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Hygrotest 650 HP -20/120 for high humidity Technical data hygrotest 650

Housing:

Teflon cap Probe lengthStandard: 210 mm Optional: 80..500 mm Ø12 mmAdditional Pt1000 to compensatethe “micro-climate” Ø3 mm

Material/Colour:Die-cast zinc, nickel-plated, burnished, varnished Dimensions:130 X 140 X 54 mm

Heating resistanceon the rear side,constant warming by 5 Ktesto humidity sensor B

Screw connections:2 x M 16x1.5 stainless steel screw connection Electrical connections:2 x 4-pole screw connector in housing Protection class:IP 65 Operating t temperature: Electronics (Housing):-20 to+70 °C Display:-20 to+60 °C Ambient c conditions: Probe operating pressure range:-1 to+10 bar

AB

Storage temperature:-40 to+80 °C Probe flow resistance:30 m/s, with sintered stainless steel filter Sensor:

2 analog outputs (0 to 20 mA, 4 to 20mA, 0 to 1 V, 0 to 10 V), all 4-wire

Humidity:Testo humidity sensor Response time:t90 10 to20 sec. Temperature:Pt 1000 Class A Measuring r range: Humidity:0 to100% RH Humidity calibration points:11.3 %RH, 75.3 %RH at 25 °C Temperature:hygrotest 650 WHT-40 to+80 °C hygrotest 650 DHT-40 to+120°C hygrotest 650 PHT-40 to+180 °C

A

hygrotest 650 HP-20 to+120 °C Accuracy:

The i industrial t transmitter h hygrotest 6 650

Humidity:± 2 % RH, optional ± 1 % RH (betw. 10 to 90 %RH in the range +15 to+30 °C)

Optionally the transmitters of the hygrotest 650 series are availablewith a precision of ±1 %RH. The very robust, easy-to-clean metal housing optimally protects the transmitter from environmental influences. The length of the cables and probes can be adapted to suit customer requirements. Probes and sensors are heat resistant up to temperatures of +180 °C. Various humidity variables such as dew point, absolute humidity, relative humidity or psychrometer humidity temperature can be calculated and displayed with the help of the integrated Mollier diagram. The threepossible combina- tions

In 650 HP: ± 2.5% RH Temp. coefficient humidity:± 0.03 %RH / K; (at temperatures deviating from 25 °C) Temperature:±0.2 °C to DIN EN 60751 Class A Resolution:0.1 %RH and 0.1 °C Outputs: Analog output:4 to20 mA (2-wire system) 0 to20 mA, (4-wire system) 0 to1 V, (4-wire system) 0 to10 V, (4-wire system) 4 to20 mA (4-wire system, only with HP) Resolution:5 µA (0 to20 mA; 4 to20 mA) 250 µV (0 to1 V) 2.5 mV (0 to10 V) Drift (analog):0.35 µA / K (0 to20 mA; 4 to20 mA) 17.5 µV / K (0 to1 V) 75 µV / K (0 to10 V) Zero shift: 30 µA (0 to20 mA) as well as HP versions (4 to20 mA / 0 to20 mA) (analog)1.5 mV (0 to1V) 15 mV (0 to10V) 2 x 2 switch outputs:Optional in combination with display H5 or H6 Digital output:RS232 output RS485 output, optional in connection with display H3, H4 or H5 Power:24 VDC (12 to30 VDC) Max. load without or500 Ohm (0 to20 mA); with display H2/H4/H5/H6500 Ohm (4 to20 mA) Max. load with display50 Ohm (0 to20 mA); 50 Ohm (4 to20 mA) H1Power supply min. 20 VDC Power consumption:Max. 2 x 21 mA (4 to20 mA) Max. 2 x 22 mA (0 to20 mA; 0 to1 V; 0 to10V)

Constant humidity and temperature in cleanrooms guarantee optimum product quality.

EMC:In accordance with guideline 89/336 EEC All d data r relate t to a a n nominal t temperature o of + +25 ° °C. Probes: VersionMaterialDiameterLength i incl.Sensor p protection c cap Protection c cap 650 WHT -20/70Stainless steel12 mm65 mmOpen stainless protective cap

Channel 1Channel 2

650 DHT -20/120Stainless steel12 mm200 mmSintered stainless steel filter

Parameter %RHT

650 PHT -40/80Stainless steel12 mm210 mmSintered stainless steel filter

Range °Ctd, g/kg, g/m

, WBT

650 PHT -40/120Stainless steel12 mm210 mmSintered stainless steel filter

Output % RH°Ctd, g/kg, g/m

, WB

650 PHT -20/120Stainless steel12 mm210 mmSintered stainless steel filter

0/4 to 20 mA0/4 to 20 mA

650 HP -20/120Stainless steel12 mm210 mmTeflon filter

0 to 1/10 V0 to 1/10 V

Temperature probe with hygrotest 650 HP: Stainless steel 1.4571 bare, 210 mm long, Ø3 mm,

Freely scalableFreely scalable

Probe cable length, 2 m standard or special cable length, 0.8 to10 m