Related Manuals for SATO KEIRYOKI SK-M460-TRH
Summary of Contents for SATO KEIRYOKI SK-M460-TRH
- Page 1 Instruction Manual Temperature/Humidity Indicator Model SK-M460-TRH 3-4 Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan URL: http://www.sksato.co.jp/english/ R.03...
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Page 2: Risk Of Explosion
Introduction Thank you for purchasing the Temperature/Humidity Indicator model SK-M460-TRH. 4 to 20 mA temperature/humidity transmitter model SK-RHC-V (0 to 1 VDC). Do not use this instrument for any other purposes. * Voltage output device and temperature/humidity transmitter model SK-RHC-V (0 to 1 VDC) are sold separately. - Page 3 ■ Please contact the distributor where the purchase was made or us for any repair or calibration of the instrument. Overview This instrument is an indicator which displays the temperature and humidity by inputting an analog voltage (0 to 1V). This instrument can be connected to a direct voltage output device or our temperature/humidity transmitter Model SK-RHC-V (0 to 1V).
- Page 4 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 : Refer to “Installation” in “How to Use” (6) Bracket for mount...
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Page 5: Installation Location
How to Use ● Installation location Install the instrument indoors. It is available to mount it on a wall or a celling (option) Avoid following locations for installation: - Places with flammable gas, explosive gas and corrosive gas such as SO and H - Places where the ambient temperature go beyond 0 to 50℃... - Page 6 (3) Secure the four wall-mounting brackets to the wall by using eight screws (such as those for concrete, M3 - M6). - Screws (for concrete) are not included with the product. - The unit weighs about 3.5 kg. When installing the unit, select screws having appropriate strength. Front view - For the mounting dimensions, refer to the figure below.
- Page 7 (2) Remove the four M3 screws from the back of the unit case. - Do not loosen or retighten the screws other than the four shown in the figure below. Back view (3) Align the screw holes on the hanging brackets with the screw holes on the unit, and then secure it with the M3 screws removed in step (2) above.
- Page 8 Cautions - This model does not have Power ON/OFF switch. As soon as the unit is connected to a power source, it becomes active. - Connect to a power source only after completing the wiring. - Please be careful not to confuse the wiring. Incorrect wiring may result in instrument failure. - Do not wire the instrument in places with heavy humidity or water splash nor with wet hands.
- Page 9 2. Wiring method (1) For connecting a direct voltage output devise Confirm the manual of the terminal box and wire without fail referring to the diagram below. * Do not remove the screws of bothe end of terminal block. Terminal Block Do not loosen the screws.
- Page 10 (2) Connecting with a Temperature/Humidity transmitter, model SK-RHC-V (0 to 1V) Check the wiring diagram of the terminal block and wire correctly. SK-RHC-V (0 to 1V) Terminal Do not loosen the screws. These fixture both ends of terminal block. 12VDC Power souce output Temp.
- Page 11 Alarm / Display sampling setting (optional) * Alarm function is an optional function. Please specify this at the time of purchase order. ⅠAlarm setting Setting the thresholds for alarm will enable the instrument to alert with a buzzer or rotating warning light when the displayed value is beyond either upper or lower limits.
- Page 12 1. Wiring method (1) Remove screws that fixture both end of the terminal cover and dismount the terminal block. Side view Enlarged view of alarm setting section Setting button Alarm setting section Temp. upper/lower alarm switch Display sampling switch DC jack Terminal board Re-install the cover after wiring.
- Page 13 (5) Upon completion of setting, press the SET key to confirm. The set value for the upper limit temperature alarm is stored in the unit's memory, and the unit returns to display the measured values. - The set value is not stored in the unit unless the SET key is pressed. - To change the upper limit value alarm again, slide the alarm switch No.
- Page 14 2. Connecting the unit Check the descriptions on the terminal board, and install the wiring properly by referring to the figure below. For the configuration of the input terminals of temperature and humidity, refer to "Connection" - Do not remove the screws from both ends of the terminal. Do not loosen the screws.
- Page 15 3. Alarm operation conditions (1) Alarm activation conditions The alarm is activated if the measured value is equal to or exceeds (falls below) the set value. The upper limit temperature/humidity alarm is activated if the measured value is ≥ the set value. The lower limit temperature/humidity alarm is activated if the measured value is ≤...
- Page 16 Ⅱ Display sampling time setting Change the display sampling time setting as needed. The factory setting is 1 second. (1) Remove the screws securing the terminal cover, and then remove the terminal cover. (2) Change the display sampling time setting 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...
- Page 17 Error message If a problem is detected in the unit, an error code appears on the display. Error code Cause and action An abnormal signal (noise) is input at power-up of the unit. → Turn the unit off and then on again. Er 0 If the "Er 0"...
- Page 18 Specifications Product name Temperature/Humidity Indicator Model SK-M460-TRH Cat. No. No. 8091-50 (No. 8091-55: with alarm function type: option) Display range Temperature : 0.0 to 65.0°C Humidity : 5.0 to 99.9%rh Resolution Temperature : 0.1°C Humidity : 0.1%rh Display Accuracy Temperature : ± (0.3°C + 1 digit) Humidity : ±...
- Page 19 Instruction Manual Connecting Cable between SK-RHC-V Transmitter and Digital Indicators This cable is used to connect our temperature/humidity transmitter model SK-RHC-V (0 to 1 VDC) and our digital temperature/humidity Indicators. Do not use this cable for any other purposes. As for the usage of the transmitter and digital Indicator, read each instruction manual 1.
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