IM350DP01-E4 OCT. 2010
RKC INSTRUMENT INC.
HEADQUARTERS:16-6, KUGAHARA 5-CHOME, OHTA-KU
TOKYO 146-8515 JAPAN
PHONE: 03-3751-9799 (+81 3 3751 9799)
E-mail: info@rkcinst.co.jp
FAX: 03-3751-8585 (+81 3 3751 8585)
The first edition: FEB. 1997
The forth edition: OCT. 2010 [IMQ04]
Display Description Solution
[Flashing]
Over-scale
Measured temperature is
above the Measuring
range high limit value
Check connecting state of
sensor.
Confirm that the sensor or
wire is not broken.
[Flashing]
Underscale
Measured temperature is
below the Measuring
range low limit value.
Self-diagnostic error
If two or more errors occur simultaneously, the total summation
of these error codes is displayed.
Display Description Solution
[Flashing]
Adjusted data error
・
Adjusted data range is
abnormal.
[Flashing]
Data back-up error
・
Error in reading/writing
of EEPROM
[Flashing]
A/D conversion error
・
Response signal
from A/D converter is
abnormal.
Temperature
compensation error
・
Ambient temperature
exceeds 90 °C
Turn OFF then restart the
instrument or remove, insert
the batteries and restart.
When the operation returns
to normal upon restoring the
instrument, noise may
cause an error.
Check the noise level near
the instrument.
Check for the external noise
source. If an error occurs
after the power is turned on
again, the DP-350C must
be repaired or replaced.
Please contact RKC sales
office or the agent.
Problem and solution
Problem
Probable cause
Solution
No battery is loaded. Load a battery. No power is
turned on.
(No display
appears)
The battery with less
service life is used.
Change both batteries at
the same time.
The battery with less
service life is used.
Change both batteries at
the same time.
Measured
temperature
display is
abnormal
Noise source is
present near the
instrument
Separate the noise source
from the instrument.
Proper sensor is not
used
Use the specified sensor.
Sensor insertion depth
is insufficient
Check whether sensor is
inserted loosely. If yes, fully
insert the sensor
Sensor insertion
position is not
appropriate
Insert the sensor at the
specified location.
The display
does not
change
No key
operation is
accepted
CPU overrun Keep the thermometer
away from the noise
generation source, then
take the following
measures.
Remove the batteries.
Load new batteries after
a lapse of more than 10
seconds.
Press the key to
turn on the power.
If the thermometer does not
operate normally even after
the above measures are
taken, please contact RKC
sales office or the agent.
Replaceable dry batteries:
Alkaline (AA Size [LR6], 1.5 V, 2 pcs.) or
Manganese (AA Size [R6], 1.5 V, 2 pcs.)
6. SPECIFICATIONS
Input type: Thermocouple type K (JIS/IEC)
Influence of external resistance:
Approx. 0.1 µV/Ω
Measuring range: −200 to +1200 °C
−328 to +1999 °F
−199.9 to +199.9 °C (°F) *
* Display range with the resolution of 0.1°C (°F).
The resolution out of this range is 1
°C (°F).
Sampling cycle: Approx. 0.3 seconds
Action of input break: Upscale (B.O display lights)
Display: LCD (TN type)
Display accuracy: ± (|0.2 % of indicated value| + 1 digit) or
Within ± 2 °C (4 °F)
Less than the value whichever is greater
However, for less than
−100 °C (−150 °F): Within ± 4 °C (8 °F)
Resolution: 1 °C (°F) or 0.1 °C (°F)
Power supply: AA Size (LR6 or R6) dry batteries, 1.5 V,
2 pcs.
Battery life: Approx. 1000 hours
(Total of operating hours)
[When using alkaline dry batteries in the ambient
temperature near 23 °C]
However, the battery service life varies
depending on the operating condition and
environment. Therefore, the above service
life period is only for reference.
Power consumption: 5 mW (Mean value)
Allowable ambient temperature:
0 to 50 °C (32 to 122 °F)
Allowable ambient humidity:
45 to 85 % RH
Ambient operating: Free from no corrosive gases, atmosphere
no large amount of dust and a splash of
water.
Weight: Approx. 140 g (Including dry batteries)
Dimensions: 145 × 52 × 25 mm (H ×W × D)
7. BINDING THE HAND STRAP
Binding the hand strap to the DP-350 as follows.
1
2
When requiring the strap for replacement, please contact
RKC sales office or the agent.
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POWER
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E 2
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