Iso-Tech IIT 1500 - Page 7

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IIT 1500 English
SECTION 3 - SPECIFICATIONS
General Specications
Maximum voltage applied to any terminal: 600 V ac rms or dc.
Display: 4000 counts.
Polarity Indication: Automatic, positive implied, negative indicated.
Overrange Indication: OL
Batteries Life (new batteries at room temperature):
Resistance Measurements: Minimum of 2600 earth-bond resistance
measurements: standard tests of 1Ω with a duty cycle of 5 seconds on and 25
seconds off.
Insulation test: M inimum of 1100 insulation tests: standard tests of 1 MΩ at
1000 V with a duty cycle of 5 seconds on and 25 seconds off.
Low Batteries Indication: “<” is displayed when the batteries voltage drops
below operating voltage.
Low battery voltage: Approx. 4.5V
Auto Power Off: Approx 20 minutes.
Operating Ambient Temperature:
≤10°C Non-condensing
11°C ~ 30°C (≤ 80% RH)
30°C ~ 40°C (≤ 75% RH)
40°C ~ 50°C (≤ 45%RH)
Storage Temperature: -20°C to 60°C, 0 to 80% RH (batteries not tted)
Temperature Coefcient: 0.15 x (Spec.Accy)/°C, < 18°C or > 28°C .
Measurement Rate: Samples 2 times per second nominal.
Maximum Altitude: 2000 metres
Installation Category: Complies with EN61010-1, UL61010-1,
IEC 61010-1: CAT IV 600V
Pollution degree: 2