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Panasonic Industry / Automation Controls

TH8 DC Hour Meters (Discontinued Products)

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  • Discontinued Products

  • Rating/ Performance

  • Dimensions

  • Cautions For Use

Ⅾiscontinued

Last time buy (JST)

September 30, 2019

We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.

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Discontinued Products

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Rating/ Performance

TypeTH833CTH834C
RatingRated voltage12 V DC24 V DC
Usage voltage range10.2 to 15.6 V DC20.4 to 31.2 V DC
Measurement time0 to 9999.9 hours
Min. measurement time0.1 hour (6 min.)
Power consumptionApprox. 1.5 W (With rated voltage applied at 25℃ 77℉)
Electrical
characteristics		Insulation resistance
(initial)		Min. 100 MΩ between charged and uncharged parts (measured at 500 V DC)
Breakdown voltage
(initial)		Between charged and uncharged parts: 2,000 V AC for 1 minute.
Temperature riseMax. 55℃ 131℉ (measured at rated voltage and resistance law)
Mechanical
characteristics		Functional vibration resistance10 to 55 Hz (1 cycle/min.)
Single amplitude: 0.35 mm (10 min. ON 3 axes)
Functional shock resistanceMin. 98 m/s2 (4 times ON 3 axes)
Destructive vibration resistanceMin. 980 m/s2 (5 times ON 3 axes)
Usage conditionsOperation temperature–20℃ to +60℃ –4℉ to +140℉ (Without due and frost)
Ambient humidity35 to 85% RH (relative humidity) (non-condensing)
Power supply rippleApprox. 48% or less (single phase, all-wave rectification)
Protective constructionIP66 (front panel with a rubber gasket)

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Dimensions

  • Unit: mm in

Tolerance: ±1.0 ±.039

Panel installation diagram

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Cautions For Use

SAFETY PRECAUTIONS

To prevent injury and accidents, be sure to observe the following instructions.

Make sure to read the operating instructions and the following precautions for use before installation, operation, maintenance, or inspection. Before using the product, the users must have a thorough understanding of the equipment, safety information, and miscellaneous precautions for its use.

Warning

  • Take safety measures outside the product so that the whole system maintains its safety level even if the product broke down or an external factor caused any abnormality.
  • Do not use the product in any flammable gas atmosphere. Otherwise, this may result in an explosion.
  • Do not expose the product to fire. The batteries and/or electronic components may explode.

Caution

  • To prevent overheating or smoke, secure sufficient margins in relation to the guaranteed characteristics and performance values of the product.
  • Do not try to disassemble or modify the product. Otherwise, this may result in overheating or smoke.
  • Do not touch the terminals while the power is on. Otherwise, this may result in an electric shock.
  • Setup emergency stop and interlock circuits outside the product.
  • Securely connect the cables and connectors. Otherwise, loose connections may result in overheating or smoke.
  • Securely solder the joints. Otherwise, insufficient soldering may result in overheating or smoke.
  • Do not put foreign substances, such as liquids, combustibles, or metals, into the product. Otherwise, this may result in overheating or smoke.
  • Do not perform any work (e.g. connection, removal) while the power is on. Otherwise, this may result in electric shock.

Frequency setting

Frequency is specified for AC motor-driven hour meters. Before installing, be sure to check your local power frequency.

Connections

・TH13, 23, 14, 24, 40, 50, 63, 64

Note :Make the connection with the accompanying flat connector first and then with the hour meter's terminal (#187). In such case, be sure to cover the connection with the accompanying insulating sleeve.

・TH70, TH8

Note :Solder the lead wires in position.

Reset-type hour meter

Precautions for use

If the number indications are off before use, press reset button and confirm that all zeroes "0" are displayed.

Resetting caution

Exercise due caution as an insufficient amount of pressure on reset button may result in abnormal readings.

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