Thermal analysis of molten metal, northern instruments   dpp, portable foundry equipment, immersion pyrometers, temperature conversion.

Nothern Instruments Leeds UK






smartpour

smartdip
peakdip
DPP
nical

Digicarb 3
digicarb 2d

DPP3 : RANGE OF DEPENDABLE PORTABLE PYROMETERS FOR ALL MOLTEN METAL TEMPERATURES
DPP3 is a battery powered instrument with a 4 digit, bright: Green or Red LED display. The standard 1.25 metre steel dip arm, holding the thermocouple or its extension lead is normally hard wired and mechanically clamped into the DPP. Low battery voltage, broken thermocouple and reversed polarity are all indicated on the display when the 'ON' button in the handle is pressed. DPP is available for use with Type 'B','K','N','R' or 'S' thermocouples: Degrees C or F.
DPP3 SS Siberian Specification:
A low working temperature version allows accurate measurements to be taken at ambient temperatures as low as minus 22 deg.C ( - 8 deg.F ) although the instrument will function down to - 38 deg.C ( - 36 deg. F).
 
DPP3 'K' may be supplied with a hard wired or plug-in swaged Marshall or KWIKTIP K-90 dip arm - Specify. DPP3 'N' is supplied with a swaged dip arm. DPP3 'B','R' & 'S' have arms with a connector fitted to accept plug- in expendable thermocouples. OPERATION:- Plug in the thermocouple to the dip arm, if expendable thermocouples are in use. Grip the handle, pressing the 'ON' switch: The ambient temperature will be displayed and the Green LED illuminates. Immerse the thermocouple tip in the metal. The Amber LED energize as te indicated temperature rises. Remove the probe from the melt when the Red LED energises. Peak temperature is displayed for 15 seconds. The instrument is then automatically switched off.

'DPP' SPECIFICATION THERMOCOUPLE RANGES:

DPP3 'K'     0 to 1372 deg. C      for     NiCr/NiAL      Type 'K-48' or 'K-68'
    or
                 0 to 2500 deg. F     for     NiCr/NiAL      Type 'K-48' or 'K-68'

DPP3 'N'     0 to 1300 deg. C      for     NiCrSi/NiSi     Type 'N'
    or
                 0 to 2400 deg. F     for     NiCrSi/NiSi     Type 'N'

DPP3 'R'     0 to 1768 deg. C      for     Pt13%Rh/Pt     Type 'R-48' or 'R-68'
    or
                 0 to 3214 deg. F     for     Pt13%Rh/Pt     Type 'R-48' or 'R-68'

DPP3 'S'     0 to 1768 deg. C      for     Pt10%Rh/Pt     Type 'S-48' or 'S-68'
    or
                 0 to 3214 deg. F     for     Pt10%Rh/Pt     Type 'S-48' or 'S-68'

DPP3 'B'     300 to 1820 deg. C      for     Pt30%Rh/Pt6%Rh     Type 'B'
    or
                 570 to 3308 deg. F     for     Pt10%Rh/Pt6%Rh     Type 'B'

AUTOMATIC Cold Junction Compensation
· STANDARD CALIBRATION....IPTS-48, IPTS-68, IPTS-90
· ACCURACY.... +/- 0.1% of reading + 1 degree C or F
· RESOLUTION... 0.1 DEG. UP TO 200 then 1 deg. C or F
· AMBIENT TEMPERATURE RANGE... 0 to 45 deg.C (32 to 113 DEG.F)
· SUPPLY: 6 volt rechargeable battery pack as standard, (or with battery holder fitted, 4 x MN1500 or AA cells.)
· BATTERY CHARGER available for 110 or 230 V mains supply: specify.
  WEIGHT: Weight with Standard dip arm 2.5 kg.

STANDARD FEATURES

-- Sequence LED Signalling System, GREEN/AMBER/RED, 'Traffic lights' included.
-- Low Battery Voltage . . . . 4 Decimal Points, flash.
-- Broken Thermocouple . . . . Display shows ' _ _ ' (flashing).
-- If thermocouple breaks during a measurement, latest measured value displayed, (flashing).
-- Reversed Input: Counts down to -60 then changes to '_ _ ' (flashing)
-- Standard Dip Arm 16mm x 1.25 metre with 30 degree bend.
-- Longer shorter or 20mm diameter, can be supplied.
-- Battery Charger: External, plug-in 70mA stabilised current: 220/240 or 115 VOLTS, a.c. - SPECIFY!

AUTOMATIC PEAK HOLD OF READING
+Time delay + Auto switch off + manual reset button

Smart versions of DPP3, Smartdip 3 and Smartdip 3SS also stores temperature, dip/station number, time, and date, for downloading to computer via a stereo socket on the side of the instrument.
A separate data sheet is available on Smartdip 3 + Smartdip 3SS.


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