PR750/751 series high precision temperature and humidity recorder

Short Description:

PR750 / 751 series high precision temperature and humidity recorder is suitable for temperature and humidity test and calibration in large space from – 30 ℃ to 60 ℃. It integrates temperature and humidity measurement, display, storage and wireless communication.


Product Detail

Product Tags

Intelligent solution for temperature and humidity measurement in high and low temperature environment

Keywords:

High precision wireless temperature&humidity measurement

Remote data monitoring

Built-in storage and USB flash drive mode

High and low temperature environment temperature and humidity measurement in large space

PR750 series high-precision temperature and humidity recorder (hereinafter referred to as “recorder”) is suitable for temperature and humidity testing and calibration of large-space environment in the range of -30℃~60℃. It integrates temperature and humidity measurement, display, storage and wireless communication. The appearance is small and portable, its use is very flexible. It can be combined with PC, PR2002 Wireless Repeaters and PR190A data server to form the various testing systems that are suitable for temperature and humidity measurement in different environment.

I Features

 Distributed Temperature and Humidity Measurement

A 2.4G wireless LAN is established through the PR190A data server, and one wireless LAN can accommodate up to 254 temperature and humidity recorders. When using, just place or hang the recorder in the corresponding position, and the recorder will automatically collect and store temperature and humidity data at preset time intervals.

Signal Blind Spots can be Eliminated

If the measurement space is large or there are many obstructions in the space to cause degraded communication quality, the signal strength of WLAN can be improved by adding some repeaters (PR2002 Wireless Repeaters). which can effectively solve the problem of wireless signal coverage in large space or irregular space.

Software and Hardware Design to Ensure the Reliability of Test Data

In the case of abnormal or missing data sent and received by the wireless network, the system will automatically query and supplement the missing data. Even if the recorder is offline during the entire recording process, the data can be supplemented in the U disk mode later, which can be used for Users provide complete raw data.

Excellent Full-scale Temperature and Humidity Accuracy

In order to meet the diverse calibration needs of users, different models of recorders use temperature and humidity measuring elements with different principles, which have excellent measurement accuracy in their full range, providing reliable guarantee for temperature and humidity traceability and calibration.

Low power Consumption Design

PR750A can work continuously for more than 85 hours under the setting of one minute sampling period, while PR751 series products can work continuously for more than 200 hours. The working time can be further increased by configuring longer sampling period.

Built in Storage and U Disk Mode

Built-in FLASH memory, can store more than 50 days of measurement data. And can charge or transfer data through Micro USB interface. After connecting to the PC, the recorder can be used as a U disk for data copying and editing, which is convenient for fast processing of test data when the local wireless network is abnormal.

Flexible and Easy to Operate

No other peripherals are needed to view the current temperature and humidity value, power, network number, address and other information, which is convenient for users to debug before networking. Furthermore, users can easily configure different environmental temperature and humidity calibration systems according to the actual needs.

Excellent Software Features

The recorder is equipped with professional temperature and humidity acquisition software. In addition to the regular display of various real-time data, curves and data storage and other basic functions, it also has visual layout configuration, real-time temperature and humidity cloud map display, data processing, and report output functions. The software can perform automated calibration of temperature and humidity parameters in constant temperature and humidity laboratories according to JJF 2058-2023 Calibration Specification for Environmental Parameters in Constant Temperature and Humidity Laboratories.

Remote Monitoring can be Realized with PANRAN Smart Metrology

All the original data in the whole test process will be sent to the cloud server through network in real time,The user can monitor the test data, test status and data quality in real time on the RANRAN smart metrology app, and can also view and output historical test data to establish a cloud data center, and provide users with long term data cloud storage, cloud computing and other services.

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Basic Parameters

Model

PR750A

PR751A

PR751B

PR752A

PR752B

Name

High precision temperature and

humidity recorder

High precision temperature recorder

Sensor

Straight rod type φ12×38mm

Straight rod type φ4×38mm

Soft wire type φ4×300mm

Dimensions

φ38×48mm75mm including sensor height

Weight

80g

78g

84g

Battery Duration

85 hours3.5days

200 hours8 days

Charging Time

1.5 hours

3 hours

Battery Type

Rechargeable lithium batteries

Battery Specifications

3.7V 650mAh

3.7V 1300mAh

Data Storage Capacity

2MB (store 60K sets of data)

2MB 2MB (store 80K sets of data)

