2022 Good Quality Reference Thermometers - PR721/PR722 Series Precision Digital Thermometer – Panran

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2022 Good Quality Reference Thermometers - PR721/PR722 Series Precision Digital Thermometer – Panran Detail:

PR721 series precision digital thermometer adopts intelligent sensor with locking structure, which can be replaced with sensors of different specifications to meet different temperature measurement needs. The supported sensor types include wire-wound platinum resistance, thin-film platinum resistance, thermocouple and humidity sensors, which can automatically identify and load the type, temperature range and correction value of the connected sensor. The thermometer is made of aluminum alloy as a whole, with IP64 protection class, which can be used reliably in harsh environments.

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Technical Features

  1. Smart sensor, the temperature range covers -200~1300℃. Using high temperature-resistant locking components, the host can automatically load the current sensor type, temperature range and correction value after connecting to the smart sensor, improving the accuracy of temperature traceability, and work efficiency.
  2. Low temperature drift, in the range of 5~50℃, the electrical measurement accuracy is better than 0.01, and the resolution is 0.001℃, which can meet the high standard temperature calibration requirements.
  3. In U disk mode, charging or data transmission can be performed through the Micro USB interface, which is convenient for quick editing of test data.
  4. Gravity sensing function, supports automatic screen flipping, and ideal reading experience can be obtained by placing it left or right.
  5. Support Bluetooth or ZigBee communication, you can use Panran Smart Measurement APP to synchronize data or expand other applications.
  6. Protection class IP64 for reliable use in harsh environments。
  7. Ultra-low power consumption, built-in rechargeable lithium battery, continuous work for more than 130 hours.

Other Functions

Volatility measurement at set time intervalsRelative temperature measurementMaximum, minimum and average value calculationElectrical value/temperature value conversionSensor correction value editingOver temperature alarmBuilt-in high precision real time clockOptional ℃, ℉, KGeneral Parameters

Electrical Accuracy (One Year Calibration Period)Model PR721A PR722A PR721B PR722B Remark
External dimensions φ29mm×145mm Sensor not included
Weight 80g Weight with battery
Data storage capacity 8MB(Store 320,000 sets of data) Contains time information
External interface Micro USB Charging/data
Battery specifications 3.7V 650mAh Rechargeable lithium battery
Charging time 1.5hours DC5V 2Acharging
Battery duration ≥80hours ≥120hours
Wireless communication Bluetooth (effective distance ≥ 10m) ZigBee(effective distance ≥50m) in the same space

Electrical Accuracy (One Year Calibration Period)

Measuring range PR721Series PR722Series Remark
0.0000~400.0000Ω 0.01%RD+5mΩ 0.004%RD+3mΩ 1mAExcitation current
0.000~20.000mV 0.01%RD+3μV Input impedance≥100MΩ
0.000~50.000mV 0.01%RD+5μV
0.00000~1.00000V 0.01%RD+20μV
Temperature Coefficient Resistance:5ppm/℃Voltage:10ppm/℃ Resistance:2ppm/℃Voltage:5ppm/℃ 5℃~50℃

Temperature Accuracy (Converted from Electrical Accuracy)

Sensor type PR721Series PR722Series Resolution
Pt100 ±0.04℃@0℃±0.05℃@100℃±0.07℃@300℃ ±0.02℃@0℃±0.02℃@100℃±0.03℃@300℃ 0.001℃
Type S thermocouple ±0.5℃@300℃±0.4℃@600℃±0.5℃@1000℃ 0.01℃
Type Nthermocouple ±0.2℃@300℃±0.3℃@600℃±0.3℃@1000℃ 0.01℃
Reference junction compensation ±0.15℃@RT±0.20℃@RT±20℃ 0.01℃

Product detail pictures:

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

2022 Good Quality	Reference Thermometers	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures


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Fast and superior quotations, informed advisers to help you choose the correct merchandise that suits all your requirements, a short generation time, responsible quality control and different services for paying and shipping affairs for 2022 Good Quality Reference Thermometers - PR721/PR722 Series Precision Digital Thermometer – Panran , The product will supply to all over the world, such as: Tajikistan, Florida, Guinea, We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products and solutions for our customers.
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
5 Stars By Marcie Green from Belgium - 2018.06.09 12:42
High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
5 Stars By Ida from French - 2017.11.29 11:09