GHM DeltaOHM HD2301.0 Operating Manual Download Page 20

 

HD2301

 

-   20   -

 

V1.7

 

N OTES ABOUT W ORKI N G AN D  OPERATI VE SAFETY 

 

Au t hor iz e d use   

 
The t echnical specificat ions as given in chapt er TECHNI CAL CHARACTERI STI CS  m ust  
be observed. Only t he operat ion and running of t he m easur ing inst rum ent  according 
t o t he inst ruct ions given in t his operat ing m anual is aut hor ized. Any ot her use is 
considered unaut horized.  
 

Ge ne r a l sa fe t y  inst r u ct ions  

 
This m easur ing syst em  is const ruct ed and t est ed in  com pliance w it h t he EN 61010- 1 
safet y regulat ions for  elect ronic m easuring inst rum ent s. I t  left  t he fact ory in a safe 
and secure t echnical condit ion. 
The sm oot h funct ioning and operat ional safet y of t he m easuring syst em  can only  be 
guarant eed if t he generally applicable safet y m easures and t he specific safet y 
inst ruct ions in t his operat ing m anual are followed dur ing operat ion. 
The sm oot h funct ioning and operat ional safet y of t he inst rum ent  can only be 
guarant eed under t he environm ent al and elect r ical operat ing condit ions t hat  are in 
specified in chapt er TECHNI CAL CHARACTERI STI CS. 
 
Do not  use or st ore t he product  in places such as list ed below:  

  Rapid changes in am bient  t em perat ure which m ay cause condensat ion.  

  Corrosive or inflam m able gases. 

  Direct  v ibrat ion or shock t o t he inst rum ent . 

  Excessive induct ion noise, st at ic elect r icit y, m agnet ic fields or noise.  

 
I f t he m easur ing sy st em  was t ransport ed from  a cold env ir onm ent  t o a warm  
environm ent , t he form at ion of condensat e can im pair t he funct ioning of t he m easuring 
syst em . I n t his event , wait  unt il t he t em perat ure of t he m easuring syst em  reaches 
room  t em perat ure before put t ing t he m easuring syst em  back int o operat ion. 
 

Obliga t ion s of t h e  pu r ch a se r  

 
The purchaser of t his m easuring syst em  m ust  ensure t hat  t he follow ing laws and 
guidelines are observed when using danger ous subst ances:   

  EEC direct ives for prot ect ive labour legislat ion  

  Nat ional prot ect ive labour legislat ion  

  Safet y regulat ions  

 

 

 

Summary of Contents for DeltaOHM HD2301.0

Page 1: ...Operating manual Thermohygrometer HD2301 0 www deltaohm com English Keep for future reference...

Page 2: ...000 PROBES 13 DIRECT CONNECTION OF 4 WIRE Pt100 SENSORS 15 W ARNI NGS 1 6 I NSTRUMENT SI GNALS AND FAULTS 1 7 LOW BATTERY W ARNI NG AND BATTERY REPLACEMENT 1 8 WARNING ABOUT BATTERY USE 18 I NSTRUMENT...

Page 3: ...ument calculates and displays the following data absolute humidity dew point partial vapour pressure The probes are fitted with the automatic detection SICRAM module with the factory calibration setti...

Page 4: ...HD2301 4 V1 7 Therm ohygrom eter HD2 3 0 1 0...

Page 5: ...s the measurement display during normal operation in the menu increases the current value 8 UNI T MENU key it allows selection of the unit of measurement when pressed together with the DATA key it all...

Page 6: ...turning on enables all display segments for a few seconds starts an Auto test including the detection of the probe connected to the input and sets the instrument ready for normal measurement MIN cm m...

Page 7: ...he acquisition of new samples by pressing this key again the minimum MIN value is displayed by pressing this key a third time the average AVG value is displayed The acquisition frequency is once a sec...

Page 8: ...erature measurement blinks Use the and arrows if you wish to change the temperature display from degrees Celsius C to degrees Fahreneit F or vice versa Confirm by pressing the UNIT key or wait for the...

Page 9: ...is configured by the instrument and cannot be modified by the user If the direct 4 wire Pt100 probes and the Pt1000 probes that are not manufactured by Delta OHM are connected to the instrument the N...

