Description
I. Overview of RC-HT840 Series Products
RC-HT840 series is a large-sized temperature and humidity monitoring and display device specially developed for industrial environments. The overall sizeis 600 × 400 × 50mm(some models are 600 × 400 × 80mm). The product uses the American ADI (ANALOG DEVICES) temperature sensorand the American HONEYWELL humidity sensorAndHONEYWELL humidity sensor from the United States. Each unit undergoes strict calibration before leaving the factory, with high measurement accuracy and stable and reliable performance-24-. The
series consists of four models, with functions gradually increasing:
| model | core functions | applicable scenarios |
|---|---|---|
| RC-HT840A | Temperature and humidity display | Basic monitoring |
| RC-HT840B | Temperature and humidity display+sound and light alarm ⭐ Recommended | Threshold Monitoring |
| RC-HT840J | Temperature and Humidity Display+Data Recording | Data Analysis |
| RC-HT840BJ | Temperature and Humidity Display+Sound and Light Alarm+Data Recording | Comprehensive Monitoring |
2, RC-HT840A ordinary display model
Product Description
RC-HT840A is the basic display model of the RC-HT840 series, equipped with600 × 400mm high-definition LED large screen-24Display temperature and humidity values in large characters, with a visible distance of up to10-25 meters-24-30Silver aluminum alloy frame, black background with white text surface silk screen printing, back gourd hole wall hanging design, easy installation--30.
Core parameters:
- Temperature measurement range: -50~100 ℃ (some specifications -20~120 ℃)-24-1
- Temperature measurement accuracy:±0.5℃-24
- Humidity measurement range: 0~100% RH-24
- Humidity measurement accuracy:±3%RH-24
- Supply voltage: AC220V ± 15%-24
- Communication interface: Standard RS485, optional RS232, Ethernet RJ45 (MODBUS standard protocol)-24
Applicable scenarios:Factory workshops, warehouses, laboratories, computer rooms, offices, and other places that require real-time viewing of temperature and humidity data-24.
3, RC-HT840B sound and light alarm model ⭐ Recommendation
Product Title
Product Description
RC-HT840B adds on top of RC-HT840ASound and light alarm functionUsers can freely set the upper and lower threshold values for temperature and humidity through physical buttons. When the ambient temperature and humidity exceed the set range, the display screen is built-inThe buzzer emits an alarm soundAt the same timeAlarm light flashingImplement dual sound and light reminders.
Core Function:
- ✅ Real time temperature and humidity high-definition large screen display
- ✅ Independent setting of temperature/humidity upper and lower limits
- ✅ Over limit sound and light alarm (buzzer+warning light)
- ✅ The alarm sound can be manually turned off -
- ✅ Can increase relay signal output, automatically start air conditioning, dehumidifier and other equipment when exceeded -
Core parameters:
- Temperature measurement range: -50~100 ℃-24
- Temperature measurement accuracy:± 0.5 ℃-24
- Humidity measurement range: 0~100% RH-24
- Humidity measurement accuracy:± 3% RH-24
- Dimensions: 600 × 400 × 50mm (some 600 × 400 × 80mm)-24
- Power supply voltage: AC220V ± 15%-24
Applicable scenarios:Factory workshops, laboratories, warehouses, computer rooms, hospitals, pharmacies and other places that require timely response to temperature and humidity anomalies-24-.
IV. RC-HT840J Software Recorder
Product Description
RC-HT840J addsdata recording and storage functionon the basis of RC-HT840A. The productcomes with a built-in database, which can continuously record temperature and humidity data offor more than 10 years. Users can connect the display screen to the computer through RS232 or RS485 interface, and use the supporting software to achieve:
- Free setting of recording interval: 1 minute/5 minutes/10 minutes/30 minutes/1 hour and other options -
- Temperature and humidity curve chart drawing: intuitive viewing of data change trend -
- EXCEL data report outputEasy to archive, print, and perform secondary analysis-
- Query historical data by date-
- Centralized management and data download of multiple recorders-
Core parameters:
- Temperature measurement range: -50~100 ℃-24
- Temperature measurement accuracy:±0.5℃-24
- Humidity measurement range: 0~100% RH-24
- Humidity measurement accuracy:±3%RH-24
- Data storage: Over 10 years-
- Communication interface: standard RS485, optional RS232, Ethernet RJ45-24
Applicable scenarios:Laboratories, pharmacies, museums, archives, wine cellars, greenhouses, and other places that require long-term recording and traceability of temperature and humidity data.
5, RC-HT840BJ sound and light alarm+recording model (fully functional model)
Product Description
RC-HT840BJ is from the RC-HT840 seriesFull featured flagship model, CollectionHigh definition display, sound and light alarm, data recordingThe three core functions are integrated into one.
