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HVAC + Refrigeration

Optimize airflow and diagnose system performance with precision instruments built for HVAC/R professionals.

Sper Scientific tools help you reduce energy costs, improve occupant comfort, and maintain building safety.

  • Airflow & Anemometers: Measure air velocity and volume flow to balance duct systems and verify ventilation performance.
  • Temperature & Humidity: Hygrometers and psychrometers for ambient condition monitoring, dew point analysis, and moisture control.
  • Thermal Imaging: Infrared cameras and thermometers to detect heat loss, insulation gaps, refrigerant leaks, and equipment hot spots.
  • Pressure & Differential: Manometers and differential pressure meters to measure static pressure, room relationships, and filter resistance.
  • Refrigeration Diagnostics: Temperature and pressure tools for verifying refrigerant charge, superheat, and subcooling.

From system commissioning and HVAC balancing to predictive maintenance and energy audits, Sper Scientific delivers the measurement accuracy HVAC/R technicians depend on.

HVAC + Refrigeration | Sper Scientific Direct

161 products

TL-25a | Replacement Test Leads - Sanwa-America.com

Sanwa

TL-25a

TL-25a | Replacement Test Leads

Regular price $29.33 USD
Sale price Regular price
TL-61 | Test Lead - Sanwa-America.com

Sanwa

TL-61

TL-61 | Test Leads for YX-361TR + SP20

Regular price $17.94 USD
Sale price Regular price
TL-91 | Test Lead - Sanwa-America.com

Sanwa

TL-91

TL-91 | Test Leads

Regular price $18.34 USD
Sale price Regular price
TL-112a | Test Lead - Sanwa-America.com

Sanwa

TL-112a

TL-112a | Test Leads for MG500 + MG5000

Regular price $33.81 USD
Sale price Regular price
TLF-120 | Replacement Test Leads with Built-in Fuse - Sanwa-America.com

Sanwa

TLF-120

TLF-120 | Replacement Test Leads with Built-in Fuse

Regular price $65.21 USD
Sale price Regular price
TL-BP | Test Lead : Breaker Probe set - Sanwa-America.com

Sanwa

TL-BP

TL-BP | Test Lead : Breaker Probe et

Regular price $41.86 USD
Sale price Regular price
CL-27 | Adapter: Alligator Clip - Sanwa-America.com

Sanwa

CL-27

CL-27 | Adapter: Alligator Clip

Regular price $25.76 USD
Sale price Regular price
MC-2 | Adapter: Safety Alligator Clip - Sanwa-America.com

Sanwa

MC-2

MC-2 | Adapter: Safety Alligator Clip

Regular price $77.50 USD
Sale price Regular price
CL-14 | Adapter: Alligator Clip - Sanwa-America.com

Sanwa

CL-14

CL-14 | Alligator Clip Adapters

Regular price $15.18 USD
Sale price Regular price
CL-15a | Alligator Clip Adapter - Sanwa-America.com

Sanwa

CL-15a

CL-15a | Alligator Clip Adapter

Regular price $23.81 USD
Sale price Regular price
TL-9IC | Adapter: IC Clip - Sanwa-America.com

Sanwa

TL-9IC

TL-9IC | Adapter: IC Clip

Regular price $16.91 USD
Sale price Regular price
TL-A7M2 | Adapter: Pin Type Adapter - Sanwa-America.com

Sanwa

TL-A7M2

TL-A7M2 | Pin Type Adapters

Regular price $14.89 USD
Sale price Regular price
HFE-6T | Adapter: HFE Connector - Sanwa-America.com

Sanwa

HFE-6T

HFE-6T | Adapter: HFE Connector

Regular price $24.09 USD
Sale price Regular price
CL-700SMD | Adapter: Clip Lead - Sanwa-America.com

Sanwa

CL-700SMD

CL-700SMD | Clip Lead Adapter - Tweezers Type

Regular price $72.45 USD
Sale price Regular price
HM-1 | Hanger Magnet - Sanwa-America.com

Sanwa

HM-1

HM-1 | Hanger Magnet for Sanwa CD800B/CD800F

Regular price $28.69 USD
Sale price Regular price
C-CA | Carrying Case - Sanwa-America.com

Sanwa

C-CA

C-CA | Carrying Case

Regular price $45.54 USD
Sale price Regular price
C-PC7 | Carrying Case - Sanwa-America.com

