TENMARS ELECTRONICS
TENMARS ELECTRONICS TM-194 microwave leakage detector 50MHz-3.5GHz electrician tool
Measures microwave and RF leakage from 50 MHz to 3.5 GHz with 0.001 mW/cm² resolution, data hold, min/max capture and audible alarm in a 170 g handheld unit
- TypeTest Equipment
- Color/FinishRed
- Item Count1 pack
- Selling UnitBox
- Parts3 Years
- Labor1 Year
- Measures 50 MHz to 3.5 GHz for broad RF surveys
- Detects microwave leakage at 2.45 GHz for oven safety checks
- LCD shows 0.001 mW/cm² resolution down to .01 mW/cm²
- Data hold, max/min capture and zero function simplify field readings
- Built-in alarm and overload indication flag hazardous levels instantly
Microwave leakage detector for safety checks
The TENMARS TM-194 measures RF power density from 0.01 to 2.700 mW/cm² across 50 MHz to 3.5 GHz. It targets the 2.45 GHz microwave oven band and broader emissions from welding gear. A 3¾-digit LCD shows readings up to 3999 with 0.001 mW/cm² resolution. Accuracy is ±2 dB at 2.45 GHz ± 50 MHz.
Replaces guesswork and basic single-band testers
This unit adds a wide 50 MHz to 3.5 GHz range alongside the dedicated microwave frequency. Data hold, MAX and MIN capture, zero function and a built-in alarm setting speed up pass-fail decisions. Overload shows OL on the display. Sampling runs at 2.5 times per second. It suits technicians who need both oven leakage checks and general RF survey capability in one handheld device.
Verify power source and environment before use
The meter requires a 9 V battery (NEDA 1604, IEC 6F22 or JIS 006P) which is not included; expect roughly 100 hours of operation. Operating limits are 5 to 40 °C below 80 % RH; storage spans -10 to 60 °C below 70 % RH. The single-axis sensor means orientation affects readings. Dimensions are 130 × 56 × 38 mm and weight is about 170 g. A carrying case and manual are supplied.
Highlights
- Measures 50 MHz to 3.5 GHz for broad RF surveys
- Detects microwave leakage at 2.45 GHz for oven safety checks
- LCD shows 0.001 mW/cm² resolution down to .01 mW/cm²
- Data hold, max/min capture and zero function simplify field readings
- Built-in alarm and overload indication flag hazardous levels instantly
Specifications
| Brand | TENMARS |
|---|---|
| Model | TM-194 |
| Type | Test Equipment |
| Color/Finish | Red |
| Item Count | 1 pack |
| Selling Unit | Box |
| Parts | 3 Years |
| Labor | 1 Year |
Questions about this item
What are the exact dimensions I need to allow for the TM-194 to fit in a tool bag?
The unit measures 130 mm long, 56 mm wide and 38 mm high, and weighs about 170 g without a battery.
What is the first step when putting the TM-194 into service, and what do people forget?
Install a 9 V NEDA 1604, IEC 6F22 or JIS 006P battery; the meter ships without one, so it will not power on until the cell is fitted.
How often will I need to replace the 9 V cell in the TM-194 during regular use?
The specified battery life is approximately 100 hours of continuous operation; swap the cell when the low-battery indicator appears on the LCD.
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