testo 645

  • testo 645
  • testo 645
  • testo 645
  • testo 645
  • testo 645
  • testo 645
TESTO AG
testo 645, humidity/temperature measuring instrument, with TopSafe, battery and manual
 
Part #: 0560 6450

Description

The testo 645 humidity measuring instrument automatically displays the parameters relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature. Convenient data analysis on your PC with location name.

  • Highly accurate humidity meas. to ±1%RH
  • Internal data memory
  • Convenient data analysis
  • TopSafe for tough applications
  • Channel 1: Temperature probe Type K/J/S, NTC
  • Channel 2: Combi-probe humidity/temperature or temperature probe Pt100

PC Software

  • Stainless steel sintered cap, Ø 21 mm

    # 0554 0640

    Сan be screwed onto humidity probe (protection in case of high mechanical load and high velocities)

  • Stainless steel sintered cap, Ø 12 mm

    # 0554 0647

    It is screwed onto humidity probe (for measurements at high flow velocities or in contaminated air)

  • Metal protection cage, Ø 21 mm for humidity probes

    # 0554 0665

    (for velocities of less than 10 m/s)

  • Teflon sintered filter, Ø 21 mm, for corrosive substances

    # 0554 0666

    (high humidity range (long-term measurements), high velocities)

  • Wire mesh filter, Ø 21 mm

    # 0554 0667

    For metal protection cage and plastic cap (protects from dirt and damage. Applications: meteorology, splashwater, condensation)

  • Metal protection cage, Ø 12 mm for humidity probes

    # 0554 0755

    (for measurement in flow velocities of less than 10 m/s)

  • Teflon sintered filter, Ø 12 mm, for corrosive substances

    # 0554 0756

    (high humidity range (long-term measurements), high velocities)

  • Cap with wire mesh filter, Ø 12 mm

    # 0554 0757
  • Teflon sintered filter, ∅ 12 mm, for corrosive substances

    # 0554 0758

    (high humidity range (non-stop measurements), high flow speeds)

  • Teflon cap, Ø 5 mm, attachable, PTFE material, (5 off)

    # 0554 1031

    (Dust protection, high humidity measurements, high velocities)

  • Pipe wrap probe Type K (NiCr-Ni)

    # 0600 4593

    For pipes with diameter of up to 2", for flow/return temp. meas. in hydronic systems Meas. Range -60 to +130 °C

  • Roller surface probe Type K (NiCr-Ni)

    # 0600 5093

    For measurements on rollers and rotating drums, max. circumferential velocity 18 to 400m/min Meas. Range -50 to +240 °C

  • Plug-in measuring tip Type K (NiCr-Ni)

    # 0600 5393

    750mm long, flexible, for high temperatures, outer casing: stainless steel 1.4541 (Please order handle with Part no. 0600 5593) Meas. Range -200 to +900 °C

  • Plug-in measuring tip Type K (NiCr-Ni)

    # 0600 5493

    1200 mm long, flexible, for high temperatures, outer casing: stainless steel 1.4541 (Please order handle with Part no. 0600 5593) Meas. Range -200 to +900 °C

  • Spare meas. head Type K (NiCr-Ni)

    # 0602 0092

    For pipe wrap probe, TC Type K Meas. Range -60 to +130 °C

  • Quick-action surface probe with sprung thermocouple strip Type K (NiCr-Ni)

    # 0604 0194

    Мeasuring range short-term to +500°C (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +300 °C

  • Standard immersion/penetration probe Pt100

    # 0604 0273

    Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -200 to +400 °C

  • Standard immersion/penetration probe Pt100

    # 0604 0274

    Plug-in head, connection cable 0430 0143 or 0430 0145 required Meas. range -200 to +600 °C

  • Super quick-action immersion/penetration probe Type K (NiCr-Ni)

    # 0604 0493

    For measurements in liquids (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +600 °C

  • Super quick-action immersion/penetration probeType K (NiCr-Ni)

    # 0604 0593

    For high temperatures (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +1100 °C

  • Super quick-action surface probeType K (NiCr-Ni)

    # 0604 0994

    Probe tip at 90° angle, with sprung thermocouple strip (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +300 °C

  • Robust immersion/penetration probe Pt100

    # 0604 2573

    With sharpened measuring tip, waterproof and oven-proof Meas. range -200 to +400 °C

