| After-sales Service: | We Can Provide Lifetime Maintenance |
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| Warranty: | 1 Year |
| Customized: | Customized |
| Samples: |
Support customize
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier | Power supply | AC 85V~265V / DC 24V~110V (optional) |
| Power consumption | ≤5VA(actual power consumption is related to the numbers of channel) |
| Numbers of channel | 1~12 channel (analog input:1~12 channel, pulse input 2-4 channel optional) |
| Input signal | Thermocouple: K,E,R,B,N,T,E,J,S, WRE5-26, WRE-25 |
| Thermal resistor: Pt100,Pt1000 | |
| Current: 4-20mA, 0-10mA | |
| Voltage: 0-5V,0~10V, ±20mV, ±100mV | |
| Switch input | 2~4 channel(optional) could collect switch IO current status,Switch IO frequency(0~15KHz),switch IO accumulative number, Maximum is 4,294,967,295 |
| Channel isolation voltage | 420V |
| Recording frequency | 1~9999s self-setup |
| Recording memory(built-in 8G TF disk) | Over 2000 days (12 channel, recording interval per minute) |
| Recording mode | Cycle record |
| Alarm type | Upper and lower alarm output,each channel with 4 modes(ultimate upper limit value,upper limit value,lower limit value,ultimate limit value) |
| Relay | 2~4 channel normal open relay DC 30V/1A |
| Wired communication | Standard RS485,MODBUS RTU communication protocol,Ethernet MODBUS TCP protocol |
| Wireless communication | 4G/ WIF/ LORA/ Thread |
| Operation environment | -20ºC~60ºC,0~95%RH |
| Body material | Fireproof ABS |
| Product dimension | 96*96*102mm |
| Installation opening hole size | 92*92mm |
| Moduel | Version type | Function configuration |
| TP740-A | RS485 | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740-A2 | RS485 | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740VE-A | RS485/Ethernet | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740VE-A2 | RS485/Ethernet | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740VL-A | RS485/LoRA | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740VL-A2 | RS485/LoRA | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740V3-A | RS485/WiFi | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740V3-A2 | RS485/WiFi | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740V4-A | RS485/4G | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740V4-A2 | RS485/4G | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740VLE-A | RS485/Ethernet/LoRA | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740VLE-A2 | RS485/Ethernet/LoRA | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740V3E-A | RS485/Ethernet/WiFi | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740V3E-A2 | RS485/Ethernet/WiFi | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| TP740V4E-A | RS485/Ethernet/4G | 4 channel universal input+2 channel switch/pulse sampling input+ 2 channel relay output |
| TP740V4E-A2 | RS485/Ethernet/4G | 8 channel universal input+4 channel switch/pulse sampling input+ 4 channel relay output |
| Input type | Measuring range (indicating range) |
Measurement accuracy (reference error, absolute error) |
Digital display resolution | |
| DC voltage | 0-10V | -0.5V to +11.000V | 0.001% F.S. ±0.0001V | 0.01V |
| 0-5V | -0.5V to +5.500V | 0.001% F.S. ±0.0001V | 0.01V | |
| ±100mV | -110.0mV to +110.0mV | 0.0005% F.S. ±0.001mV | 0.01mV | |
| ±20mV | -21.0mV to +21.0mV | 0.0025% F.S. ±0.001mV | 0.01mV | |
| DC current | 4-20mA | +3mA to +21.00mA | 0.005% F.S. ±0.001mA | 0.01mA |
| Measurement accuracy (relative error) | ||||
| Thermocouple | K | -60ºC to +1372ºC | ±(0.05% rdg. +0.5ºC) | 0.01ºC |
| J | -200ºC to +1200ºC | ±(0.05% rdg. +0.5ºC) ≤0ºC ±(0.15%rdg.+0.5ºC) |
0.01ºC | |
| E | -200ºC to +1000ºC | ±(0.05% rdg. +0.5ºC) ≤0ºC ±(0.15%rdg.+0.5ºC) |
0.01ºC | |
| T | -200ºC to +400ºC | ±(0.05% rdg. +0.5ºC) ≤-30ºC ±(0.15%rdg.+0.5ºC) |
0.01ºC | |
| N | -200ºC to +1300ºC | ±(0.05% rdg. +0.7ºC) ≤0ºC ±(0.3%rdg.+0.7ºC) |
0.01ºC | |
| W | +1500ºC to +2315ºC | ±(0.05% rdg. +1.5ºC) | 0.01ºC | |
| 0ºC to +1500ºC | ±(0.05% rdg. +1.0ºC) | |||
| R | +800ºC to +1768ºC | ±(0.05% rdg. +1.0ºC) | 0.01ºC | |
| +400ºC to +800ºC | ±(0.2% rdg. +2.0ºC) | |||
| S | +800ºC to +1768ºC | ±(0.05% rdg. +1.0ºC) | 0.01ºC | |
| +400ºC to +800ºC | ±(0.2% rdg. +2.0ºC) | |||
| B | +800ºC to +1820ºC | ±(0.05% rdg. +1.0ºC) | 0.01ºC | |
| +400ºC to +800ºC | ±(0.2% rdg. +2.5ºC) | |||
| Thermal resistance | Pt100 | -200ºC to +660ºC | ±(0.05% rdg. +0.3ºC) | 0.01ºC |
| Cu50 | -50ºC to +150ºC | ±(0.05% rdg. +0.3ºC) | 0.01ºC | |
| PT1000 | -200ºC to +300ºC | ±(0.05% rdg. +0.2ºC) | 0.01ºC | |
| Preheat time | over 30 minutes | |||
| Thermocouple measurement | Includes cold junction compensation accuracy | |||
| Standard operating conditions (accuracy above) | Temperature 25±3ºC, humidity 55±10%RH | |||
| Environmental adaptability | Operating temperature | -20ºC to +70ºC | ||
| Working humidity | 0 to 95%RH (no condensation) | |||
Shenzhen Toprie Electronics Co., Ltd is a high technology enterprise engaged in manufacturing of environmental monitoring and data acquisition field.
Established in 2009, which is covering an area of over 5000 square meters, has 8 work lines and many staffs who have good research, design for techniques, quality controlling and production.
Business Scope: data logger, humidity & temperature logger/sensor, gas detector, pressure sensor, water level meter, liquid level transmitter, data acquisition moduel, IoT gateway, thermal imaging camera, power& energy meter/power quality analyzer etc.
And we have the advanced examine equipment, product technique and the perfect quality protect system. Beside our brand name products, we also have more than 15 years' ODM and OEM order experience and can accord the clients demands or requirements to personalized own brand.
Sincerity and Down-to-earth working approach' to provide clients with excellent service of processing! We sincerely welcome you to visit our company or contact us for cooperation!
Warmly welcome you and opening up the boundaries of communication. We synchronize with your ideal partner!
Q: Are you a factory/manufacturer?
A: Yes, We are professional factory/manufacturer of data logger, humidity & temperature logger/sensor, gas detector, pressure sensor, water level meter, liquid level transmitter, data acquisition moduel, IoT gateway, thermal imaging camera, power& energy meter/power quality analyzer etc.
Q: Can I customized my logo and different communication methods?
A: Yes,For customized logo that will be okay,but there is a small MOQ. For communication methods: GPRS, 4G, WIFI, LORA, LORAWAN etc. Please keep us informed in advance.
Q: How long is your lead time? If I want to customize instruments, how long will it take?
A: Usually, we can ship out within 3-5 days after receiving your payment. The customize device is depends on your order quantity.
Q: What payment method do you accept?
A: We accept payment method of T/T (bank transfer), Western Union, PayPal and so on.
Q: What package do you use for your products? What shipping method do you use?
A: 1. We use standard carton box for packing.
2. We ship via express courier (door to door service), by air, and by sea according to customers' requirements.
Q: How is your company's product after-sales service system?
A: The product warranty period is 12 months, we can provide lifetime maintenance. And we have professional pre-sales and after-sales engineer teams one-to-one after-sales servicethat can respond to you within 24 hours to resolve technical issues.
For more questions, please feel free to send inquiries to us.
Suppliers with verified business licenses
Audited Supplier 
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