SEW 890 PR Non-Contact Type Phase Sequence Indicators
Category
Phase Detector (RST)
Type
SEW 890 PR
Description
FEATURES
● The 890 PR is a Non-Contact phase detector with flashing LEDs and a beeping buzzer to show the detection of AC 3-phase sequence. ● Two functions in one unit : open phase and phase sequence detection. ● Convenient brightness switch to make the indication visible in dim areas or sunlight. ● Back cover magnets which attach the instrument to the AC distribution panel offer easy measurement. ● 3-Phase AC 70 to 1000V is fitted for detection.
● Conductor size: 1~35mm ● Detect frequency range is from 45 to 65Hz.
SPECIFICATIONS
Measurement principle
Static induction
Input voltage
70~1000Vac
Frequency range
45-65Hz
Auto-off
5 min. after power on without detection
Low battery warning
Power LED flashes at 4.6±0.1V or less
Operating temperature & humidity
0°C ~ 40°C Max. 80% R.H.
Storage temperature & humidity
-10°C ~ 50°C Max. 80% R.H.
Cable length
Approx. 800mm
Dimensions
115(L) × 65(W) × 40(D)mm
Weight (battery included)
Approx. 370g
Power source
1.5V (AA) × 4 Alkaline batteries
Safety standard
EN 61010-1 CAT III 1000V / CAT IV 600V EN 61326-1 EN 61557-1 EN 61557-7