  • Super quick-action immersion/penetration probe Type K (NiCr-Ni)

    # 0604 9794

    For measurements in gases and liquids with a low-mass tip (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +600 °C

  • Robust surface probeType K (NiCr-Ni)

    # 0604 9893

    Аt 90° angle, suitable for inaccessible places (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +600 °C

  • Robust surface probe Pt100

    # 0604 9973

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -50 to +400 °C

  • Robust surface probe Type K (NiCr-Ni)

    # 0604 9993

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range -200 to +600 °C

  • Super quick-action immersion/penetration probe Type K (NiCr-Ni)

    Super quick-action immersion/penetration probe Type K (NiCr-Ni)

    # 0614 0493

    For measurements in liquids (Plug-in head, connection cable 0430 0143 or 0430 0145 required) With EEPROM; precision adjustment for each probe at a measuring point; measuring range limits are saved in probe Meas. Range -200 to +600 °C

  • Quick-action immersion/penetration probe Type K (NiCr-Ni)

    # 0614 0593

    For high temperatures Meas. Range -200 to +1100 °C

  • Robust surface probe Type K (NiCr-Ni)

    # 0614 9993

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) With EEPROM: precision adjustment for each probe at a measuring points;measuring range limits are saved in probe Meas. Range -200 to +600 °C

  • Highly accurate immersion/penetration probe Pt100

    # 0628 0015

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -100 to +400 °C

  • Flexible precision immersion probePt100

    # 0628 0016

    Сable heat-proof up to +300°C (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -100 to +265 °C

  • Robust surface probe Pt100

    # 0628 0018

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) With EEPROM: precision adjustment for each probe at a measuring point; measuring range limits are saved in probe Meas. range -50 to +400 °C

  • Velcro probe for pipes Pt100

    # 0628 0019

    With diameter of max. 75 mm Meas. range -50 to +150 °C

  • Robust high-temperature/humidity probe (up to +180 °C) -

    # 0628 0021
    Measuring range
    -20 to +180 °C
    0 to +100 %RH
    Accuracy
    ±0.4 °C (0.1 to +50 °C)
    0.5 °C (Remaining Range)
    ±2 %RH (+2 to +98 %RH)
    Reaction time
    30 s
     
    General technical data
    Technical data
     
    Length probe shaft
    300 mm
    Diameter probe shaft
    12 mm
     
    you need a plug-in head cable (0430 0143) for this probe
  • Flexible humidity probe (does not retain shape)

    # 0628 0022

    For measurements in inaccessible places (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +180 °C Meas. Range 0 to +100 %RH

  • Testo Water Activity (aW) Probe Assembly with Measurement Container

    # 0628 0024

    (Determines water activity) Meas. range -20 to +70 °C Meas. Range 0 to +100 %RH Meas. Range 0 to +1 aW

  • Thin humidity probe

    # 0636 2130

    Incl. 4 attachable protection caps for ambient air measurements, measurements in exhaust air ducts and equilibrium moisture measurements (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +70 °C Meas. Range 0 to +100 %RH

  • Robust humidity probe

    # 0636 2140

    For measuring equilibrium moisture or for measurements in exhaust ducts to +120°C (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +120 °C Meas. Range 0 to +100 %RH

  • High humidity level probe w/ heated sensor element, no humidity on sensor

    # 0636 2142
    Range     -20 дo +100 °C/ 0 дo +100 %RH
    Accuracy  ±2.5 %RH (0 to +100%RH)
                    ±0.4 °C (-10 .... +50 °C)
                    ±0.5 °C (-20 ....-10.1 °C)
                     ±0.5 °C (+50.1... +100 °C)  

     

     

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +100 °C Meas. Range 0 to +100 %RH

  • Standard ambient air probe up to +70°C

    # 0636 9740

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +70 °C Meas. Range 0 to +100 %RH

  • Highly accurate reference humidity/temp. probe

    # 0636 9741

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +70 °C Meas. Range 0 to +100 %RH

  • Humidity/temperature probe

    # 0636 9742

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. range -20 to +70 °C Meas. Range 0... +100 %RH

