Page 35 of 49
TTI-22 Iss.04– 11/15
A.3
General Instrument Data
Measuring current (IDC):
0.5 mA
Measuring current (Ieff):
Normal operation:
0.41 mA
During self-heating test:
0.29 mA
29
,
0
2
41
.
0
Self-heating test on:
Measuring current/÷2
Measuring time:
1.44 seconds
(complete, for both channels)
Internal reference resistor:
Producer, type:
VISHAY, VHP 101
Temperature coefficient:
< 0.3 ppm/°C (+15 to +25 °C)
Stability without strain
(producer information):
5 ppm max. dR after 1 year
10 ppm max. dR after 3 years
Display:
Liquid Crystal Display, graphic, with LED backlight 128 64
points (approx. 6.5 * 3.5 cm)
Keyboard:
20 keys
Number of sensor inlets (channels): 2
Sensor connections:
two Lemos sockets size 1S304, four-pole
Data outlets:
RS232 D (9-pole D-Sub outlet)
LAN/Ethernet (RJ 45 plug)
Ambient conditions:
0 -35 °C,
no direct exposure to sunlight
< 90% air humidity, non-condensing
Warm-up time:
60 minutes
Power supply:
Batteries/rechargeables:
2x 1.2-1.5 V AA
or power adapter (Mat. No. 43768):
Input: AC 100 - 240 V, 50 - 60 Hz, 2 W
Output: DC 7.5 V, 250 mA
Dimensions (L x W x H):
240 x 190 x 110 mm
(without handle)
Weight
approx. 2 kg
