SATO KEIRYOKI SK-M350-TRH-I Instruction Manual Download

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Names of components

(1) Display (red LED)

: character height approx. 57mm

(2) Input terminal board

(3) DC jack

: AC adaptor connection port

(4) Fixture stand

: Plate thickness t=3.2mm, 4 holes for fixture

(5) Knob screw

(6) Cover

(7) Cable passage

(8) AC adaptor outlet

(9) Cover fixture screw

: (6 holes)

(10) Alarm setting

: optional

Front view

Side view

Bottom view

Rear view (with cover)

Rear view (without cover)

Standard instrument

Instrument with alarm (optional)

Summary of Contents for SK-M350-TRH-I

Page 1: ...Instruction Manual Temperature Humidity Indicator Model SK M350 TRH I No 3 Nishi Fukudacho Kanda Chiyodaku Tokyo 101 0037 Japan URL http www sksato co jp english ...

Page 2: ... instrument is not waterproof Never let it wet Do not use it in places in effects with condensing rain water drops or steam If this instrument is used in an environment where electrical noise is generated the display may become unstable and the measurement error may increase Refer to the Installation Method section of this manual when installing the instrument and be careful not to drop Remove all...

Page 3: ... 20 mA Features Easy to read LED display with the character height of approx 57mm Incorporating the red LED with its character height of approx 57mm makes the displayed values well visible from far distance Free angle fixture stand This enables for the user to set the display at any desired angle Alarm function for upper and lower limits is available for option at the time of purchase order A buzz...

Page 4: ...onnection port 4 Fixture stand Plate thickness t 3 2mm 4 holes for fixture 5 Knob screw 6 Cover 7 Cable passage 8 AC adaptor outlet 9 Cover fixture screw 6 holes 10 Alarm setting optional Front view Side view Bottom view Rear view with cover Rear view without cover Standard instrument Instrument with alarm optional ...

Page 5: ...ing the instrument Fail to do so may cause dropping of the instrument Make sure to put the terminal cover on during usage time in prevent from dust or a electric shock Please use the cable with proper diameter It is recommended to use a crimp terminal for wiring Please tighten the wires securely without a slack A 4 to 20 mA output device or our temperature humidity transmitter model SK RHC I is no...

Page 6: ...n opening to the film covering the cable wire port with a cutting knife Please note the direction of the cover Wiring diagram with the cover without the cover Cover fixture screws size M3 Cover fixture screws size M3 terminal block Terminal description Terminal name Description T Temperature current input Terminal T Temperature current input Terminal H Humidity current input Terminal H Humidity cu...

Page 7: ...The instrument is not designed to supply power to the temperature humidity transmitter model SK RHC I Please have another power source for SK RHC I for power supply Please refer to the instruction manual that comes with SK RHC I for power supply specification 3 Fix the cover to the instrument with screws Please use the M3 screws that comes with the instrument for fixture Make sure there is no wobb...

Page 8: ...not install the instrument on a rooftop Avoid following locations for installation Places with flammable gas explosive gas and corrosive gas such as SO2 and H2S Places where the ambient temperature go beyond 0 to 50 humidity of less than 85 rh Places of the impact of electrical noise and radio waves Places in effects with condensing rain water drops or steam 2 Installation method 1 Fix the fixture...

Page 9: ...ired After adjustment tighten the knob screws while maintaining the angle The indicator is fixed to the angle Turning the knob screws may remove the knob screws In such case be careful not to let the indicator to fall as it is free from its fixture stand Such fall may result instrument failure from impact Make sure to take enough precautions Bottom view of the fixture stand ...

Page 10: ...erminal cover on during usage time in prevent from dust or an electric shock Input a direct current with the range from 4 to 20 mA Using the instrument outside of its range may cause instrument failure 1 AC adaptor Please select an adaptor which meets following specifications when using another adaptor that was not included in the instrument Primary output Voltage DC12V Electrical Current 1A Polar...

Page 11: ... is an optional function available at the time of purchase order Alarm output is contact output of relay Connect to an alarm device to use Make sure the alarm device meet following specifications Rating voltage resistance 100 to 280VAC Load current less than 100mA 1 Wiring method 1 Remove the cover and wire the terminal block Re install the cover after wiring Refer to the Wiring method section for...

Page 12: ...Hi For upper limit of temperature terminal for alarm device connection AL Lo For lower limit of temperature terminal for alarm device connection AL Hi For upper limit of humidity terminal for alarm device connection AL Lo For lower limit of humidity terminal for alarm device connection There is no polarity for terminals of alarm device connection T T H H AL Hi C AL Hi C AL Lo C AL Lo C AL Hi AL Hi...

Page 13: ...isplay Use tweezers or a flat blade screw driver to toggle the switch Enlarged diagram of alarm setting area Switch for upper lower limit of temperature Switch for upper lower limit of humidity Volume for upper limit of temperature Volume for lower limit of temperature Volume for upper limit of humidity Volume for lower limit of humidity Alarm setting part Switch for upper lower limit Display of m...

Page 14: ...or humidity 4 Return the switch to the center position once the adjusted value is confirmed The display will switch to measured value display mode Maintenance Storage Store the instrument in following ambient 0 to 50 C and less than 80 rh no condensing Cleaning Do not wash or wipe this unit with alcohol thinner or other solvents Use soft cloth to clean In case of tough stain wipe it with a cloth t...

Page 15: ...mperature DC 5 to 19mA 10 0 to 60 0 C 2 Humidity DC 4 to 20mA 0 0 to 99 9 rh Power requirement AC adaptor 12V 1 0A included Power consumption Approx 4 2W Approx 4 8W with alarm Materials Main unit indicator SCPP Panel Acrylic resin Dimensions Approx W 360 x H 202 x D 85mm excluding projected part Weight Approx 3 8 kg Accessories Instruction manual One AC adaptor Design and specification are subjec...

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SATO KEIRYOKI SK-M350-TRH-I, Instruction Manual

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