Hygrometer

Universal application thermohygrometer with outdoor probe and stand/attachment device. Accessory wall mounting (screws or adhesive tape) are available on request.

Specifications
Measuring range:	0 ... 50 °C switchable to °F 20 ... 99 R.H.
Resolution:	0.1 °C 1% R.H.
Dimensions (W x D x H):	Approx. 65 x 2 x 97 mm

Continuous monitoring of indoor climate
The economic thermohygrometer testo 608-H1 measures humidity, temperature and dewpoint continuously. The large display is easy to read even at a distance. With wall mounting and table holder for flexible positioning.
The accurate testo 608-H2 alarm hygrometer reliably indicates when humidity and temperature limits have been exceeded, for example in greenhouses, warehouses, cleanrooms, museums, laboratories etc.

• Continuous display of temperature and humidity or dewpoint
• With dew point calculation and max/min display
• Battery monitoring

Additional features testo 608 H2:

• LED alarm, warns if limits are exceeded
• High accuracy ±2%rH

Specifications	testo 608-H1 // testo 608-H2
Measuring rate:	18sec
Power supply:	9V block battery
Dimensions:	111 x 90 x 40mm
Housing:	ABS
Display:	LCD, 2 lines
Sensor type NTC
Measuring range: Accuracy (at 25°C): Resolution:	0 ... 50 °C // -10 ... 70 °C ± 0.5 °C (±1 digit) 0.1 °C
Sensor type testo humidtiy sensor capacitive
Measuring range: Accuracy (at 25°C): Resolution:	10 ... 95 % rH // 2 ... 98 % rH ±3 % rH // ±2 % rH 0.1% rH
Operating temperature:	0 ... 50 °C // -10 ... 70 °C

• Very fast humidity sensor
• Dewpoint and max./min. function
• °C/°F-switchable
• Hi-Lo alarm with red warning LED

Specifications
Temperature
Measuring range:	-40°C to +70°C
Display resolution:	0.1°C
Accuracy:	±1°C
Humidity
Measuring range:	1% to 99% R.H.
Display resolution:	0.1%
Accuracy:	±4% from 35% to 75% remaining range ±5%
Working temperature:	-40°C to +70°C
Power supply:	2 x 1.5 Volt AAA
Dimensions:	105mm x 105mm x 44mm
Weight:	150g (incl. packaging)

Synthetic hair, spun metal case with dial and brass hanging ring.

Measuring range
Relative humidity:	0 to 100 %
Temperature:	-15 to 55 °C
Weight:	65 g

Alternative Thermohygrometer, Klimatherm

For simultaneous monitoring of indoor and outdoor temperature/humidity.

• Measurement of outdoor data via cable sensor (cable length approx. 1.5 m)
• Display of minimum and maximum values and observation over a freely selectable period of time
• Min-/Max function
• For hanging and standing

Scope of supply: Thermo-hygrometer, battery

Specifications
Temperature range:	-10 ... 60 °C
Temperature accuracy:	±0.8 °C at 10 ... 30 °C, otherwise ±1 °C
Temperature resolution:	0.1 °C
Humidity range:	10 ... 99 %
Humidity accuracy:	±3.5 % at 30 ... 80 %, otherwise ±5 %
Humidity resolution:	1 %
Power supply:	1 x 1.5 V AAA
Dimensions (W x D x H):	102 x 21 x 110 mm
Weight:	144 g

For standard atmospheric environment probe or separate humidity and temperature probes. With calibration protocol and battery. Without probe. The dew point value between the environmental air and surfaces can be determined with separate probes. Relative humidity and temperature are displayed simultaneously, the dew point is determined at the touch of a button. Data is documented using the accessory Testo logging printer.

Measuring ranges:
Combination probe:	0 to 100 %R.H. -20 to +140 °C -50 to +100 °C td (Dew point)
Temperature probe:	-50 to 1000 °C (NiCr-Ni)
Accuracy:	(Moisture see probe) -40 to +900 °C: ±1 °C, ±0.5 % Meas. value. ±2 °C, ±1 % Meas. value: rest of range

Accessories TC-Temperature probes for testo measuring instruments, TC plug type K Accessories Service case for thermohygrometer testo 635 and temperature meter testo 735 Accessories Plug-in mains adapter for thermohygrometer testo 635 and temperature meter testo 735 Accessories Radio module for testo measuring devices Accessories Radio handle for testo measuring devices Accessories Temperature probe heads for radio handle Accessories Humidity probe head for radio handle Accessories Magnetic probes for testo measuring instruments Accessories Pipe contact probe for testo measuring instruments Accessories Thermocouples with TC adapter for testo measuring instruments Accessories Immersion tip for testo measuring devices Accessories Fast printer IRDA for testo measuring devices Accessories Temperature probe for U-value determination Accessories Humidity/temperature probes for thermohygrometer testo 635 Accessories Pressure dew point probes for thermohygrometer testo 635

testo 605-H1:

