Digital Tachometer Stroboscope from Check-Line

Digital Tachometer Stroboscope

DT-311A
(115 v AC or 230 V AC)

DT-315A
(Internal battery, 12 V DC or AC Adapter )
Unit can be operated on AC power, using the supplied AC-Adapter, while the battery is being recharged

DT-315AEB
(External battery pack or 12 V DC )
This version permits the end-user to always have a spare, fully-charged battery for uninterrupted service

54-33,000 RPM/FPM

Portable, highly stable and accurate, industrial-quality tools for non-contact RPM measurement, inspection and observation of moving parts by "freezing" or "slowing down" the action.

Features

Highest accuracy and most stable flash rate

Easy-to-read LED display

Easy-to-operate controls

Detachable pistol-grip handle

Provides 12 V DC power for external sensors

Accepts external trigger input and provides synchronizing pulse output

Phase shift for best view and flash photography

Flash rate control

Instant double and half-rate flash selection for error-free reading

Accessories

Specifications

Flash Range	100-30,000 FPM
Accuracy Internal Mode: External Mode:	ą0.01% of reading ą0.01% or ą 1 digit
Drift	ą0.01% per degree C
Update Time Internal Mode: External Mode:	0.2 seconds ą0.01% or ą 1 digit
Output Signal	Synchronous, 400 ľs pulse, 0 to approx. ą 12 V DC 1000 ohms impedance
Display & Rate	Divide or multiply by 2, selectable
Low Battery Indicator	Display shows L's
Operating Temperature	32-104° (0-40°C)
Display	5 digits, 10 mm high, red LED
Flashtube	Xenon, 10 W maximum
Flash Duration	10-30 ľs
Sensor Power Supply	12 VDC ą 0.5V (50ma)
EXTERNAL MODE ONLY
Phase Shift	0 - 359° with 1° resolution or 0 - 333 ms from 200 - 3,000 FPM
Input Signal Req'd for External Triggering	5-24 V P-P (not to exceed 35 V to GND) pulse width 50 ľs minimum, rise time less than 0.2 ms
Input Impedance	10,000 ohms
Model	Power Requirements
DT-311	115 V or 230 V AC (specify), 50/60 Hz, 30 VA
DT-315	115 V AC or 230 V AC Adapter or one (1) hour, internal, rechargeable 12 V battery or external 12 V DC
DT-315EB	Three (3) hour, external, rechareable 12 V DC Power Pack or external 12 V DC
Model	Access. Included	Batt Life (charged)	Full Charge Time	Dimensions	Weight
DT-311	-	N/A	N/A	4.7 x 4.7 x7.2" (120 x 120 x 183mm)	2.6 lbs. (1.2 kg)
DT-315	Internal battery, 12 V DC with 115 V AC or 230 V AC Adapter Charger	1 hour at high flash rate	16 hours	4.7 x 5.6 x 9.7" (120 x 141 x 248 mm)	4.4 lbs. (2 kg)
DT-315EB	External battery pack, 12 V DC, with 115 V AC or 230 V AC Charger & carrying case	3 hour at high flash rate	16 hours	4.7 x 4.7 x7.2" (120 x 120 x 183mm)	4.5 lbs. (2 kg)

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