Introduction
The DT-6650 is a rugged multifunction installation tester with 3.5” TFT colour LCD display; provides insulation resistance, earth resistance, loop impedance, voltage, RCD, PFG and PSC testing.
The DT-6650 is a rugged multifunction installation tester with 3.5” TFT colour LCD display; provides insulation resistance, earth resistance, loop impedance, voltage, RCD, PFG and PSC testing.
3.5” TFT Colour display
Fast high current loop test
Variable RCD current mode for customized settings
PASS/FAIL indication for RCD tests
Select voltage measurement between L-N, L-PE and N-PE
Support SD memory and USB and Blue tooth interface
Internal Memory
Safe Earth Volt Touchpad detects raised earth voltages >50V indicating potentially dangerous situations
| Power Source | 12V DC (8 x 1.5V AA Size Alkaline batteries) |
| Battery Life | Average of 15hours |
| CAT Rating | CAT III 600V |
| Protection Classification | Double Insulation |
| Protection Rating | IP65 |
| LCD Display | 320×240 dot matrix |
| Operating Temp | 0°C~ 45°C |
| Relative Humidity | 95% (10°C~ 30°C) Non-condensing 75% (30°C~ 40°C) Non-condensing |
| Storing Temp | -10°C~ 60°C |
| Operating Altitude | 2000m |
| Protective device | 500mA Fast response BS 88 Fuse |
| Dimensions | 10.5cm(L) x 22.5cm(W) x 13cm(H) |
| Weight | 1.56kg |
LOOP Resistance L- PE (Hi-Amp)
| Range (W) | Resolution(W) | Accuracy |
| 0.23 – 9.99 | 0.01 |
±(4% of reading + 4 digits) |
| 10.0 – 99.9 | 0.1 | |
| 100 – 999 | 1 |
Measuring Current : 4.0 A
Range of the Voltage Used : 195V AC – 260V AC (50,60Hz)
| Range (W) | Resolution(W) | Accuracy |
| 0.23 – 9.99 | 0.01 |
±(5% of reading + 6 digits) |
| 10.0 – 99.9 | 0.1 | |
| 100 – 999 | 1 |
Measuring Current : < 15mA
Range of the Voltage Used : 195V AC – 260V AC (50,60Hz)
| Range (W) | Resolution(W) | Accuracy |
| 0.23 – 9.99 | 0.01 |
±(4% of reading + 4 digits) |
| 10.0 – 99.9 | 0.1 | |
| 100 – 999 | 1 |
Measuring Current : 4.0 A
Range of the Voltage Used : 195V AC – 260V AC (50,60Hz)
Rcd Rating (I_n) :10mA, 30mA, 100mA, 300mA, 500mA and 1A. Test current : x1/2, x1, x2 and x5
Accuracy at applied test current
| Test current | Accuracy |
| x1/2 | ±(1% of reading+ 1 digits) |
| x1 | ±(1% of reading+ 1 digits) |
| x2 | ±(1% of reading+ 1 digits) |
| X5 | ±(1% of reading+ 1 digits) |
Form of the Test Current : Sine wave form (AC), Pulse wave form (DC)
RCD Form : General (G – non-delayed), Selective (S – time-delayed)
Initial Polarity of the Test Current : 0°, 180°
Voltage Range : 195V AC – 260V AC (50Hz,60Hz)
Accuracy of the Timing of the RCD : ± (10% of reading + 1 digits)
Resolution of the RCD Timing : 0.1ms
| Measurement Range (V) / AC-DC | Resolution (V) | Accuracy |
| 80 – 500 | 1 | ±(2% of reading + 2digits) |
| Measurement Range (Hz) | Resolution (Hz) | Accuracy |
| 45 – 65 | 1 | ±2Hz |
INSULATION RESISTANCE:
| Terminal Voltage | Range | Resolution | Accuracy | Test Current | Short circuit current |
|
125V(0%~+10%) |
0.125~4.000 MW | 0.001MW | ±(2%+10) |
1mA @load125kW |
£1mA |
| 4.001~40.00 MW | 0.01MW | ±(2%+10) | |||
| 40.01~400.0 MW | 0.1MW | ±(4%+5) | |||
| 400.1~1000 MW | 1MW | ±(5%+5) | |||
|
250V (0%~+10%) |
0.250~4.000 MW | 0.001MW | ±(2%+10) |
1mA @load250kW |
£1mA |
| 4.001~40.00 MW | 0.01MW | ±(2%+10) | |||
| 40.01~400.0 MW | 0.1MW | ±(3%+2) | |||
| 400.1~1000 MW | 1MW | ±(3%+2) | |||
|
500V(0%~+10%) |
0.500~4.000 MW | 0.001MW | ±(2%+10) |
1mA @load500kW |
£1mA |
| 4.001~40.00 MW | 0.01MW | ±(2%+10) | |||
| 40.01~400.0 MW | 0.1MW | ±(3%+2) | |||
| 400.1~1000 MW | 1MW | ±(4%+5) | |||
|
1000V (0%~+10%) |
1.000~4.000 MW | 0.001MW | ±(3%+10) |
1mA @load1MW |
£1mA |
| 4.001~40.00 MW | 0.01MW | ±(2%+10) | |||
| 40.01~400.0 MW | 0.1MW | ±(3%+2) | |||
| 400.1~1000 MW | 1MW | ±(4%+5) |
Low Ohm
| Range | Resolution | Accuracy |
| 0.00~99.99W | 0.01W | +(2%+30d) |
| 100.0~999.9W | 0.1W | +(2%+6d) |
| 1000~2000W | 1W |
Earth Resistance:
| Range | Resolution | Accuracy | Max. open Circuit Voltage | Overload Protection |
| 0.000~2.000W | 0.001W | +(1.5%+30) |
5.0V |
250Vrms |
| 2.00~20.00W | 0.01W |
+(1.5%+3) |
||
| 20.0 ~200.0W | 0.1W | |||
| 200 ~2000W | 1W | +(1.5%+5) |
It is designed with an in-built software system and ensures that the safety of electrical installations in domestic, commercial and industrial applications.
DT-6650 can ensure that fixed wiring is safe and correctly installed. It’s fast sampling and dual display, clear symbols and exceptionally wide viewing angle provides easy and safe readings.
ACCESSORIES:
Carrying Case, Test Leads, Test Cut, Instruction Manual, Battery, Test Certificate