Good quality Reference Thermometer Calibration - PR721/PR722 Series Precision Digital Thermometer – Panran

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As for aggressive costs, we believe that you will be searching far and wide for anything that can beat us. We can state with absolute certainty that for such high-quality at such rates we have been the lowest around for Field Drywell Calibrators, Pressure Test & Calibration Pumps, High Pressure Water Pressure Calibration Pump, As an expert specialized in this field, we are committed to solving any problem of high temperature protection for users.
Good quality Reference Thermometer Calibration - 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:

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures

Good quality	Reference Thermometer Calibration	- PR721/PR722 Series Precision Digital Thermometer – Panran detail pictures


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As for competitive charges, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we have been the lowest around for Good quality Reference Thermometer Calibration - PR721/PR722 Series Precision Digital Thermometer – Panran , The product will supply to all over the world, such as: Jordan, Estonia, Panama, Good quality and reasonable price have brought us stable customers and high reputation. Providing 'Quality Products, Excellent Service, Competitive Prices and Prompt Delivery', we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We will work whole-heartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.
It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
5 Stars By Andrew Forrest from Bangladesh - 2018.10.09 19:07
We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
5 Stars By Hannah from Mexico - 2017.09.16 13:44