• Precise measurement of air humidity, air temperature and dewpoint
• Easy read-out of measurement values thanks to bendable joint
• Delivery incl. attachment clip and battery

testo 605i:

• Compact professional measuring instrument from the Testo Smart Probes series, for use with smartphone/tablet
• Measurement of air humidity and temperature
• Measurement data analyzed and sent via testo Smart Probes App (free)
• Automatic calculation of dewpoint and wet bulb temperature via testo Smart Probes App

Specifications	NTC / Humidity - Capacitive
Measuring range:
605-H1:	0 ... +50 °C, -20 ... +50 °Ctd / 5 ... 95 %rH
605i:	-20 ... +60 °C / 0 ... 100 %rH
Accuracy (±1 digit):
605-H1:	±0.5 °C / ±3 %rH
605i:	±0.8 °C (-20 ... 0 °C), ±0.5 °C (0 ... +60 °C) / ±3.0 %rH (10 … 35 %rH) ±2.0 %rH (35 … 65 %rH) ±3.0 %rH (65 … 90 %rH) ±5 %rH (<10 %rH or > 90 %rH)
System requirements 506i:	requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Dimensions 506i:	243 x 30 x 24 mm 100 mm probe shaft
Battery type:	3 x AAA

In addition to temperature and humidity, the testo 622 also measures barometric pressure. The large, clear display indicates current readings, as well as the date and time. It thus provides all important values at a glance.

Specifications
Meas. units:	Temperature: °C,°F Humidity: % rH, td, wb Pressure: hPa, mbar, kPa, in Hg, in H2O, psi
Meas. range:	-10 to 60°C 0 to 100% rH 300 to 1200 hPa
Resolution:	0.1°C 0.1% rH 0.1 hPa
Accuracy ±1 digit:	±0.4°C ±2% rH at 25°C (10 to 90% rH) ±3% rH (rest of range) ±3hPA
Display:	LCD
Measuring rate:	10 secs
Alarm function:	LED alarm for too low or too high temperatur and/or humidity values Calibration reminder
Storage temp.:	-20 to 60°C
Oper. temp:	-10 to 60°C
Power supply:	4 x AA
Battery life:	12 months
Dimensions (L x W x H):	185 x 105 x 36mm
Weight:	240g (without batteries)

Spun metal case with dial, separate humidity and temperature indicators, and brass hanging ring.

Measuring range
Relative humidity:	15 to 100 %
Temperature:	0 to 40 °C
Weight:	61 g

Alternative Thermohygrometer, analogue

• The new testo 623 thermohygrometer displays current and past temperature and humidity values on a large, clear display.
• Histogram shows current and recent historical temperature or humidity values
• Large, highly legible display
• Curve display of the last 90 days

Specifications
Meas. units:	Temperature: °C, °F Humidity: % rH, td, wb
Meas. range:	-10 to 60°C 0 to 100% rH
Resolution:	0.1°C 0.1% rH
Accuracy ±1 digit:	±0.4°C ±2% rH at 25°C (10 to 90% rH) ±3% rH (rest of range) Time: ± 3 minutes/year
Display:	LCD
Measuring rate:	20 secs
Alarm function:	LED alarm for too low or too high temperatur and/or humidity values Calibration reminder
Storage temp.:	-20 to 60°C
Oper. temp:	-10 to 60°C
Power supply:	4 x AA
Battery life:	12 months
Dimensions (L x W x H):	185 x 105 x 36mm
Weight:	240g (without batteries)

For monitoring temperature and humidity. With display of min and max values.

• Permanent display of daily maximum and minimum values with automatic reset after 24 hours.
• Additional max/min memory with manual reset
• Calibration function
• Backlighting
• With magnet, stand and mounting hole
• Precision sensor
• Stainless steel frame

Specifications
Temperature range:	-20 ... 70 °C
Temperature accuracy:	±1 °C
Temperature resolution:	1 °C
Humidity range:	1 ... 99 %
Humidity accuracy:	±3 % at 35 ... 75 %, otherwise ±5 %
Humidity resolution:	1 %
Power supply:	2 x 1,5 V AAA (not included in scope of supply)
Dimensions (W x D x H):	74 x 26 x 90 mm
Weight:	106 g

For fast and precise determination of the pressure dew point for measurements in compressed air systems.

For monitoring indoor temperature and humidity.

