407907 Datasheet, PDF (2/4 Pages) Extech Instruments Corporation. – RTD Thermometer

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 [phone] ext. 210 for
authorization or visit our website at www.extech.com (click on Contact Extech and go to Service
Department to request an RA number). A Return Authorization (RA) number must be issued before
any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance
and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting
from action of the user such as misuse, improper wiring, operation outside of specification, improper
maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied
warranties or merchantability or fitness for a specific purpose and will not be liable for any direct,
indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement
of the product. The warranty set forth above is inclusive and no other warranty, whether written or
oral, is expressed or implied.
Specifications
General Specifications
Display
4-1/2 digit (20,000 count) LCD display with over-range
and low battery indication
Measurement
Temperature (selectable °C & °F units)
Data Hold
Freezes displayed reading
RTD Probes (sold separately) 4-wire platinum 100Ω RTD;
0.00385 alpha coefficient (meet DIN IEC 751)
RTD probe jack
Proprietary 4 pin circular connector
(uses Extech RTD probes – sold separately)
Sampling Time
Approximately 0.4 seconds
Memory record/recall
Meter stores Maximum and Minimum readings
Data Output
RS-232 PC Interface
Operating conditions
Temperature: 32°F to 122°F (0°C to 50°C); RH: < 80%
Power Supply
9V battery
Power consumption
15 mA DC (approx.)
Weight
Dimensions
0.62 lbs. (285g)
7.1 x 2.8 x 1.3” (180 x 72 x 32 mm)
Range Specifications
Temperature Ranges
o_{F -199.99}o _{to 392.00}o _F
392.0^o to 1562.0^oF
o_{C -199.99}o _{to 199.00}o_C
200.0^o to 850.0^oC
Resolution
0.01^o F
0.1^o F
0.01^o C
0.1^o C
Accuracy (% of reading)
± (0.1% + 0.4^oF) *
± (0.1% + 0.2^oC) *
* Probe accuracy is additional
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Model 407907 V 1.3 01/06