DT2239-2

temperature and process technology Formed in 1971, Labfacility STROBOSCOPE/TACHOMETER DT2239-2 specialize in the field of Temperature and Process Measurement. A mains powered microprocessor based stroboscope/tachometer with a digital display, ideal for the ŵĞĂƐƵƌĞŵĞŶƚŽĨƌŽƚĂƟŽŶĂůƐƉĞĞĚƐŽĨ motors, pumps, fans, etc. We are the largest UK manufacturer of both temperature sensors and thermocouple connectors Quality and Service are key ĞůĞŵĞŶƚƐŝŶƚŚĞĐŽŶƟŶƵĞĚŐƌŽǁ ƚŚ of Labfacility. Technical support is always freely available from our experienced technical sales teams and the company has ISO9001 ĂĐĐƌĞĚŝƚĂƟŽŶ͘ K ƉĞƌĂƟŽŶ 1.Connect the unit's IEC power connector (figure 1. H) to a suitable power source via an IEC interconŶĞĐƟŶŐůĞĂĚ͘ 2.To switch on the unit, depress the switch marked 'power' (figure 1. A) to latch it into its lower ƉŽƐŝƟŽŶ͘ 3.ƐƟŵĂƚĞƚŚĞƌŽƚĂƟŽŶĂůƐƉĞĞĚŽĨƚŚĞƉŝĞĐĞŽĨ equipment to be measured and select low or high speed range as appropriate. Depress the switch marked 'range' (figure 1. B) to select the lower speed range. D ŽƟŽŶĐŚĞĐŬŝŶŐ 1.Determine the actual speed using the above method. 2.Adjust the fine adjustment knob (figure 1 .C) in ĞŝƚŚĞƌĚŝƌĞĐƟŽŶ͖ ƚŚŝƐǁ ŝůůŐŝǀ ĞĂƐůŽǁ ŵŽƟŽŶ Ğī ĞĐƚƚŽĂůůŽǁ ŝŶƐƉĞĐƟŽŶŽĨĂŵŽǀ ŝŶŐƉĂƌƚ͘ Contact Details Email sales@labfacility.com Website www.labfacility.com WARNING Do not look directly at strobe tube/reflector. Light pulses at frequencies greater than 5Hz may cause photosensiƟǀ ĞĞƉŝůĞƉƐLJŝŶƐŽŵĞŝŶĚŝǀ ŝĚƵĂůƐŝĨĚŝƌĞĐƚůLJǀ ŝĞǁ ĞĚ͘ Speed checking ϭ͘ ^ĞƚƵƉƚŚĞƵŶŝƚĂƐĚĞƐĐƌŝďĞĚŝŶ͚K ƉĞƌĂƟŽŶ͛ Ϯ͘ WŽŝŶƚƚŚĞƵŶŝƚĂƚƚŚĞƌŽƚĂƟŶŐƉĂƌƚƚŽďĞŵĞĂƐƵƌĞĚ͕  ensuring that the area is fully illuminated. 3.Adjust the coarse adjustment knob (figure 1. D) to ŽďƚĂŝŶĂƉƉƌŽdžŝŵĂƚĞƐLJŶĐŚƌŽŶŝnjĂƟŽŶ;ƚŚĞƌŽƚĂƟŶŐ ƉĂƌƚĂƉƉĞĂƌƐƚŽďĞĂůŵŽƐƚƐƚĂƟŽŶĞƌLJͿ͘ 4.The final adjustment should be undertaken using the fine adjustment knob (figure 1. C), when the ƌŽƚĂƟŶŐ ƉĂƌƚĂƉƉĞĂƌƐƚŽďĞƐƚĂƟŽŶĂƌLJ͕ƚŚŝƐŝƐƚŚĞ true actual speed. 5.Read off the indicated speed from the display (figure 1. G). In cases where the speed is greater then 9999 FPM/RPM, the auto-ranging indicator ;Į ŐƵƌĞϭ͘ &Ϳǁ ŝůůŐůŽǁ ͘ /ŶƚŚĞƐĞĐĂƐĞƐŵƵůƟƉůLJƚŚĞ indicated reading by 10 to obtain the true speed. Note: Care should be taken to ensure that the unit flashes and the monitored parts are in unison (one to ŽŶĞͿ͘ ƐƚƌŽďŽƐĐŽƉĞǁ ŝůůĂůƐŽƐƚŽƉŵŽƟŽŶĂƚϮ͗ ϭ;ƚǁ ŝĐĞ the true speed), 3:1, 4:1, etc. This is referred to as the harmonic effect. A feature of this instrument is to make moving objects ĂƉƉĞĂƌƐƚĂƟŽŶĂƌLJ͘WƌĞĐĂƵƟŽŶƐƐŚŽƵůĚƚŚĞƌĞĨŽƌĞďĞ taken to ensure there is no physical contact with the objects being viewed. FAR0070/0314. DT2239-2 - STROBOSCOPE/TACHOMETER FARNELL ORDER # 908-230 temperature and process technology ^ƉĞĐŝĮ ĐĂƟŽŶƐ Formed in 1971, Labfacility specialize in the field of Temperature and Process Measurement. We are the largest UK A. B. C. D. E. F. G. H. Power on/off switch >Žǁ ͬ ŚŝŐŚƌĂŶŐĞƐĞůĞĐƟŽŶƐǁ ŝƚĐŚ Fine adjustment knob Coarse adjustment knob Flash tube/lens Auto range indicator Display IEC power input connector manufacturer of both temperature sensors and thermocouple connectors. Quality and Service are key ĞůĞŵĞŶƚƐŝŶƚŚĞĐŽŶƟŶƵĞĚŐƌŽǁ ƚŚ of Labfacility. Technical support is always freely available from our experienced technical sales teams and the company has ISO9001 ĂĐĐƌĞĚŝƚĂƟŽŶ͘ dĞĐŚŶŝĐĂůƐƉĞĐŝĮ ĐĂƟŽŶ Display: Stroboscopic flash rate: Tachometer speed rate: Accuracy: ZĞƐŽůƵƟŽŶ͗ Test range select: ^ĂŵƉůŝŶŐƟŵĞ͗ K ƉĞƌĂƟŶŐǀ ŽůƚĂŐĞ͗ K ƉĞƌĂƟŶŐƚĞŵƉĞƌĂƚƵƌĞ͗ K ƉĞƌĂƟŶŐŚƵŵŝĚŝƚLJ͗ Dimension: Weight: Housing: Microprocessor circuit: Contact Details &ůĂƐŚƚƵďĞƐƉĞĐŝĮ ĐĂƟŽŶ Flash tube: Flash colour: &ůĂƐŚĚƵƌĂƟŽŶ͗ Flash energy: K ƉĞƌĂƟŶŐĚƵƚLJĐLJĐůĞ͗ Email sales@labfacility.com Website www.labfacility.com Beam angle: 0.3" LED, 4 digits. 100 to 10,000 flashes per minute (FPM). ϭϬϬƚŽϭϬ͕ ϬϬϬƌĞǀ ŽůƵƟŽŶƐƉĞƌŵŝŶƵƚĞ;ZWD Ϳ͘ ±(0.05% +1 digit). 0.1 FPM/RPM (less than 1,000 FPM/RPM). 1 FPM/RPM (1,000 to 9,999 FPM/RPM). 10 FPM/RPM (over 10,000 FPM/RPM). A: Low range- 100 to 1,000 FPM/RPM). B: High-range- 1,000 to 10,000 FPM/RPM). 1 second. 230V ±10% 50Hz. 0° to 50°C. Less than 80% R.H. 21 x 12 x 12cm (8.3 x 4.8 x 4.8"). 1kg (2.2lb). ŽŵƉĂĐƚƌƵŐŐĞĚŝŵƉĂĐƚƉůĂƐƟĐŝŶũĞĐƟŽŶĐĂƐĞ͘ WůĂƐƟĐůĞŶƐ͘ D ŝƌƌŽƌ type reflector. This stroboscope/tachometer employs a one-chip microcomputer LSI Xenon lamp. Xenon white 6,500 K°. Approximately 60 to 100 microseconds. ϰǁ ĂƩ Ɛ-seconds (joules). &ŽƌƉƌŽůŽŶŐĞĚůŝĨĞĂŶĚƐĂĨĞŽƉĞƌĂƟŽŶ͕ ĂĚŚĞƌĞƚŽƚŚĞĨŽůůŽǁ ŝŶŐĚƵƚLJĐLJĐůĞ͗ Below 2,000 RPM - 30 minutes. Above 3,600 RPM - 5 minutes. Always allow a 10 minute cooling off period between cycles. 80°. FAR070/0314. DT2239-2 - STROBOSCOPE/TACHOMETER FARNELL ORDER # 908-230