Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C - Temperature & Humidity Data Loggers
EXTECHTemperature & Humidity Data Loggers

EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C

The EXTECH SD500-NIST is a temperature and humidity data logger that measures relative humidity from 10% to 90% and temperature from 32°F to 122°F (0°C to 50°C). It records data on an SD card in Excel format for easy…

SKU 3G-OTH-167588

Also listed as: SD500NIST · SD500 NIST

Brand
EXTECH
Item
Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C
Category
Temperature & Humidity Data Loggers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
SD500-NIST
Type
32°F to 122°F, 0°C to 50°C, Included, NIST
Features
This Humidity/ Temperature Datalogger Records Data on an SD Card in Excel Format for Easy Transfer to a PC for Analysis
Includes
(6) AAA Batteries
Interface
RS-232
Data Logger Type
Temperature
Software Options
Software Available Separately
Parameters Measured
Relative Humidity

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH SD500-NIST is a temperature and humidity data logger that measures relative humidity from 10% to 90% and temperature from 32°F to 122°F (0°C to 50°C). It records data on an SD card in Excel format for easy transfer to a PC, and includes an RS-232 interface. The unit comes with six AAA batteries and is NIST-certified; software is available separately.

Frequently Asked Questions

What is the EXTECH SD500-NIST data logger used for?

The EXTECH SD500-NIST is used for monitoring and recording temperature and relative humidity in environments like HVAC systems, clean rooms, and storage facilities. It logs data directly to an SD card in Excel format for easy PC analysis, making it ideal for compliance and quality assurance.

What are the specifications of the EXTECH SD500-NIST?

The EXTECH SD500-NIST measures relative humidity from 10% to 90% and temperature from 32°F to 122°F (0°C to 50°C). It features an RS-232 interface, logs data on an SD card in Excel format, includes six AAA batteries, and is NIST-certified. Software is available separately.

Where to buy the EXTECH SD500-NIST worldwide?

You can source the EXTECH SD500-NIST through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this NIST-certified data logger to procurement teams globally.

How to set up the EXTECH SD500-NIST data logger?

Insert an SD card, install six AAA batteries, and power on the unit. The EXTECH SD500-NIST automatically logs temperature and humidity data in Excel format. For PC analysis, transfer the SD card or use the RS-232 interface. Software is available separately for advanced configuration.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH temperature & humidity data loggers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C, SD500, RS-232
EXTECH
EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C, SD500, RS-232
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -40°F to 158°F, -40°C to 70°C, RHT20, USB
EXTECH
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -40°F to 158°F, -40°C to 70°C, RHT20, USB
EXTECH Temperature Humidity Meter: Cabled, Ambient Temp/Dew Point/Relative Humidity/Wet Bulb Temp (MPN SDL500)
EXTECH
EXTECH Temperature Humidity Meter: Cabled, Ambient Temp/Dew Point/Relative Humidity/Wet Bulb Temp (MPN SDL500)
EXTECH Psychrometer: Onboard, Ambient Temp/Dew Point/Relative Humidity/Wet Bulb Temp, -22°F to 199°F (MPN RH390)
EXTECH
EXTECH Psychrometer: Onboard, Ambient Temp/Dew Point/Relative Humidity/Wet Bulb Temp, -22°F to 199°F (MPN RH390)
EXTECH Hygro Thermometer Psychrometer: Onboard, Included, 9 in x 2.2 in x 1.7 in, -4°F to 122°F (MPN RH350-NIST)
EXTECH
EXTECH Hygro Thermometer Psychrometer: Onboard, Included, 9 in x 2.2 in x 1.7 in, -4°F to 122°F (MPN RH350-NIST)

More from EXTECH

View all EXTECH parts
EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C, SD700, RS-232
EXTECH
EXTECH Data Logger: 10%to 90% Relative Humidity Measured, 32°F to 122°F, 0°C to 50°C, SD700, RS-232
EXTECH Humidity Data Logger: 10%to 95% Relative Humidity Measured, -4°F to 176°F, -20°C to 80°C, USB (MPN RH550)
EXTECH
EXTECH Humidity Data Logger: 10%to 95% Relative Humidity Measured, -4°F to 176°F, -20°C to 80°C, USB (MPN RH550)
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -4°F to 158°F, -20°C to 70°C, 42280A, USB
EXTECH
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -4°F to 158°F, -20°C to 70°C, 42280A, USB
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -40°F to 158°F, -40°C to 70°C, RHT10, USB
EXTECH
EXTECH Data Logger: 0%to 100% Relative Humidity Measured, -40°F to 158°F, -40°C to 70°C, RHT10, USB
EXTECH Air Quality Monitor Data Logger: 0.1%to 99.9% Relative Humidity Measured, 14°F to 140°F (MPN CO220)
EXTECH
EXTECH Air Quality Monitor Data Logger: 0.1%to 99.9% Relative Humidity Measured, 14°F to 140°F (MPN CO220)
EXTECH Data Logger: VB300, Acceleration, 0 Probes Included, USB, Magnetized Bolt-on Mounting Base
EXTECH
EXTECH Data Logger: VB300, Acceleration, 0 Probes Included, USB, Magnetized Bolt-on Mounting Base
EXTECH Indoor Air Quality Meter: 0.1%to 99.9% Relative Humidity Measured, 14°F to 140°F, CO210, USB
EXTECH
EXTECH Indoor Air Quality Meter: 0.1%to 99.9% Relative Humidity Measured, 14°F to 140°F, CO210, USB
EXTECH Air Quality Data Logger: 0.1%to 90% Relative Humidity Measured, 14°F to 140°F, -5°C to 50°C (MPN CO100)
EXTECH
EXTECH Air Quality Data Logger: 0.1%to 90% Relative Humidity Measured, 14°F to 140°F, -5°C to 50°C (MPN CO100)