Effective Communication Distance

Linear distance from transmitter≧30m

Wireless Communication

2.4G (using ZIGBEE protocol) 

Charging Interface

Standard Micro USB

Calibration Cycle

1 year

Measurement Parameters

Model

PR750A

PR751A

PR752A

PR751B

PR752B

Measurement Range

-30℃60℃

-30℃60℃

0%RH100%RH

Resolution

0.01℃  0.01%RH

0.01℃

Temperature Accuracy

[Note 1][Note 2]

±0.1℃ @530

±0.07℃ @530

±0.2℃

±0.2℃ @-3060

±0.10℃ @-3060

Humidity Accuracy

±1.5%RH @530

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±3.0%RH @-3060

Note 1: For calibration of PR750/751 recorders, the entire recorder unit must be fully immersed in a constant-temperature environment.

Note 2: PR752 recorders employ a probe immersion method in liquid bath calibration. Considering the impact of ambient temperature on the recorder mainframe, additional measurement errors may occur when operating in non-ambient conditions.

System-Complementary Products & Technical Profiles

No.

System-complementary product names

Remarks

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PR190A Data Server

Features cloud-enabled capability, serving as a direct alternative to pc hosts

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PR2002 Wireless Repeater

Extends coverage of local wireless LAN

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PR6001 Wireless Transmitter

When connected to a pc, the device can take control of the local wireless LAN as the host unit

PR190A Data Server

PR190A data server is a key component to realize the data interaction between  recorders and cloud server, It can automatically set up a LAN without any peripherals and replace the general PC. It can also upload real-time temperature and humidity data to the cloud server through WLAN or wired network for remote data monitoring and data processing.

Model

PR190A Data Server

Memory

4GB

FLASH Memory

128GB

Display

10.1” 1280*800 IPS/10 capacitive touch screen (glove touch can be supported)

Wireless

GPS, Bluetooth, WLAN, ZigBee   

Battery

7.4V/5000mAH/Removable battery

I/O Interface

TF card holder of memory cardx1, USB 3.0×1, Micro USB2.0×1, Earphone/Microphone jackx1, DC power interfacex1, Mini HDMI interface x1, Pogo Pin interface(12pin) x1, RS232 serial portx1, RJ45x1

Power Supply Adapter

InputAC 100~240VAC, 50/60HZOutputDC 19V2.1A

Dimension

 278X186X26mmL×W×T

Weight

1.28kg with external AC adapters

Working/Storage

Temperature

Working temperature-1060℃   Storage temperature-30℃~70℃/Humidity : 95 %RH no-condensation      

Model

PR190A Data Server

Memory

4GB

FLASH Memory

128GB

Display

10.1” 1280*800 IPS/10 capacitive touch screen (glove touch can be supported)

Wireless

GPS, Bluetooth, WLAN, ZigBee   

Battery

7.4V/5000mAH/Removable battery

I/O Interface

TF card holder of memory cardx1, USB 3.0×1, Micro USB2.0×1, Earphone/Microphone jackx1, DC power interfacex1, Mini HDMI interface x1, Pogo Pin interface(12pin) x1, RS232 serial portx1, RJ45x1

Power Supply Adapter

InputAC 100~240VAC, 50/60HZOutputDC 19V2.1A

Dimension

 278X186X26mmL×W×T

Weight

1.28kg with external AC adapters

Working/Storage

Temperature

Working temperature-1060℃   Storage temperature-30℃~70℃/Humidity : 95 %RH no-condensation      

微信图片_20250910143522_759_8

PR2002 Wireless Repeater 

PR2002 wireless repeater is used to extend the communication distance of 2.4G wireless network based on zigbee communication protocol.With built-in 6500mAh large-capacity lithium battery, the repeater can work continuously for about 7 days. PR2002 wireless repeater will automatically connect the network with the same network number, the recorder in the network will automatically connect to the repeater according to the strength of the signal.

The effective communication distance of the PR2002 wireless repeater is much longer than the transmission distance of the low-power transmission module built in the recorder.Under open conditions, the ultimate communication distance between the two PR2002 wireless repeaters can reach 500m.

Model

PR2002 wireless repeater

Radio Transmitting Power

23dBm

Maximum Transmission Rate

250kbps

The Battery Specification

3.7V 6800mAH

The Charging Interface

Micro USB

External Dimensions (excluding Antenna)

71×27×88mmL×W×H

Weight

220g

Working/Storage Temperature

-1060℃1090%RH non-condensing

微信图片_20250910144228_760_8 

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