• Large, easy-to-read display
• Display of maximum and minimum values
• °C/°F-switchable
• For hanging or standing

Scope of supply: Thermo-hygrometer, battery, operating instructions

Temperature range:	-10 ... 60 °C
Temperature accuracy:	±1 °C (-10 ... 50 °C)
Humidity range:	10 ... 99 % rH
Humidity accuracy:	±5 % (25 ... 75 % rH)
Dimensions (L x W x H):	102 x 21(50) x 110 mm
Weight:	122 g
Power supply:	1 x 1.5 V AAA

For wireless humidity and temperature measurements. Attachable to radio handle.

Measuring range Temperature:	-20 ... 70 °C
Accuracy:	±0.3 °C
Resolution:	0.1 °C
Measuring range Humidity:	0 ... 100 % RH
Accuracy:	±2 % RH (2 ... 98 % RH)
Resolution:	0.1 % RH

Handy measuring device with built-in NTC temperature sensor, and long-term stable capacitive humidity sensor for precise measurement of temperature and humidity indoors. Ideal for checking the indoor climate.

• Illuminated, easy-to-read display
• Calculation of dew point and wet bulb temperature
• Hold function
• Display of min./max. values
• Attachable protective cap, wrist strap, and belt pouch for safe storage

Scope of supply: Temperature/humidity meter, protective cap, belt pouch, calibration protocol, batteries

Temperature range:	-10 ... 50 °C
Accuracy:	±0.5 °C
Resolution:	0.1 °C
Humidity range:	0 ... 100 % rh
Accuracy:	±2.5 % rh (5 ... 95 % rh)
Resolution:	0.1 % rh
Power supply:	2 x AAA
IP code:	IP20

For wireless temperature measurements. Attachable to radio handle.

Temperature range:	-50 ... 350 °C (short-term up to 500 °C)
Accuracy:	±0.5 °C + 0.3 % of mv (-40 ... 500 °C), ±0.7 °C + 0.5 % of mv (remaining range)
Resolution:	0.1 °C (-50 ... 199.9 °C), 1.0 °C (remaining range)

For accurate long-time monitoring and documentation of temperature and humidity. The data is measured by the device, up to 8 additional wireless transmitters can be attached. With alarm function in case of exceeding or falling below the limit values for temperature and humidity.

• Memory for up to 50000 values, which can be transferred to the PC via a USB transceiver for documentation and evaluation
• Display of maximum and minimum values as well as dew point with date and time
• Connector for controlling external devices
• Free software for data evaluation available as download
• Integrated radio-controlled clock
• Can be placed onto a tabletop or fixed to the wall

Scope of supply: Thermo-Hygrometer, USB-Transceiver, 3 x AA-Batteries, Operating Instructions

Additional radio transmitters for measuring temperature and humidity are available separately.

Specifications
Temperature range:	0 ... 50 °C
Temperature resolution: Temperature measuring interval:	0.1 °C 15 seconds
Temperature accuracy:	±1 °C
Humidity range:	1 ... 99 %
Humidity resolution: Humidity measuring interval:	1 % 15 seconds
Humidity accuracy:	±3 % (35 ... 75 % r.H.) / ±5 % (76 ... 99 % r.H.)
Transceiver range: Housing material:	Max. 100 m ABS
Dimensions (W x D x H):	25 x 98 x 137 mm
Weight:	147 g
Power supply:	3 x AA 1.5 V

Accessories Wireless transmitters for KlimaLogg Pro Alternative Thermohygrometer, TA 100

Made of clear plastic, with holder for easier removing, easily readable scale. Each graduation mark = 1 mm (1 litre) precipitation per m².

Alternative Rain gauge, plastic

Radio module for upgrading measuring devices with radio option. Radio frequency 869.85 MHz.

Wireless transmitters to extend the professional thermo-hygrometer KlimaLogg Pro for external measurement of temperature and humidity. Up to 8 transmitters can be connected to and controlled with the KlimaLogg Pro. The transmitters can be placed onto a tabletop or fixed to the wall.

Thermo-hygro transmitter: With display for temperature and humidity
Temperature transmitter: With display for temperature. Eqipped with an additional external cable sensor

Specifications
Temperature range:	-40 ... 60 °C
Temperature resolution:	0.1 °C
Humidity range (only Thermo/Hygro transmitter):	1 ... 99 % r.H.
Humidity accuracy (only Thermo/Hygro transmitter):	1 %
Transfer interval:	10 sec.
Radio frequency:	868 MHz
Dimensions Thermo-hygro transmitter (W x D x H):	44 x 24 x 160 mm
Dimensions temperature transmitter (W x D x H):	41 x 23 x 128 mm
Power supply:	2 x AA 1.5 V

Radio handle for plug-in probe heads with TC adapter. For measuring temperature, as well as humidity and temperature. Transmission of the measured values to compatible testo measuring devices via radio technology.

Please order probe heads separately.

Radio coverage:	20 m
Power supply:	2 x CR 2032