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MODEL 308 MINI DUAL CHANNEL THERMOMETER
1
1.0 Introduction:
This instrument is a dual channel digital thermometer for use with any Type K
thermocouple as a temperature sensor. Temperature indication complies with the
NIST and IEC584 temperature/voltage tables for Type K thermocouples.
2.0 Specifications:
Measurement Range: -200°C - 1370°C -328°F - 2498°F
Accuracy: (At ambient of 23 ± 5°C)
Temperature Coefficient:
For ambient temperatures from
0°C - 18°C and 28°C - 50°C, for
each °C ambient below 18°C or
above 28°C add the following
tolerance into the accuracy spec.
0.01% of reading + 0.03°C
(0.01% of reading + 0.06°F)
Note:
The basic accuracy specification does not include the error of the probe. Please refer to the
probe accuracy specification for additional details.
Resolution: -200°C - 200°C
0.1°C; 800°C -1370°C 1°C
-200°F - 200°F 0.1°F; outside this range 1°F
Number of Sensor Inputs: Two Type K Thermocouples
Input Protection at Thermocouple Input: 60V DC or 24Vrms AC
Display: Dual 4 Digit Temperature Displays plus Indicators, see Section 3.0.
Sample Rate: 0.6 times per second
Power Requirement: 9 Volt Battery, NEDA 1604 or JIS 006P or IEC6F22
Battery Life: Approx. 150 hours with alkaline battery. Low battery indication.
Operating Conditions:
x Operating Temperature - Humidity: 0°C - 50°C (32°F - 122°F); 0 - 80% RH
x Storage Temperature - Humidity: -10°C - 60°C (14°F - 140°F); 0 - 80% RH
x Altitude up to 2000 meters (6500 feet)
Dimensions: 164×54×34 mm (6.5×2.1×1.3 in)
Weight: Approx. 180g (6.3 oz)
Accessories: Type K Wire Thermocouple Probe, Battery, Instruction Manual
Range Accuracy
-200°C - 200°C ±(0.3% reading + 1°C)
200°C - 400°C ±(0.5% reading + 1°C)
400°C-1370°C ±(0.3% reading + 1°C)
-328°F - -400°F ±(0.5% reading + 2°F)
-200°F - 200°F ±(0.3% reading + 2°F)
200°F - 400°F ±(0.5% reading + 2°F)
400°F - 2498°F ±(0.3% reading + 2°F)
Notes