User’s Manual MiniTecTM Series Model MN26 (Model MN26T includes temperature probe) Mini Autoranging MultiMeter
Introduction Congratulations on your purchase of Extech’s MN26 Autoranging Multimeter. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Duty Cycle, Temperature, Diode Test and Continuity. Proper use and care of this meter will provide many years of reliable service. Safety International Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information.
Function AC Current (A AC) (40 - 400Hz) (40 - 200Hz for 400µA, 4mA ranges) Resistance Capacitance Frequency Duty Cycle Temp °F Temp °C Range 400µA 4000µA 40mA 400mA 10A Resolution 0.1µA 1µA 0.01mA 0.1mA 0.01A Accuracy ±(1.8% reading + 5 digits) ±(3.0% reading + 7 digits) 400Ω 0.1Ω ±(1.2% reading + 4 digits) ±(1.2% reading + 2 digits) 4kΩ 0.001kΩ 40kΩ 0.01kΩ 400kΩ 0.1kΩ 4MΩ 0.001MΩ 40MΩ 0.01MΩ ±(2.0% reading + 3 digits) 4nF 0.001nF ±(5.0% reading + 10digits) 40nF 0.01nF ±(5.
Diode Test Continuity Check Input Impedance Display Overrange indication Polarity Measurement Rate Auto Power Off Low Battery Indication Batteries Fuses Operating Temperature Storage Temperature Relative Humidity Operating Altitude Weight Size Safety Test current of 0.3mA maximum, open circuit voltage 1.5V DC typical Audible signal will sound if the resistance is less than approximately 30Ω, test current <0.7mA 7.
Symbols •))) mV, V Ω, kΩ, MΩ uA, mA, A AC (alternating current or voltage) DC (direct current or voltage) Continuity Diode test millivolt, volt (voltage) ohm, kilohm, megohm (resistance) microamp, milliamp, Amp (current) pF, nF, uF Hz kHz % O O F, C AUTO BAT HOLD REL picofarad, nanofarad, microfarad (capacitance) hertz, kilohertz (frequency) % duty cycle Degrees Fahrenheit, Centigrade (temperature) Autorange Low battery Display hold Relative Operating Instructions AC or DC Voltage Measurements 1.
Capacitance Measurements 1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive CAP jack. 2. Turn the rotary switch to the CAP position. 3. Touch the test probes to the circuit or device under test and read the capacitance on the display. Frequency or Duty Cycle Measurements 1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive HZ jack. 2.
Manual Ranging The meter powers on in the autoranging mode. Press the Range key to go to manual ranging. Each press of the range key will step to the next range as indicated by the units and decimal point location. Press and hold the Range key for one second to return to autoranging. Data Hold Press the Data Hold key to freeze the reading in the display. “HOLD” will appear in the LCD. Press the key again to release the display.
Maintenance WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery/fuse cover. WARNING: To avoid electric shock, do not operate your meter until the battery/fuse cover is in place and fastened securely. This Multimeter is designed to provide years of dependable service, if the following care instructions are performed. 1. 2. 3. 4. 5. 6. Keep the meter dry. Use and store the meter in mild ambient conditions.
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 8907440 ext. 210 for authorization or visit our website at www.extech.
Instruction Sheet Model TP870 Type K Bead Wire Thermocouple Probe WARNING: To avoid electric shock, do not probe into or near live electrical circuits with the thermocouple probe.. Sensor Type Type K thermocouple (Chromel – Alumnel) Temperature range -40 to 482 F (-40 to 250 C) o Lead length 39” (1m) Connector subminiature o Note: This probe is not UL listed 10 MN26T V4.
