10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110 • [email protected]
5
GENERAL INFORMATION
•
MODEL 855:
SENSOR SELECTION:
K, J, T, E, N, B, R, S, G, C, D Thermocouples
100
Ω
/1000
Ω
Platinum RTD
1,000
Ω
/10,000
Ω
Resistance
ACCURACY:
(18°C to 28°C ambient, 2 years):
K, J, T, E, N;
± 0.5°F (rdg
≥
-50°F)
±1.0°F (rdg < -50°F)
B, R, S, G, C, D;
±1.7°F
RTD;
±0.2°F (rdg
≥
- 50°F) (Calibrator Mode)
±0.5°F (rdg < - 50°F) (Calibrator Mode)
±0.2°F ±0.04% rdg
(rdg ≥
-50°F) (meter mode)
±0.5°F ±0.04% rdg (rdg < -50°F) (meter mode)
OHMS;
±0.02% range
TEMPERATURE COEFFICIENT
: From 0°C to 18°C, and 28°C to 50°C;
K, J, T, E, N;
±(0.002% rdg + 0.03°C)/°C
B, R, S, G, C, D;
±(0.002% rdg + 0.1°C)/°C
RTD, OHMS;
±(0.002% rdg + 0.004% rng)/°C
RAMP FUNCTION:
Included.
FEATURES
•Combination calibrator, thermometer and datalogger.
•Function selection and numeric data entered via 12 keyswitch color coded keypad.
•Keyswitches have tactile feedback.
•5 digit LCD includes annunciators for operating modes.
•Up to 11 thermocouple types, 2 RTD types, and thermistor.
•1° or 0.1° resolution over temperature range of each sensor.
•°F and °C scales.
•Reading hold mode.
•10 memory locations for saving meter readings and/or calibrator outputs.
•Step mode for quick sequential recall of calibrator outputs from memory.
•Manual/automatic ramping for testing controller setpoints.
•Conforms to ITS-90 thermocouple & RTD tables. Refer to 'Service Information' (page 23) for
more information.
•Dust proof, splash proof, drop proof construction.
•Built-in tilt stand/hanger for bench use or hands free field measurements.
•User friendly programming.
•Retains data and programming, even when turned off.
•Performs diagnostic tests and indicates fault conditions.
•Low battery and open sensor indications.
MANUAL ADDENDA
Improvements or changes to this manual will be explained on an addendum included with the
instrument. All change information should be incorporated immediately into the appropriate
places in the manual.