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| Country of Origin | China |
|---|---|
| Package Contents | CEM DT-9121 Electrical Tester / Batteries / Instruction Manual / Test Certificate |
| Power Consumption | Max.30mA / Approx.250mW |
| Frequency range | 50/60Hz |
| Brand | CEM |
| Power Supply | 2x1.5V “AAA” Batteries |
| Response time | Less than 0.1s LED |
| Humidity | Max.85% RH |
| Temperature range | -10°C~+55°C |
| Recovery time | 10 min |
| Model | DT-9121 |
| Operation Time | EDequal to 30s |
| Tolerances | -30% to 0% of reading |
| Measurement Principle | Double-pole and contact electrode |
| Test Current | 5µA |
| Voltage detection | Automatic |
| Peak Current | 1s Less than 0.2A / 5s Less than 3.5mA |
| LED Voltage Range | 12/24/36/50/120/230/400/690VDC and 12/24/36/50/120/230/400/690VAC |
| LED Resolution | ±12/24/36/50/120/230/400/690VDC and 12/24/36/50/120/230/400/690VAC |
| Polarity Detection | Full range |
| Range Detection | Automatic |
| ACV Frequency Range | 50/60Hz |
| Automatic Load (RCD) | Yes |
| Internal Basic Load | Approx.2.1W at 600V |
| LED On | About 8V AC/DC |
| Single-Pole Phase Test Voltage Range | 100~690V AC |
| Continuity Test Resistance Range | Less than 300kΩ |
| Overvoltage Protection | 690VAC/DC |
| Rotary Field Indication Voltage Range (LEDs) | 100~400V |
| Self-Check Test | Auto test |
| Overvoltage Class | CAT III 1000V |
CEM Electrical Tester DT-9121 is a multifunctional diagnostic device that measures voltage, resistance, and continuity in electrical systems. Designed for professional electricians and engineers, it provides accurate readings through a clear digital display. Built to withstand rugged environments, it ensures dependable results for installation verification, maintenance, and troubleshooting. Compact and portable, it enhances productivity and safety in every electrical inspection.
Available on EnvMart, these Electrical Tester are ideal for checking voltage, continuity, and wiring conditions with precision. CEM Electrical Tester offer dependable performance, ergonomic design, and advanced safety features for professional electricians and technicians.
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Shop with confidence knowing that our 24/7 Customer Support is always available to assist with any inquiries

Avail maximum benefits from input tax mechanism on all your Business Invoices. Get GST Invoices on your business purchases. And 0% Taxes on all worldwide deliveries

If you find this product anywhere at lower cost than us. Call us and we will not only match the price but also give a complimentary coupon

Shop with assurance, as each product we offer is 100% original, ensuring quality and authenticity with every purchase
| Country of Origin | China |
|---|---|
| Package Contents | CEM DT-9121 Electrical Tester / Batteries / Instruction Manual / Test Certificate |
| Power Consumption | Max.30mA / Approx.250mW |
| Frequency range | 50/60Hz |
| Brand | CEM |
| Power Supply | 2x1.5V “AAA” Batteries |
| Response time | Less than 0.1s LED |
| Humidity | Max.85% RH |
| Temperature range | -10°C~+55°C |
| Recovery time | 10 min |
| Model | DT-9121 |
| Operation Time | EDequal to 30s |
| Tolerances | -30% to 0% of reading |
| Measurement Principle | Double-pole and contact electrode |
| Test Current | 5µA |
| Voltage detection | Automatic |
| Peak Current | 1s Less than 0.2A / 5s Less than 3.5mA |
| LED Voltage Range | 12/24/36/50/120/230/400/690VDC and 12/24/36/50/120/230/400/690VAC |
| LED Resolution | ±12/24/36/50/120/230/400/690VDC and 12/24/36/50/120/230/400/690VAC |
| Polarity Detection | Full range |
| Range Detection | Automatic |
| ACV Frequency Range | 50/60Hz |
| Automatic Load (RCD) | Yes |
| Internal Basic Load | Approx.2.1W at 600V |
| LED On | About 8V AC/DC |
| Single-Pole Phase Test Voltage Range | 100~690V AC |
| Continuity Test Resistance Range | Less than 300kΩ |
| Overvoltage Protection | 690VAC/DC |
| Rotary Field Indication Voltage Range (LEDs) | 100~400V |
| Self-Check Test | Auto test |
| Overvoltage Class | CAT III 1000V |
CEM Electrical Tester DT-9121 is a multifunctional diagnostic device that measures voltage, resistance, and continuity in electrical systems. Designed for professional electricians and engineers, it provides accurate readings through a clear digital display. Built to withstand rugged environments, it ensures dependable results for installation verification, maintenance, and troubleshooting. Compact and portable, it enhances productivity and safety in every electrical inspection.
Available on EnvMart, these Electrical Tester are ideal for checking voltage, continuity, and wiring conditions with precision. CEM Electrical Tester offer dependable performance, ergonomic design, and advanced safety features for professional electricians and technicians.
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