MEGGER GROUP LIMITED CHM2000

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Product Description

AVO MEGGER GROUP LIMITED CHM2000 TELECOM CABLE HEIGHT METER 6 LINES 35 FT SUPARULE NEW Item Cat. No. Cable Height Meter 35 ft. max. height (telecom application) CHM2000 50 ft. max. height (power application) 659600 75 ft. max. height (power application) 659600E Optional Accessory Leather case for Cat. No. 659600 and 659600E only 659601 DESCRIPTION The CHM Series of Cable Height Meters utilize ultrasonic techniques to determine the height of up to six overhead cables and wires. The instruments are designed to address specific measuring requirements on cables up to 75 feet (23 m). The CHM600 (C/N 659600) and CHM600E (C/N 659600E) are designed primarily for power cable applications, while the CHM2000 is designed for telecommunication applications. The Cable Height Meters emit short bursts of sound which originate from the cone shaped transmitter. The microprocessor in the instruments calculates the elapsed time for the bursts of sound to be reflected from the cable back to the instruments. The result can be displayed in either feet and inches or meters. However, before the final measurement can be displayed, the air temperature must be measured because the speed of sound varies at approximately 0.2 percent per degree Celsius. A temperature sensor, mounted at the front of the instruments, senses the actual air temperature. This information is sent to the microprocessor and incorporated into the algorithm. The distance is then displayed in meters or feet and inches depending on which was selected. APPLICATIONS The Cable Height Meters are capable of measuring the lowest cable, provided it is within range. Additionally the spacing between the next five cables can be displayed. This is accomplished by standing directly beneath the cable and aligning yourself longitudinally (looking down the line). Simply press the ON button to power the instrument up and allow the temperature to stabilize. Press the MEASURE button and if necessary gently rock and tilt the instrument until a stable reading is obtained. Applications include measuring cable heights of: n Telephone lines n Distribution lines n Transmission lines n Cable television (installers and contractors) n Street lights n Sag (lowest point to ground) n Separation between up to six cables The instrument can be used to ensure that OSHA overhead clearance regulations are met at construction sites. It also provides a safer way to measure cable heights on highly congested roadways. Additionally the Cable Height Meters offer an easy way to check whether the device has remained in calibration since its purchase date. Switching to CAL mode also allows the instruments to be used indoors. FEATURES AND BENEFITS n Ease-of-use Simple, three button operation ensures fast, effective measurements with a minimum of operator training. n Compact size Its light weight and hand-held portability allows easy transport and multiple measurements. n Inherently safe No physical connection to cables or wires required to obtain measurement. n Battery condition indicator Shows the battery warning symbol when the battery voltage falls to approximately 6 volts. n Automatic power off Conserves battery power when idle after three minutes. n Calibration and maintenance free operation Minimal down time. n Pre-selectable measuring modes Will read in either meters or feet and inches for universal use. n Six cable measurement capability Handles almost any field application. n Quicker measurement of cable height Saves time and money. SPECIFICATIONS Resolution 1/4 in. (5 mm) if < 10 m 1/2 in. (10 mm) if > 10 m Accuracy Typically less than 0.5% error ±2 digits Power source 9 volt alkaline leak-proof battery (included) Operating Temperature 14º F to 104º F (-10º C to 40º C) with compensation over the full range. Storage Store in dry area. Do not expose to extreme temperature. Use only leak proof batteries. Battery Life > 50,000 Measurements Dimensions 3 H x 4 W x 8.5 D in. (70 H x 100 W x 205 D mm) Weight 1.1 lb (.5 kg) (Minimum Cable Size) Model 1.00 in. 0.50 in. 0.25 in. 0.125 in. (Cat. No.) 24.4 mm 12.7 mm 6.5 mm 3.2 mm CHM600 10 to 50 ft. 10 to 50 ft. 10 to 39 ft. 10 to 32 ft. (659600) 3 to 15 m 3 to 15 m 3 to 12 m 3 to 10 m CHM600E 10 to 75 ft 10 to 50 ft (659600E) 3 to 23 m 3 to 15 m CHM2000 7 to 35 ft 7 to 35 ft 7 to 35 ft 7 to 32 ft 2 to 10.7 m 2 to 10.7 m 2 to 10.7 m 2 to 9.7 m measurement ranges are on the assumption that the air temperature is approximately 68º F (20º C). At lower temperatures, the range increases and conversely, at higher temperatures, the range decreases.

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MEGGER CHM2000 TELECOM CABLE HEIGHT METER 6 LINES 35 FT SUPARULE NEW