measuring device for temperature control in refrigerators, freezers, aquariums, terrariums, or other areas requiring precise temperature.
- Cable Probe: Features an approximately 2-meter long waterproof cable probe for fast response times (measurement interval every 10 seconds) and flexible placement options (magnet, stand, hanging eyelet).
- 디지털 디스플레이: Permanent display of maximum and minimum values (manual reset) with an adjustable optical and acoustic temperature alarm, configurable to 3 volume levels (loud, normal, mute).
- 높은 정확도: Operates with high-quality sensors to display temperature with high precision and trigger the alarm within seconds. Accuracy: ±0.3 °C from -10 °C to +20 °C, ±0.5 °C from -20 °C to -10 °C and +20 °C to +40 °C, ±1 °C from -40 °C to -20 °C and +40 °C to +70 °C.
- 규정 준수: The thermometer complies with EN13485 standards.
3. 설정
- 배터리 설치:
Open the battery compartment cover on the back of the device. Insert 2 x 1.5V AAA batteries, ensuring correct polarity (+/-). Close the battery compartment cover securely.
Image: Back of the thermometer with battery compartment.
- 프로브 연결:
Connect the waterproof cable probe to the designated port on the thermometer. Ensure the connection is firm.
Image: Thermometer with connected probe.
이미지: 상세 view of the waterproof probe tip.
- 놓기:
The thermometer can be placed in various ways:
- 서 있는: Use the integrated stand on the back of the device to place it on a flat surface.
- 교수형: Utilize the hanging eyelet on the back for wall mounting.
- 자석 부착: The device has a magnet for attaching to metallic surfaces.
Position the waterproof probe in the area where temperature measurement is required (e.g., inside a refrigerator, aquarium, or terrarium).
Image: Thermometer in a professional refrigerator setting.
Image: Thermometer used with an aquarium.
Image: Thermometer used with a terrarium.
4. 사용 설명서
이미지: 앞면 view of the thermometer display and controls.
- 전원 켜기/끄기: The device powers on automatically upon battery insertion. There is no dedicated power button.
- Current Temperature Display: The large digits on the display show the current temperature measured by the probe.
- Maximum and Minimum Values (MAX/MIN):
The display permanently shows the highest (MAX) and lowest (MIN) temperatures recorded since the last reset.
최대/최소값을 재설정하려면 버튼을 길게 누르세요. 벨 button for approximately 3 seconds until the values clear and new recording begins.
- Temperature Alarm (HI/LO):
The device features an adjustable temperature alarm for both high (HI) and low (LO) temperature thresholds.
- Setting Alarm Thresholds:
- 를 누르세요 벨 button once to enter alarm setting mode. The HI alarm value will flash.
- 사용하세요 위쪽(^) 그리고 아래 (동사) buttons to adjust the HI temperature threshold.
- 를 누르세요 벨 button again to confirm the HI setting and move to the LO alarm value, which will flash.
- 사용하세요 위쪽(^) 그리고 아래 (동사) buttons to adjust the LO temperature threshold.
- 를 누르세요 벨 button a third time to confirm the LO setting and exit alarm setting mode.
- 알람 활성화/비활성화:
While in normal display mode, press the 벨 button briefly to toggle the alarm function on or off. A bell icon will appear on the display when the alarm is active.
- 알람 볼륨:
The alarm has 3 volume levels: loud, normal, and mute. To adjust, press and hold the 위쪽(^) button while the alarm is sounding or when setting the alarm thresholds. Cycle through the volume options until desired level is reached.
- Setting Alarm Thresholds:
- 온도 단위 선택(°C/°F):
On the back of the device, locate the °C/°F switch. Slide the switch to select your preferred temperature unit.
5. 유지관리
- 청소:
부드러운 천으로 장치를 닦으십시오. damp cloth. Do not use abrasive cleaners or solvents. Ensure no water enters the main unit.
The probe is waterproof and can be cleaned with mild soap and water.
- 배터리 교체:
When the display becomes dim or the device stops functioning, replace the batteries. Open the battery compartment on the back and replace the 2 x 1.5V AAA batteries with new ones, observing polarity.
사용한 배터리는 현지 규정에 따라 폐기하십시오.
- 저장:
장기간 기기를 보관할 경우, 누출을 방지하기 위해 배터리를 제거하세요.
6. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 디스플레이가 없거나 어둡습니다 | 배터리가 방전되었거나 방전량이 낮거나, 배터리 극성이 잘못되었을 수 있습니다. | 새로운 1.5V AAA 배터리로 교체하고 극성이 올바른지 확인하세요. |
| 부정확한 온도 판독값 | Probe not properly connected; probe damaged; device exposed to extreme conditions. | Ensure probe is firmly connected. Inspect probe for damage. Avoid placing the main unit in extreme temperatures. |
| 알람이 울리지 않음 | Alarm deactivated; alarm volume set to mute; alarm thresholds not met. | Activate the alarm (bell icon visible). Adjust alarm volume. Verify alarm thresholds are set correctly relative to current temperature. |
| MAX/MIN values not resetting | BELL button not held long enough. | Press and hold the BELL button for approximately 3 seconds until values clear. |
7. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | 30.1052.02 |
| 온도 측정 범위 | -40 ° C ~ + 70 ° C (-40 ° F ~ + 158 ° F) |
| 정확성 | ±0.3°C(-10°C ~ +20°C) ±0.5 °C (-20 °C to -10 °C and +20 °C to +40 °C) ±1 °C (-40 °C to -20 °C and +40 °C to +70 °C) |
| Cable Probe Length | 200cm(2미터) |
| 응답 시간 | 10초 |
| 전원 | 2 x 1.5V AAA 배터리(포함되지 않음) |
| 재료 | 플라스틱 |
| 치수(길이 x 너비 x 높이) | 100 x 21 (30) x 61 mm (approx. 10 x 2.1/3 x 6.1 cm) |
| 무게 | 78g |
| 규정 준수 | EN13485 |
| 디스플레이 유형 | 디지털 |
| 장착 옵션 | Hanging, Standing, Magnetic |
| 관리 지침 | 깨끗이 닦아내다 |
8. 보증
This TFA Dostmann product comes with a 1-year availability of spare parts. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact TFA Dostmann customer support.
9. 지원
For further assistance, technical support, or inquiries regarding your TFA Dostmann Professional Digital Thermometer LT202 30.1052.02, please visit the official TFA Dostmann web사이트 또는 고객 서비스 부서에 문의하십시오.
제조업체: TFA-도스트만
Web대지: www.tfa-dostmann.de
Please have your model number (30.1052.02) ready when contacting support.