Stray Voltage DetectionYes (by low-impedance load switching)
GFI Trippingup to 30mA
Phase/Neutral IdentificationAbove 50V (45 to 65Hz); Above 150V (16.67 to 45Hz)
CONTINUITY & RESISTANCE
Buzzer Trigger Threshold100Ω typical (150Ω max.)
Extended Continuity Test
(Resistance)
Test Current/
Open-circuit Voltage
Phase Rotation2-wire method with microprocessor
Ph/Ph Voltage50V ≤ U ≤ 1000V
BuzzerIntermittent beep for Voltage Detection
Standards & Electrical SafetyIEC 61243-3, EN 61243-3, IEC 61010 1000V CAT IV
Operating Temperatures-25.6° to 140°F
Power Source2 x AA batteries (included) or NiMH batteries
EnvironmentStorage: -40° to 158°F (-40° to 70°C)Dimensions/Weight7.72 x 3.54 x 1.85" (196 x 90 x 47.1mm) / 570g
The ELV (Extra-Low Voltage) LED indicates that the voltage
(Safety Ex tra-Low Voltage) with the rate at which it flashes
(-30° to 60°C) (Class S)
ac ≤ U ≤ 1000Vac; 12Vdc ≤ U ≤ 1400Vdc
12 to 1400Vdc
is higher than the SELV
proportional to the voltage level
2kΩ, 60kΩ, 300kΩ0.5Ω to 2999kΩ
≤ 1mA / ≤ 3.3V
ac (45 to 400Hz)
Continuous beep for continuity
5° to 113°F
(-15° to 45°C) (Class N)
PRODUCT INCLUDES
2 x 1.5V LR06/AA batteries, velcro strap, set of
removable test probes Ø 2mm with crystal safety
cover, probe-tip protection, and user manual in
5 languages.
CATALOG NO.DESCRIPTION
2121.14Voltage Tester Model C.A 771
2121.15Voltage Tester Model C.A 773
59
ELECTRICAL TEST TOOLS
TACHOMETERS
C.A & C.A
Simple to use and offers numerous measurement
capabilities with or without contact
SPECIFICATIONS
MODELSC.A & C.A
MEASUREMENTS
Rotational Speed
Function
Linear Speed
Function
Frequency
Function
Period Function
Duty Cycle
Function
Count function
GENERAL
Power Source
Battery life
Data Storage
Dimensions
Weight
Weatherproofing
Environment
SENSOR
Optical
Mechanical
Resolution: 0.0006 to 6m/min depending on range
±0.2% of scale from 50 to 125Hz / ±1% of scale otherwise
Measurement distance: 0.4 x 19.7" (1 to 50cm). The maximum distance is given for a reflective adhesive strip
Measurement angle: ±15° in relation to the perpendicular of the reflective surface.
Mechanical adapter: End-fittings: elastomer with a durometer hardness of 80
Pressure on moving part: between 2 and 40N; maximum speed: 10,000rpm
Service life: approx. 1000 hours at 3000rpm wi th a pressure of 20N
Conical end-fitting accessory: Minimum diameter of measurement shaft: 0.2" (5mm)
Cylindrical end-fitting accessory: Spee d measurements on shafts with a diameter greater than 0.2" (5mm)
End-fitting accessory with wheel; Wheel diameter : 1.19" (30.183mm);
Wheel development: 3.94" ±0.004" (10cm ±0.1mm)
Range: 6 to 100,000rpm
Resolution: 0.0006 to 6rpm depending on range
Accuracy: ±1x10-4 of Reading ±6 counts
Range: 0.1 to 10,000m/min or ft/min
Accuracy: ±1x10-4 of Reading ±1 increment
Resolution: 0.0004 to 0.4Hz depending on range
Resolution: 0.0003 to 0.3ms depending on range
250 x 5 min measurements with optical sensor;
600 x 5 min measurements with external sensor
Range: 0.1 to 10,000Hz
Accuracy: ±4x10-5 of Reading ±4 counts
Range: 0.1 to 10,000ms
Accuracy: ±1x10-4 of Reading ±5 counts
Range: 10 to 10,000%
Resolution: 0.1 to 1% depending on range
Accuracy: ±0.1% of scale from 0.2 to 50Hz
9V battery Alkaline (included)
4000 measurements (Model C.A 1727 )
8.5 x 2.83 x 1.85" (216 x 72 x 47mm)
8.8oz (250g)
Storage: -4 to +158°F (-20 to +70°C) 95% RH;
Operation: 32 to 131°F (0 to 55°C) 90% RH
Reflective area: 10 to 90% of the target area.
with a minimum area of 10cm2.
IP51
or flat-ended shafts
IP
51
FEATURES
• Measurements up to 100,000 RPM
• Multiple functions and automatic
routines for data acquisition and
storage: measurement of rotational
speed, linear speed, count,
frequency and period
• Extensive programming possibilities
• Digital display with analog bargraph
• USB interface for processing results
on a PC (Model C.A 1727)
• Includes TachoGraph software on
CD-ROM (Model C.A 1727)
download memory only
• Stores up to 4000 measurements
results (Model C.A 1727)
ACCESSORIES
MECHANICAL ACCESSORIES KIT
Mechanical adapter, calibrated wheel, conical
end fitting and cylindrical end fitting
Catalog #1749.02
PRODUCT INCLUDES
Hard case, FRB F connector, 9V battery, set of fifteen reflective strips, quick start guide and user manual.
The Model C.A 1727 also includes a USB cable and TachoGraph software.
CATALOG NO.DESCRIPTION
174 8.10Tachometer Model C.A 1725
174 8. 30Tachometer Model C.A 1727
174 9.02Mechanical accessories kit
60
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