Fluke 961A/961B/961C Temperature Humidity Logger

Fluke 961A/961B/961C Temperature Humidity Logger Specification

Measuring Range
0% to 100.0% RH

Temperature
-30 C to 70 C (the Logger

Operate Method
Internal

Operating Voltage
-30 C to 70 C (the Logger

Display Type
LCD digital

Application
Environmental monitoring

Data Memory
16,000 readings

Usage
Temperature, humidity logger

Accuracy
±3%RH, ±0.5°C

Resolution
0.1% RH / 0.1°C

Interface Type
USB port

Model Numbers
961A/961B/961C

Logger Type
Single/dual channel

Equipment Type
Data Logger

Humidity
0% to 100% RH

Features
Alarm, memory, LCD

Power Supply
3V lithium battery

Response Time
8 seconds

Mounting Type
Portable, handheld

Fluke 961A/961B/961C Temperature Humidity Logger Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
100 Pieces Per Day

Delivery Time
1 Days

Main Domestic Market
All India

About Fluke 961A/961B/961C Temperature Humidity Logger

Metro Instruments lists itself as a distributor/trader of Fluke instruments (meters, multimeters, clamp Fluke 961A/961B/961C Temperature Humidity Logger.

Key Features

USB interface generates direct PDF reports (no software required)
32,000 data points for long-term logging
10 s minimum logging interval captures rapid environment changes
FDA compliant, fully traceable data
Multiple export formats: PDF, Excel, TXT
1 m drop-tested, IP65 ingress protection
Compact & lightweight ideal for portable or long-term use

Recommended Applications:
Cold-chain transportation, cold storage validation, fresh food logistics, temporary transshipment, refrigerators, freezers, and ultra-low-temperature storage.

Detailed Specifications

Parameter	961A	961B	961C
Sensor Type	Internal	External	External
Temperature Range	30 C to 70 C	85 C to 150 C	40 C to 85 C
Temperature Accuracy	0.4 C	(0.3 + 0.005	reading
Resolution	0.1 C	0.1 C	0.1 C
Humidity Range	0 100 % RH	N/A	0 100 % RH
Humidity Accuracy	3 % RH (2080 % RH @ 25 C); 5 % RH (<20 %, >80 %)	N/A	3 % RH (2080 % RH @ 25 C); 5 % RH (<20 %, >80 %)
Humidity Resolution	0.1 % RH	N/A	0.1 % RH
Data Storage	32,000 readings	32,000 readings	32,000 readings
Logging Interval	10 s 24 hr	10 s 24 hr	10 s 24 hr
Start / Stop Mode	Button / Software	Button / Software	Button / Software
Alarm Thresholds	3 upper & 2 lower temperature; 1 upper & 1 lower humidity		Same as 961A
Report Format	Direct PDF (via USB), Excel, TXT (via software)
Battery Type	CR2450 1 cell
Battery Life	1 year (@ 15 min interval, 25 C)
Operating Temperature	30 C to 70 C
Altitude (Op.)	up to 2000 m
Ingress Protection	IP65
Weight (with battery)	60 g	88 g	78 g

Extensive Functionality and Precision

The Fluke 961 series loggers offer precise tracking of temperature and humidity for diverse applications. With an operating range of -30C to 70C and a response time of 8 seconds, these loggers deliver rapid, accurate data. The dual channel design (in select models) allows for flexible monitoring setups, all in a compact, handheld unit with an easy-to-read LCD interface.

User-Friendly Data Management and Portability

Equipped with 16,000 data memory readings and USB connectivity, this logger simplifies data collection and analysis. Its lightweight, portable design makes it ideal for both on-site and remote monitoring, and the internal operation method ensures straightforward usage. The logger's alarm and memory features provide real-time alerts and secure data storage, essential for compliance and quality assurance.

FAQ's of Fluke 961A/961B/961C Temperature Humidity Logger:

Q: How do I retrieve recorded data from the Fluke 961 series temperature humidity logger?

A: To retrieve recorded data, simply connect the logger to a computer via its USB port. The stored 16,000 readings can then be downloaded and analyzed using compatible software, streamlining your data management process.

Q: What environments are suitable for using the Fluke 961A/961B/961C logger?

A: This logger is designed for a range of environments that require temperature and humidity monitoring, including laboratories, storage facilities, greenhouses, and industrial sites. It operates efficiently between -30C and 70C and measures humidity from 0% to 100% RH.

Q: When should I use the alarm feature on this data logger?

A: The alarm feature is beneficial when you need to monitor critical thresholds for temperature or humidity. Set your desired limits, and the logger will alert you whenever readings exceed those parameters, ensuring timely intervention.

Q: What benefits does the LCD digital display offer in the Fluke 961 series logger?

A: The LCD digital display provides immediate, clear readings for both temperature and humidity, facilitating on-site checks without needing a secondary device. This enhances usability and speeds up routine monitoring tasks.

Q: How does the Fluke 961 logger ensure accuracy in environmental monitoring?

A: With an accuracy of 3% RH and 0.5C, along with a high-resolution measurement (0.1% RH/0.1C), the logger reliably captures subtle fluctuations, making it suitable for applications that demand precise environmental control.

Q: What is the process for operating the logger in a new environment?

A: Simply place the portable logger in the desired location, power it with the 3V lithium battery, and start monitoring. Its internal operation method and rapid 8-second response time allow for straightforward, real-time data collection.

Q: Is this logger available in India, and who can purchase it?

A: Yes, the Fluke 961A/961B/961C logger is available in India through distributors, manufacturers, suppliers, and traders. It is suitable for professionals in environmental monitoring, warehousing, research, and industrial applications.

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