Page 10: ...Y The humidity probes are humidity and temperature combined probes the humidity sensor is a capacitative type sensor the temperature sensor is a Pt100 The instrument measures relative humidity RH and...

Page 11: ...drops of solution inside the measuring chamber dry them with some blotting paper 5 Insert the probe in the container making sure the cap at the base is screwed well The m easuring cham ber m ust be cl...

Page 12: ...mber cannot reach its saturation anymore For the saturated solutions at 75 RH check that the salt is not dry crystallized in order to reach the saturation it needs to be wet 5 Storage of the saturated...

Page 13: ...E when measuring the temperature on frozen blocks it is convenient to use a mechanical tool to bore a cavity in which to insert the tip probe In order to perform a correct contact measurement the meas...

Page 14: ...tin bead for some type of sensors 1 2 3 4 Pt100 3 wires Pt1000 Ni1000 Not Used Caution Before welding pass the probe cable through the fairlead and gasket 6 Weld the wires as shown in the table Sensor...

Page 15: ...be soldered directly to the pins of the flying female connector without making use of the TP47 board The 4 wires of the Pt100 sensors have to be soldered as indicated in the figure on the left In orde...

Page 16: ...C avoid violent blows or thermal shocks to Platinum temperature probes as this could cause irreparable damage 9 To obtain reliable measurements temperature variations that are too rapid must be avoid...

Page 17: ...is appears if the probe has already been detected by the instrument but is disconnected At the same time an intermittent beep is issued FUNC CLRD Max min and average values cleared NEW PROBE DET This...

Page 18: ...urn the instrum ent back on To replace the batteries proceed as follows 1 switch the instrument off 2 unscrew the battery cover counter clockwise 3 replace the batteries 3 1 5V alkaline batteries type...

Page 19: ...ent in places where humidity is high the instrument may be exposed to direct sunlight the instrument may be exposed to a source of high temperature the instrument may be exposed to strong vibrations t...

Page 20: ...tional safety of the instrument can only be guaranteed under the environmental and electrical operating conditions that are in specified in chapter TECHNICAL CHARACTERISTICS Do not use or store the pr...

Page 21: ...t condensation Protection degree I P6 7 Power Batteries 3 1 5V type AA batteries Autonomy 200 hours with 1800 mAh alkaline batteries Power absorbed with instrument off 20 A Connections Input for probe...

Page 22: ...70 C 250 C TP49AP I Penetration 70 C 250 C TP8 7 5 I Globe thermometer 150 mm 30 C 120 C TP8 7 6 I Globe thermometer 50 mm 30 C 120 C TP8 7 O Immersion 50 C 200 C Common characteristics Resolution 0 0...

Page 23: ...C 150 C 0 3 C HP4 7 5 ACR Pt100 0 100 RH 40 C 150 C 0 3 C HP4 7 5 AC1 R Pt100 0 100 RH 40 C 180 C 0 3 C HP4 7 7 DCR Pt100 0 100 RH 40 C 100 C 0 3 C HP4 7 8 ACR Pt100 0 100 RH 40 C 150 C 0 3 C HP4 8 0...

Page 24: ...8 x 4 mm length 520 mm HP4 7 8 ACR Combined probe RH and temperature Connection cable length 5 m Stainless steel stem 14 x 130 mm HP4 8 0 RH and Temperature probe for compressed air systems Supplied c...

Page 25: ...4 7 3 P O Penetration probe sensor Pt100 Stem 4 mm length 150 mm Cable length 2 metres TP4 7 4 C O Contact probe sensor Pt100 Stem 4 mm length 230 mm contact surface 5 mm Cable length 2 metres TP4 7 5...

Page 26: ...direct 4 wires Probe s stem 3 mm length 70 mm 4 wire connection cable with connector length 2 metres TP8 7 1 0 0 0 O Immersion probe sensor Pt1000 Probe s stem 3 mm length 70 mm 4 wire connection cab...

Page 27: ......

Page 28: ...anty included in the manual of the product For any dispute the competent court is the Court of Padua The Italian law and the Convention on Contracts for the International Sales of Goods apply TECHNI C...

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