SATO KEIRYOKI SK-M460-TRH Instruction Manual Download | Manualshive

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3

Names of components

(1) Display (red LED)

: Temperature value display

(2) Input terminal board

: input platinum resistance temperature sensor

Alarm output (Option)

(3) DC jack

: AC adaptor connection port

(4) Cable passage

(5) Cover for terminal

(6) Bracket for mount

: Refer to

“Installation” in “How to Use”

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Summary of Contents for SK-M460-TRH

Page 1: ...Instruction Manual Temperature Humidity Indicator Model SK M460 TRH R 03 3 4 Kanda kajicho Chiyoda ku Tokyo 101 0045 Japan URL http www sksato co jp english ...

Page 2: ...irt on the power plug may cause fire This 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 instrum...

Page 3: ...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 The thin shaped body 60mm depth is suitable to be mounted on a wall Also available to mount the body on a celling with the optional Sinmple wiring is available due to the power supply 12VDC that is equipped for our tempera...

Page 4: ...emperature value display 2 Input terminal board input platinum resistance temperature sensor Alarm output Option 3 DC jack AC adaptor connection port 4 Cable passage 5 Cover for terminal 6 Bracket for mount Refer to Installation in How to Use ...

Page 5: ...our wall mounting brackets are included with the product If the product is to be suspended use the two ceiling mounting brackets options To purchase the brackets for celling mounting contact the store where you purchased the unit or us 1 Wall mounting 1 Remove the eight M3 screws from the back of the unit case Do not loosen or retighten the screws other than the eight shown in the figure below Bac...

Page 6: ...g appropriate strength Front view For the mounting dimensions refer to the figure below 2 Ceiling mounting optional 1 Secure the two ceiling mounting brackets to the ceiling by using four screws such as those for concrete M3 M6 Screws for concrete are not included with the unit The unit weighs about 3 5 kg When installing the unit select screws having appropriate strength Front view For the mounti...

Page 7: ...cover to take out the cover Break the film covering the cable opening at the bottom of the unit case Draw the connection cable and the cable of the AC adapter through the cable opening and then connect them to the terminals on the terminal block Use a cable of an appropriate size It is recommended to use a crimp style terminal tighten it securely Upon completion of connecting be sure to install th...

Page 8: ... be careful not to drop Remove all electrical wirings before moving 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 an 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 direct voltage outpu...

Page 9: ...of temperature and humidity inputs and minus terminal of power source to GND Terminal Description DC12V When use this as a power supply connect the device within the rating 12VDC 0 7A or less GND Connect minus terminal of DC voltage output device and minus terminal of power supply T Temperature voltage input Terminal H Humidity voltage input Terminal Do not loosen the screws These fixture both end...

Page 10: ...Select an adaptor which meets following specifications Primary output Voltage 12VDC Electrical Current 1A Polarity Plug diameter outer diameter ø5 5mm inner diameter ø2 1mm length 9 5mm Terminal Description DC12V Outputs 12VDC for SK RHC V 0 to 1V GND Connect minus Terminals of Temperature and Humidity voltage inputs and minus Terminals of SK RHC V 0 to 1V and 12 to 24VDC power souce T Temperature...

Page 11: ...n use the an alarm device make sure to choose one that meets the specifications of the alarm you require at the time of order Example of wiring connect with SK RHC V 0 1V transmitter Be sure to start power supply to the indicator after wiring is completed When setting up avoid the places where are high humidity and water sprashes AC DC Alarm specifications Max Rating Voltage resistance 100 to 280V...

Page 12: ... Slide the alarm switch No 1 for the upper limit temperature to the right ON The upper limit temperature value flashes on the temperature display 4 Press the button to increase the setting value or the button to decrease it Set to the desired value for the upper limit temperature alarm Pressing and holding the key quickly increases decreases the value Temp upper lower alarm switch Display sampling...

Page 13: ...erature lower limit Humidity upper limit Humidity lower limit The alarm is actuated when the alarm switch is set to the right ON The alarm is cancelled OFF when the alarm switch is set to the left OFF Temperature upper alarm Temperature lower alarm Humidity upper alarm Humidity lower alarm Set OFF Set ON Set OFF Set ON Set OFF Set ON Set OFF Set ON The alarm switches are set to cancel the alarm OF...

Page 14: ...re no polarities on the alarm device connection terminals Connect the wiring as shown in the figure above Do not loosen the screws These fixture both ends of terminal block Do not loosen the screws These fixture both ends of terminal block Temp input Humi input Power souce output 12VDC Temperature upper alarm Temperature lower alarm Humidity upper alarm Humidity lower alarm Alarm device Buzzer Ala...

Page 15: ...has hysteresis of 1 C The alarm device is constantly under load if it activates or cancels the alarm operation every time it samples Hysteresis is used to reduce such load on the alarm device at temperatures close to the alarm set value Operation example of upper limit temperature alarm set value is 50 0 C ON if the measured temperature exceeds 50 C OFF if the measured temperature falls below 49 C...

Page 16: ...etting by using the setting switch No 1 see the figure below Setting switch is set to the right ON 10 second display sampling time Setting switch is set to the left 1 second display sampling time Side View Enlarged view if setting section Caution The display sampling time cannot be set after the unit is turned on Perform the setting while the unit is off Display sampling time switch Setting sectio...

Page 17: ...been soaked in water with a neutral detergent and tightly wrung Error code Cause and action Er 0 An abnormal signal noise is input at power up of the unit Turn the unit off and then on again If the Er 0 display persists the unit is likely to be faulty Contact the store where you purchased the product or our service network Er 1 An abnormal signal noise is input while the unit is running Turn the u...

Page 18: ...umidity 0 3 rh 1 digit Display sampling speed Approx 1 second Display 7 segment red LED character height approx 57mm Usage ambient 0 to 50 C less than 85 rh no condensing Input connection Terminal block Input Temperature 0 to 650mVDC 0 0 to 65 0 C Humidity 50 to 999mVDC 5 0 to 99 9 rh Power requirement AC adaptor 12V 1 0A included Power consumption Approx 3 2W Approx 3 8W Wirh alarm function Mater...

Page 19: ...terminals Indicator 2 How to wire Check the wiring diagram of the terminal block and wire correctly When the cable length is 10m or longer do not wire the cable to the DC12V terminal and be sure to use the direct power supply 12 to 24VDC or AC adapter Otherwise potential difference generates by the extended cable and the indicating errors may occur Connecting with a SK M350TRH Connecting with a SK...

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