  • Standard pressure dew point probe for measurements in compressed air systems

    # 0636 9840

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range 0 to +100 %RH

  • Precision pressure dew point probe for measurements in compressed air systems

    # 0636 9841

    (Plug-in head, connection cable 0430 0143 or 0430 0145 required) Meas. Range 0 to +100 %RH

  • Thermocouple Type K (NiCr-Ni)

    # 0644 1109

    Мade of fibre-glass insulated thermal pipes, pack of 5 (Insulation: twin conductor, flat, oval, opposed and covered with fibre-glass, both conductors are wrapped together with fibre-glass and soaked with lacquer, please order adapter 0600 1693) Meas. Range -200 to +400 °C

  • Extension cable

    # 0409 0063

    5 m long, between plug-in head cable and instrument (PUR coating material)

  • RS 232 cable

    # 0409 0178

    Сonnects instrument to PC (1.8 m) for data transfer)

  • Cable, 1.5 m long

    # 0430 0143

    Сonnects CO2 probe with plug-in head to meas. instrument (PUR coating material)

  • 9V rech. battery for instrument

    # 0515 0025

    (instead of battery)

  • Transport case, plastic

    # 0516 0445

    For measuring instrument, probes and accessories (now larger for safe and orderly storage)

  • Testo fast printer

    # 0554 0549

    With wireless infrared interface, 1 roll thermal paper and 4 AA batteries (for printing out measurements on site)

  • Spare thermal paper for printer (6 rolls

    # 0554 0568

    (measurement data documentation legible for up to 10 years)

  • testo saline solution pot for checking humidity probes, 33 %RH

    # 0554 0636
  • Stainless steel sintered filter

    Stainless steel sintered filter

    # 0554 0641
    Рore size 100 µm, probe protection in dusty atmospheres or higher flow velocities
  • Stainless steel sintered cap, Ø 12 mm

    # 0554 0647

    Screwed onto humidity probe (for measurements at high flow velocities or in contaminated air)

  • testo saline pots for control and humidity adjustment of humidity probes

    # 0554 0660

    11.3 %RH and 75.3 %RH with adapter for humidity probe (quick checks or calibration of humidity probe)

  • Teflon sintered filter

    # 0554 0756

    Ø 12 mm, for corrosive substances (high humidity range (long-term measurements), high velocities)

  • ComSoft Professional 4

    # 0554 1704

    (Pro software incl. data archiving)

  • Cap for bore holes, for humidity probe Ø 12 mm

    Cap for bore holes, for humidity probe Ø 12 mm

    # 0554 2140
    (Measures equilibrium moisture in bore holes)
  • ISO calibration certificate humidity

    ISO calibration certificate humidity

    # 0520 0006
    (Calibration points 11.3 %RH and 75.3 %RH at +25°C)
  • DAKKS calibration certificate/humidity

    DAKKS calibration certificate/humidity

    # 0520 0206
    (electronic hygrometers; calibration points 11.3%RH and 75.3%RH at +25°C)

Display

LCD, 4 lines

Storage temperature

-20 to +70 °C
Operating temperature                       0 to +50 °C

Battery type

Alkali manganese

Battery life

45 h

Weight

255 g

Dimensions

215 x 68 x 47 mm

Material/Housing

ABS
 
Probe type NTC
 
Meas. range                                       -50 to +150 °C
Resolution 0.1 °C (-50 to +150 °C)
 
Probe type Pt100
 
Meas. range -200 to +800 °C
Resolution 0.1 °C (-200 to +800 °C)
 
Probe type Type K
 
Meas. Range -200 to +1370 °C
Resolution 0.1 °C (-200 to +1370 °C)
 
Probe type humid. sensor, cap.
 
Meas. Range 0 to +100 %RH
Resolution 0.1 %RH (0 to +100 %RH)
 
Probe type Typ J (FeCuNi)
 
Meas. Range -40 to +750 °C
 
Probe type Typ S (Pt10Rh Pt)
 
Meas. Range -50 to +1700 °C
 

Enquiry Form

Related products

  • testo 440 - Air velocity and IAQ measuring instrument

    testo 440 - Air velocity and...

    testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable
  • testo 605-H1

    testo 605-H1

    testo 605-H1: thermohygrometer with duct holder, incl. attachment clip and battery
  • testo 625

    testo 625

    testo 625, humidity/temperature measuring instrument, incl. plug-in humidity probe head, battery and manual