Three core functions:
1. High definition large screen display: 600 × 400mm LED large screen, large font displays temperature and humidity values, with a long visual distance-24.
2. Sound and light alarm: The upper and lower limit thresholds of temperature and humidity can be independently set, and the buzzer and alarm light will provide dual reminders when exceeding the limit. Can add relay output function, automatically link air conditioning, dehumidifier and other equipment when exceeding the limit.
3. Data Recording: Comes with a built-in database that can continuously recordtemperature and humidity data for more than 10 years. After connecting to a computer via RS232/RS485, recording intervals can be set, temperature and humidity curves can be drawn, and EXCEL reports can be exported.The recorded data volume is more than 50% higher than similar products-.
Core Parameters:
- Temperature Measurement Range: -50~100 ℃-24
- Temperature Measurement Accuracy:± 0.5 ℃-24
- Humidity measurement range: 0~100% RH-24
- Humidity measurement accuracy:± 3% RH-24
- Data storage: more than 10 years -
- External dimensions: 600 × 400 × 50mm (some 600 × 400 × 80mm)-24
- Power supply voltage: AC220V ± 15%-24
- Communication interface: standard RS485, optional RS232, Ethernet RJ45-24
Applicable scenarios:Pharmaceutical workshops, biological laboratories, data centers, archives, museums, greenhouses, wine cellars and other places with the most stringent temperature and humidity monitoring requirements --24.
VI. RC-HT540B sound and light alarm model
Product Description
RC-HT540B is an industrial grade large-sized audio-visual alarm temperature and humidity display screen with external dimensions600 × 400 × 50mm, equipped with high-definition LED large screen, visible distance10 meters-24. The product usesAmerican ADI (ANALOG DEVICES) temperature sensorandAmerican HONEYWELL humidity sensor, which is calibrated before leaving the factory, with high measurement accuracy, stable and reliable performance-24-25.
Core functions:
- ✅ Real time temperature and humidity high-definition large screen display
- ✅ Independent setting of temperature/humidity upper and lower limits
- ✅ Over limitsound and light alarm(Buzzer+Alarm Light)-24
- ✅ RS485 communication interface, optional RS232/Ethernet-24
- ✅ Silver aluminum alloy frame, back gourd hole wall hanging installation-25
Core parameters:
- Temperature sensor: ANALOG DEVICES, USA-24
- Temperature measurement range: -50~100 ℃-24
- Temperature measurement accuracy:± 0.5 ℃-24
- Temperature fine-tuning range: ± 10 ℃-24
- Humidity sensor: HONEYWELL, USA-24
- Humidity measurement range: 0~100% RH-24
- Humidity measurement accuracy:± 3% RH-24
- Humidity adjustment range: ± 10%-24
- Dimensions: 600 × 400 × 50mm-24
- Power supply voltage: AC220V ± 15%-24
- Communication interface: RS485 standard, optional RS232, Ethernet RJ45-24
- Usage conditions: Non corrosive gas environment (corrosive environment needs to be customized)-25
Applicable scenarios:Factory workshops, laboratories, warehouses, computer rooms, hospitals, pharmacies and other places that require timely response to abnormal temperature and humidity-24.
VII. Series comparison summary
| Comparison items | RC-HT840A | RC - HT840B | RC-HT840J | RC-HT840BJ | RC-HT5440B |
|---|---|---|---|---|---|
| High definition large screen display | ✅ | ✅ | ✅ | ✅ | ✅ |
| Sound and light alarm | ❌ | ✅ | ❌ | ✅ | ✅ |
| Data recording | ❌ | ❌ | ✅ | ✅ | ❌ |
| Software analysis/curve/EXCEL | ❌ | ❌ | ✅ | ✅ | ❌ |
| Data storage for more than 10 years | ❌ | ❌ | ✅ | ✅ | ❌ |
| Imported sensors | ✅ | ✅ | ✅ | ✅ | ✅ |
| RS485 communication | ✅ | ✅ | ✅ | ✅ | ✅ |
| Recommended scenarios | Basic monitoring | Threshold Monitoring | Data Analysis | Comprehensive Monitoring | Threshold Monitoring |
Selection Suggestions:
- Only need to view temperature and humidity data →RC-HT840A
- Need over limit reminder but do not need to be recorded →RC-HT840BorRC-HT540B
- Need data recording and analysis →RC-HT840J
- Requires full function of alarm and recording →RC-HT840BJ(one-step solution)
If you need to learn more about product details or obtain customized solutions (such as panel unit name customization, special communication protocols, relay output, etc.), please feel free to consult the supplier.
