Testo Humidity and Pressure Probes
Starting at $316.00
Starting at $284.40

Not in stock. Usually ships in 3-5 business days [?]

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This product is an accessory for the following products:

Testo 645 Humidity Meter
Long-term stable, highly accurate humidity sensor, data analysis using comSoft 3
$809.00
$728.10
Testo 400 Reference Meter & Logger
Multi-function reference instrument with data logging and PC communications
RETIRED
Testo 400 Reference Meter & Logger
Multi-function reference instrument with data logging and PC communications
RETIRED
Testo 650 Humidity Meter
Reference class humidity measuring instrument with an accuracy of ±0.01 AW
RETIRED

The Testo humidity and pressure probes are designed for use with Testo 400 and 650 reference meters. The probes are available in a wide range of styles with features suitable for a wide range of applications.

The Testo humidity and pressure probes are not compatible across all meter models. Many of the probes require a connection cable. Please consult the datasheet or contact us for additional information.

Testo Air Probes:

Model Description Accuracy Connection
0636 9740 Standard indoor air quality probe ±2% RH requires cable
0636 2130 Thin humidity probe (4 mm) ±2% RH requires cable
0636 9741 High accuracy probe up to ±1% RH requires cable

Testo Material and Equilibrium Pressure Probes:

Model Description Accuracy Connection
0628 0013 Flexible RH probe w/ 60" cable ±2% RH requires cable
0636 0340 Sword probe for stacked material ±2% RH requires cable

Testo Differential Pressure Probes:

Model Description Range Connection
0638 1347 Precision probe in metal housing 0 to 0.4 inH2O requires cable
0638 1447 Precision probe in metal housing 0 to 4 inH2O requires cable
0638 1547 Precision probe in metal housing 0 to 40 inH2O requires cable
0638 1647 Precision probe in metal housing 0 to 400 inH2O requires cable

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

Testo Probe Connection Cables
5 or 16 foot probe connection cables for Testo 400 & Testo 645 meters
$65.00
$58.50