Product Overview
This description is about the Horstmann Comet BL-A, an outdoor single-pole capacitive voltage detector (order no. 50-1003-013) for measurements in the voltage range 10–20 kV. The unit indicates "voltage present" or "voltage not present" using a visual indicator (red/green LED) and, in this variant, also an acoustic indication (buzzer). The Comet BL-A has a built-in self-test, which checks the circuit including the contact electrode before use.Function and Design
- Single-pole, capacitive voltage detector designed for outdoor use (Comet BL-A).
- Indication: red and green LED; in the optical/acoustic variant, there is an additional buzzer.
- Built-in self-test function that tests the internal circuit and contact electrode before use.
- Power supply: 2 lithium cells; the manufacturer states an alleged 6-year operational readiness under specified conditions.
- Operating temperature range: -25 °C to +70 °C (specified by the manufacturer).
Typical Applications
According to the manufacturer's product text, the Comet series is used to determine whether operating voltage is present and to clearly indicate "voltage present" or "voltage not present". The manufacturer also mentions that the Comet units support work related to maintenance, installation, and troubleshooting.
Documentation
Further technical details and the manufacturer's table with order and measurement data can be found on Horstmann's product page: See manufacturer's product page.
Specifications
- Product: Horstmann Comet BL-A (order no. 50-1003-013).
- Type: Outdoor single-pole capacitive voltage detector.
- Rated voltage: 10–20 kV (specified for this variant).
- Indication: Optical (red/green LED) and acoustic (buzzer) — optical/acoustic variant.
- Self-test: Integrated function that checks the circuit and contact electrode before use.
- Power supply: 2 lithium cells; manufacturer states 6 years of operational readiness under specified conditions.
- Operating temperature: -25 °C to +70 °C.
- Dimensions from the manufacturer's table: Total length a = 1,570 mm; immersion depth b = 762 mm (specified in the manufacturer's product table for the 10–20 kV variant).
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