Sanwa

C-PC7

C-PC7 | Carrying Case

Regular price $68.64 USD
Sale price Regular price
C-PM3 | Folding Case/Cover - Sanwa-America.com

Sanwa

C-PM3

C-PM3 | Folding Case/Cover

Regular price $16.04 USD
Sale price Regular price
C-SP | Carrying Case - Sanwa-America.com

Sanwa

C-SP

C-SP | Carrying Case

Regular price $38.10 USD
Sale price Regular price
C-77 | Carrying Case - Sanwa-America.com

Sanwa

C-77

C-77 | Carrying Case

Regular price $49.34 USD
Sale price Regular price
KB-USB20 | Optical link: USB PC Connection Cable - Sanwa-America.com

Sanwa

KB-USB20

KB-USB20 | Optical link: USB PC Connection Cable

Regular price $63.80 USD
Sale price Regular price
KB-USB773 | Optical link: USB PC Connection Cable - Sanwa-America.com

Sanwa

KB-USB773

KB-USB773 | Optical link: USB PC Connection Cable

Regular price $53.90 USD
Sale price Regular price
LCR-USB | Optical link: LCR USB connection unit - Sanwa-America.com

Sanwa

LCR-USB

LCR-USB | Optical Link: LCR-USB Connector

Regular price $98.29 USD
Sale price Regular price
KB-USB7 | Optical link: USB PC Connection Cable - Sanwa-America.com

Sanwa

KB-USB7

KB-USB7 | Optical link: USB PC Connection Cable

Regular price $148.50 USD
Sale price Regular price
T-THP | Temperature Sensor

Sanwa

T-THP

T-THP | Temperature Sensor

Regular price $94.60 USD
Sale price Regular price
K-AD | Adapter (for Type K Thermocouple) - Sanwa-America.com

Sanwa

K-AD

K-AD | Adapter for Type K Thermocouple

Regular price $21.95 USD
Sale price Regular price
ENC-3 | Contact measurement attachment (for Tachometer) - Sanwa-America.com

Sanwa

ENC-3

ENC-3 | Contact Measurement Attachment (for SE300 Tachometer)

Regular price $93.84 USD
Sale price Regular price
YX361TR | Analog Multimeter - Variety of Measurement Functions using 24 Contact Switch - Sanwa-America.com

Sanwa

YX361TR

YX361TR | Analog Multimeter - Variety of Measurement Functions using 24 Contact Switch

Regular price $124.03 USD
Sale price Regular price
VS-100 | Analog Multimeter - Current-Limiting Fuse with 100kA of Breaking Current - Sanwa-America.com

Sanwa

VS-100

VS-100 | Analog Multimeter - Current-Limiting Fuse with 100kA of Breaking Current

Regular price $274.87 USD
Sale price Regular price
SP21 | Analog Multimeter with Continuity Check Beeper - Sanwa-America.com

Sanwa

SP21

SP21 | Analog Multimeter with Continuity Check Beeper

Regular price $98.01 USD
Sale price Regular price
SP20 | Analog Multimeter with Continuity Check Beeper - Sanwa-America.com

Sanwa

SP20

SP20 | Analog Multimeter with High Voltage DC and Battery Check

Regular price $80.17 USD
Sale price Regular price
SP-18D | Analog Multimeter with Built-In Case - Sanwa-America.com

Sanwa

SP-18D

SP-18D | Analog Multimeter with Built-In Case

Regular price $77.14 USD
Sale price Regular price
SE9100 | Speed Meter Speedometer for Elevators + Escalators - Sanwa-America.com

Sanwa

SE9100

SE9100 | Speed Meter Speedometer for Elevators + Escalators

Regular price $981.46 USD
Sale price Regular price
SE300 | Digital Rotational Tachometer - Non-Contact - Sanwa-America.com

Sanwa

SE300

SE300 | Digital Rotational Tachometer - Non-Contact

Regular price $295.19 USD
Sale price Regular price
RD701 | Digital Multimeter with True RMS + High Input Impedance - Sanwa-America.com

Sanwa

RD701

RD701 | Digital Multimeter with True RMS + High Input Impedance

Regular price $163.74 USD
Sale price Regular price
PM33a | Pocket Size Hybrid Digital Multimeter + Clamp Meter - Sanwa-America.com

Sanwa

PM33a

PM33a | Pocket Size Hybrid Digital Multimeter + Clamp Meter

Regular price $208.75 USD
Sale price Regular price