Raytek GP Data sheet
RAYTEK®THERMALERT®GP™MONITORING SYSTEM
COMPACT AND EASY TO INSTALL: INFRARED TEMPERATURE MONITORING SYSTEM
V014.1
Raytek’s compact temperature monitoring systems are easy to both install and to integrate into an existing process control system.
The centerpiece of this system is the 1/8 DIN Thermalert GP Monitor which provides a standard interface for Raytek sensing heads
including the Thermalert GPR or GPM. If a separate monitor is not required, the two-piece Thermalert MID sensor, or the integrated
Thermalert CI sensor, provides compact solutions to infrared temperature monitoring.
When panel space is tight, the GP 1/8 DIN monitor gives you the benefits of non-contact infrared temperature measurement with no
reduction in accuracy. Combined with the GPR or GPM sensing heads, the GP monitor system provides on-going temperature readings with a superior 1% accuracy. Adjustable offset and two adjustable setpoints with alarm outputs for tight process control are features used in the GP system along with being able to configure all monitor and sensor functions from the front panel. The large,
4-digit, easy-to-read display assists in taking readings at a glance.
This versatile GP system allows for the configuration of an infrared temperature monitoring system that best matches the application.
If the sensor head is located near the measurement target, or the target is large, the GPM or CI is appropriate. If the measurement
spot is small, or the sensor must be located further from the target, the GPR with 35:1 optics is required. The GP sensing heads range
from the small to the miniature allowing you to place sensors anywhere. With the prices as low as they are, enhanced monitoring
coverage can be accomplished by installing these sensors at multiple points throughout the process.
As a low maintenance solution for thermocouples, the Thermalert MID or CI may fit the bill. The two-piece MID system with miniature
sensing head and separate electronics, features adjustable Emissivity and selectable Peak Hold, Valley Hold and Averaging. The CI is a
compact, integrated unit with the same output impedance as a thermocouple. It functions without error when used in tandem with
the thermocouple break-protection circuitry in most controllers, displays and transmitters. Both the MID and the CI are encased in
rugged housings which ensure continuous, long-term performance in environments with high ambient temperatures.
• Accepts several inputs
Any 0-5V or 4-20 mA sensor input and
type J, K, E, N, R, S and T thermocouple inputs
• User-defined output
4-20 mA or type J, K, E, N, R, S and T thermocouple
• Compact 1/8 DIN monitor
• Large 4-digit LED display
• Universal 110/220 VAC power
• Provides 24 VDC/50 mA excitation voltage
• Adjustable dual setpoints and
deadband controlling alarm outputs
• Signal processing
Peak Hold, Valley Hold, Averaging
• User-adjustable offset
• External reset input
ENVIRONMENTAL RATING GP Front Panel IP54 (IEC529), NEMA-12
AMBIENT TEMPERATURE RANGE -22 to 150°F (-30 to65°C)
STORAGE TEMPERATURE 32 to 122°F (0 to 50°C)
GP MONITOR DIMENSIONS 1.75 x 3.63 x 4.75 in (1/8 DIN x 120 mm)
GP MONITOR WEIGHT 0.7 lbs. (320g)
INPUT RESOLUTION ACCURACY
0-5V 1 mV ±2 mV
4-20 MA 0.01 mA ±0.02 mA
J, K, E, N, T THERMOCOUPLE ±0.05% or ±4°F (±2°C), whichever is greater
R, S THERMOCOUPLE ±0.5% or ±6°F (±3°C), whichever is greater
OUTPUT RESOLUTION ACCURACY
4-20 MA 0.014 mA ±0.02 mA
J, K, E, N, T THERMOCOUPLE ±0.05% or ±4°F (±2°C), whichever is greater
R, S THERMOCOUPLE ±0.5% or ±7°F (±4°C), whichever is greater
SYSTEM REPEATABILITY ±0.5% of measured value
RESPONSE TIME (95%) 500 mSec
WARMUP TIME 5 Seconds
SIGNAL PROCESSING
PEAK HOLD AND VALLEY HOLD Up to 998 sec (999 = infinite hold with external reset)
VARIABLE AVERAGING FILTER up to 60 seconds
INPUTS User-configurable inputs for 0-5V or 4-20 mA or J, K, E, N,R,S, T Thermocouple
External reset input to reset Peak/Valley Hold circuit
OUTPUTS 4-digit, 7-segment LED display, °F/°C selectable
User-configurable 4-20 mA current or thermocouple output (J, K, E, N,R,S, T)
Two adjustable setpoints with deadbands controlling 5V alarm outputs or
optional 3A mechanical relays
24 VDC/50 mA excitation voltage for powering external sensors
POWER SUPPLY 110/220 VAC, ±20%, 50-60 Hz
SOLID STATE RELAY (ACCESSORY) External isolated solid state relays for alarm outputs (10 amp AC, 8 amp DC)
SPECIFICATIONS
ISO 9001
Certified
V022608
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